Claims by Former Controlling Shareholders of Acquired Entity [Member]
The litigation involving claims by former controlling shareholders of LFIN of tax refunds received by the entity.
Claims by former controlling shareholders of LFIN
Commercial Real Estate Other Construction and Land Development Receivable [Member]
Class of financing receivables related to commercial real estate that is for other construction and land development purposes.
Commercial real estate: other construction and land development
Real estate - construction
Amortized cost and estimated fair value by type of investment security
Investment [Table Text Block]
Commercial Real Estate Farmland and Commercial Receivable [Member]
Class of financing receivables related to commercial real estate that is for farmland and commercial purposes.
Commercial real estate: farmland and commercial
Residential First Mortgage Financing Receivable [Member]
Class of financing receivables related to residential receivables secured by real property that has a first (highest) lien on such property in the event of default by the borrower.
Residential: first lien
Residential Second Mortgage Financing Receivable [Member]
Class of financing receivables related to residential receivables secured by real property that has a second (lower or subordinate) lien on such property in the event of default by the borrower.
Residential: junior lien
Investment [Table]
Class of financing receivables related to a location outside of the entity's country of domicile.
Foreign
Foreign Receivables [Member]
Commercial Real Estate Multifamily Receivable [Member]
Class of financing receivables related to commercial real estate that is for multifamily purposes.
Commercial real estate: multifamily
Trust One [Member]
Trust I formed by the entity for the purpose of issuing trust preferred securities.
Trust I
Commercial, financial and agricultural
A loan, whether secured or unsecured, to a company for purposes such as seasonal working capital needs, inventory financing, equipment purchases, agricultural purposes and acquisitions.
Loans Receivable Commercial Financial and Agricultural [Member]
A category of financing receivables considered to have weaknesses which represent a greater degree of risk, warranting "extra attention".
Watch List - Pass
Special Pass [Member]
Amendment Description
Common stock awarded by the entity to 10% shareholders as a form of an incentive compensation under the incentive stock option plan.
Incentive stock options granted to 10% shareholders
Incentive Stock Options to 10 Percent Shareholders [Member]
Amendment Flag
Trust Six [Member]
Trust VI formed by the entity for the purpose of issuing trust preferred securities.
Trust VI
IB Capital Trust VII
Trust Seven [Member]
Trust VII formed by the entity for the purpose of issuing trust preferred securities.
Trust VIII formed by the entity for the purpose of issuing trust preferred securities.
Trust VIII
Trust Eight [Member]
Trust IX
Trust Nine [Member]
Trust IX formed by the entity for the purpose of issuing trust preferred securities.
Trust Eleven [Member]
Trust XI formed by the entity for the purpose of issuing trust preferred securities.
Trust XI
Trust Ten [Member]
Trust X formed by the entity for the purpose of issuing trust preferred securities.
Trust X
Trust Twelve [Member]
Trust XIII formed by the entity for the purpose of issuing trust preferred securities.
Trust XII
Bond Meeting Original Contract Terms [Member]
Bond meeting the original contract terms
Represents the portion of the bond where the underlying residential mortgage had not been meeting the original contract terms for at least 24 months.
Bond not meeting the original contract terms
Bond Not Meeting Original Contract Terms [Member]
Represents the portion of the bond where the underlying residential mortgage had been meeting the original contract terms for at least 24 months.
Document and Entity Information
Interest Expense Other Borrowings
Interest expense incurred during the reporting period on other borrowings not defined elsewhere in the taxonomy. Includes interest expense incurred on both the short-term and long-term borrowings (advances) with the Federal Home Loan Bank and other short term borrowings.
Other borrowings
Savings deposits
Interest Expense Savings and Demand Deposit Accounts
This element represents the Interest expense incurred on all savings and demand deposit accounts.
Other service charges, commissions and fees
Other Service Charges, Commissions and Fees [Abstract]
Banking
Service Charges, Fees and Commissions, Other, Banking
Service charges, fees, and commission's revenue earned from banking operations, other than from deposit accounts.
Other than Temporary Impairment Losses Investment Portion Recognized in Earnings Net
The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of the amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.
Impairment charges, other-than-temporary impairment charges
Accretion of investment securities discounts
Accretion of Discounts Investments
The periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings when the security was purchased at a discount. As a noncash item, this element is an adjustment to net income when calculating cash provided by (used in) operations using the indirect method.
Current Fiscal Year End Date
Award Type [Axis]
Accretion of Time Deposit Discounts
The periodic adjustments of the differences between time deposits' face values and purchase prices that are charged against earnings when the time deposit was purchased as part of an acquisition. As a noncash item, this element is an adjustment to net income when calculating cash provided by (used in) operations using the indirect method.
Accretion of time deposit discounts
Amortization of Investment Securities Premiums
Amortization of investment securities premiums
The periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings when the security was purchased at a premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by (used in) operations using the indirect method.
Cash inflows from other investments. Includes distributions from equity method investments plus other cash inflows from investments not individually reported.
Distributions from Other Investments
Distributions from other investments
Net increase in non-interest bearing demand deposits
The net cash inflow (outflow) in the total of all Noninterest-bearing demand deposits classified as cash flows from financing activities.
Increase (Decrease) in Noninterest Bearing Demand Deposits
Net increase in savings and interest bearing demand deposits
Increase (Decrease) in Saving and Interest Bearing Demand Deposits
The net cash inflow (outflow) in the total of all interest bearing deposit accounts, classified as cash flows from financing activities.
Accrued dividends, preferred shares
This element represents amount of dividend accrued to preferred shareholders.
Dividends Preferred Stock Accrued
Future cash outflow to pay for purchases of investment securities that have not been settled through a cash transaction yet.
Investment Securities Purchases, Not Yet Settled
Purchases of available-for-sale securities not yet settled
Basis of Presentation
Basis of Presentation
This element represents the entire disclosure regarding basis of presentation.
Basis of Presentation [Text Block]
Allowance for Probable Loan Losses
Other Borrowed Funds
Document Period End Date
Schedule of Junior Subordinated Borrowings [Table Text Block]
Junior subordinated deferrable interest debentures, major types of business trusts
Tabular disclosure of borrowings under junior subordinated debt agreements, including restrictive covenants, collateral, interest rates and due dates, amounts due by date and amount owed in total.
Number of Active Operating Subsidiaries
Number of active operating bank subsidiaries
Represents the number of active operating subsidiaries of the entity.
Number of insurance-related subsidiaries
Entity Number of Insurance Related Subsidiaries
Represents the number of insurance-related subsidiaries owned by the entity.
Number of components in which other-than-temporary impairment is segregated
Represents the number of components in which other-than-temporary impairments are segregated.
Number of Components Other than Temporary Impairment Segregated
Non-Accrual Loans
Non Accrual Loans [Abstract]
Minimum Period for Past Due Unsecured Loans Outstanding Not Placed on Non Accrual Status under Special Circumstances
Minimum period that past due unsecured loans outstanding may not be placed on nonaccrual status under special circumstances
Represents the minimum period that past due unsecured loans outstanding may not be placed on nonaccrual status under special circumstances.
Represents the maximum period of non-consumer loans outstanding that is used to evaluate whether loans should be placed on non-accrual status.
Maximum Period Outstanding Non Consumer Loans are Evaluated for Non Accrual Status
Maximum period of non-consumer loans outstanding that is used to evaluate whether loans should be placed on non-accrual status
Income Taxes [Abstract]
Income Taxes
Consolidated Statements of Cash Flows [Abstract]
Consolidated Statements of Cash Flows
Entity [Domain]
Maximum Term of Maturity to Classify Short Term Investments as Cash Equivalents
Maximum term of maturity to classify short term investments as cash equivalents
Represents the maximum term of maturity of short term investments to be classified as cash equivalents.
Impaired Financing Receivable, Recorded Investment Fair Value Disclosure
Impaired Loans
The estimated fair value of the recorded investment related to impaired financing receivables measured at fair value.
Impaired commercial collateral dependent loans
Impaired commercial collateral dependent receivables appraisals to determine fair value within immediately preceding twelve months
Impaired Commercial Collateral Financing Receivable Appraisals to Determine Fair Value
Represents the impaired commercial collateral dependent financing receivables where the basis for fair value is an appraisal obtained in the last twelve months.
Other real estate owned
Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.
Other Real Estate and Foreclosed Assets in Use
Estimated future principal prepayment rate assumption, low end of range (as a percent)
The low end of range of estimated future principal prepayment rate assumption used in the discounted cash flow model for investments classified within level 3 of the fair value hierarchy.
Fair Value Measurements, Discounted Cash Flow Model Assumptions Future Principal Prepayment Rates, Low End of Range
Estimated future principal prepayment rate assumption, discount rate (as a percent)
The discount rate assumption of estimated future principal prepayment rate assumption used in the discounted cash flow model for investments classified within level 3 of the fair value hierarchy.
Fair Value Measurements, Discounted Cash Flow Model Assumptions Future Principal Prepayment Discount Rate
The low end of range of default rates assumption for the first year used in the discounted cash flow model for investments classified within level 3 of the fair value hierarchy.
Fair Value Measurements, Discounted Cash Flow Model Assumptions Default Rates for First Year, Low End of Range
Default rate assumptions for the first year, low end of range (as a percent)
Loss severity rates assumption for the first year used in the discounted cash flow model for investments classified within level 3 of the fair value hierarchy.
Fair Value Measurements, Discounted Cash Flow Model Assumptions Loss Severity Rates for First Year
Loss severity rate assumptions, first year (as a percent)
The decline in the loss severity rate assumptions for the following three years used in the discounted cash flow model for investments classified within level 3 of the fair value hierarchy.
Fair Value Measurements, Discounted Cash Flow Model Assumptions Decline in Loss Severity Rates for Following Three Years
Decrease in loss severity rates, following three years (as a percent)
Loss severity rates assumption for the remaining years used in the discounted cash flow model for investments classified within level 3 of the fair value hierarchy.
Fair Value Measurements, Discounted Cash Flow Model Assumptions Loss Severity Rates, Thereafter
Loss severity rate, thereafter (as a percent)
The estimated fair value of recorded investment related to change in provision for impaired financing receivables measured at fair value.
Change in Provision of Impaired Financing Receivable, Fair Value Disclosure
Change in net provision, impaired loans
Change in net provision, other real estate owned
Carrying amount as of the balance sheet date of change in Provision of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.
Change in Provision of Other Real Estate and Foreclosed Assets in Use
Reflects the amount of charge-off related to a loan prior to foreclosure.
Allowance for Loan Lease Losses Write Offs Prior to Foreclosure
Adjustment to fair value in connection with other real estate owned
Decrease in loss severity rates, following five years (as a percent)
The decline in the loss severity rate assumptions for the following five years used in the discounted cash flow model for investments classified within level 3 of the fair value hierarchy.
Fair Value Measurements Discounted Cash Flow Model Assumptions Decline in Loss Severity Rates for Following Fifth Year
Default rate assumptions (as a percent)
Default rate assumption used in the discounted cash flow model for investments classified within level 3 of the fair value hierarchy.
Fair Value, Measurements Discounted Cash Flow Model Assumptions Default Rates
Fair Value Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Gain (Loss) [Abstract]
Total unrealized gains included in:
Represents the portion of time deposits valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Time deposits include certificates of deposits, individual retirement accounts and open accounts.
Time Deposits Fair Value, Disclosure
Estimated fair value of time deposits
Represents the portion of fixed rate performing loans valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Fixed rate loan represents loans charging borrowers fixed rates of interest.
Estimated fair value of fixed rate performing loans
Loans Receivable with Fixed Rate of Interest Fair Value, Disclosure
Securities Sold under Long Term Agreements to Repurchase
Carrying amount of long-term repurchase agreements
The carrying value as of the balance sheet date of securities that an institution sells and agrees to repurchase under a long term agreement (the identical or substantially the same securities) as a seller-borrower at a specified date for a specified price, also known as a repurchase agreement.
Carrying amount of fixed junior subordinated deferrable interest debentures
The carrying value of junior subordinated long-term debt with fixed rates of interest owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.
Junior Subordinated Debenture with Fixed Rates of Interest Owed to Unconsolidated Subsidiary Trust
Estimated fair value of long-term FHLB borrowings
Represents the aggregate of long-term FHLB borrowings reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with fair value disclosures required in footnote disclosures to financial statements. Such borrowings are initially due beyond one year or beyond the normal operating cycle, if longer.
Federal Home Loan Bank Advances, Long Term Fair Value, Disclosure
Receivables from Domestic Operations [Member]
Class of financing receivables related to the entity's country of domicile.
Domestic
Risks Related to Family Development Loans [Abstract]
Risks related to family development loans
Reflects the risks specifically related to family development loans.
Reflects the minimum number of family development loans that include restrictive underwriting standards that inhibit the buys from obtaining long term financing and excessive housing and lot inventory in the market.
Minimum Number of Family Development Loans
Minimum number of family development loans
Maximum number of family development loans
Reflects the maximum number of family development loans that include restrictive underwriting standards that inhibit the buys from obtaining long term financing and excessive housing and lot inventory in the market.
Maximum Number of Family Development Loans
Represents the reduction in interest income on recorded investment in financing receivables that are on nonaccrual status.
Financing Receivable Recorded Investment Nonaccrual Status Reduction in Interest Income
Reduced interest income on non-accrual loans
Share Based Compensation Arrangement by Share Based Payment Award, Options Reductions from Outstanding [Abstract]
Less:
Share Based Compensation Arrangement by Share Based Payment Award, Options Reductions from Outstanding Weighted Average Exercise Price [Abstract]
Less:
Stock options, aggregate intrinsic value
Share Based Compensation Arrangement by Share Based Payment Award, Options Aggregate Intrinsic Value Disclosures [Abstract]
Share Based Compensation Arrangement by Share Based Payment Award, Options, Additional Information [Abstract]
Other information pertaining to option activity
The amortized cost of available-for-sale securities that serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.
Available For Sale Securities Pledged as Collateral Amortized Cost
Amortized cost of available for sale investment securities pledged
The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis after taxes. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.
Other than Temporary Impairment Losses Investments, Portion Recognized in Earnings, Net after Tax
Impairment charges on available-for-sale investment securities, after tax
The annual amortization amount for Federal Home Loan Bank advances for the next five years. Update label as: Annual amortization of long-term advances for the next five years.
Federal Home Loan Bank Advances Activity for Next Five Years Amortization
Amortization of long-term advances for the next five years
Period of Amortization of Long Term Advances
This represents the period of amortization of the long-term advances in years.
Period of amortization of long-term advances
Percentage of decrease in other borrowed funds
Represents the percentage change in other borrowed funds. Borrowed funds primarily consist of short and long term borrowings from the Federal Home Loan Bank.
Percentage of Advances from Federal Home Loan Banks Increase (Decrease)
Schedule of Debt Instruments [Table]
A table or schedule providing information pertaining to short-term and long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation.
Represents the portion of securities redeemed.
Portion of Securities Redeemed
Securities redeemed
Number of statutory business trusts issuing trust preferred securities
Number of Statutory Business Trusts Issuing Preferred Securities
Number of statutory business trusts formed for the purpose of issuing trust preferred securities.
Available-for-sale Securities [Member]
Available for sale investments
Maximum Number of Consecutive Quarterly Periods Available-for-Deferral of Payment of Interest
Maximum number of consecutive quarterly period available for deferral of interest payment on Trusts VI, VII, VIII, IX, X, XI and XII
Represents the maximum number of consecutive quarterly periods available to the entity for deferring the payment of interest on Trusts VI, VII, VIII, IX, X, XI and XII.
Percentage of capital securities issued by trust qualifying as Tier I capital, maximum
Represents the maximum percentage of capital securities issued by the trust qualifying as Tier I capital on an aggregate basis.
Maximum Percentage of Capital Securities Issued by Trust Qualifying as Tier One Capital
Percentage of capital securities issued by trust qualifying as Tier II capital, minimum
Minimum Percentage of Capital Securities Issued by Trust Qualifying as Tier Two Capital
Represents the minimum percentage of capital securities issued by the trust qualifying as Tier II capital on an aggregate basis.
Capital Securities Issued by Trust, Qualifying as Tier One Capital
Capital securities issued by the trust, qualifying as Tier I capital
Represents capital securities issued by trust that is qualified as Tier I capital as on the reporting date.
Stock Repurchase Program, Cumulative Shares Repurchased
The cumulative number of shares that have been repurchased under all stock repurchase programs as of a certain date.
Cumulative number of shares repurchased under all stock repurchase programs
The cumulative cost of shares that have been repurchased under all stock repurchase programs as of a certain date.
Cumulative cost of shares repurchased under all stock repurchase programs
Stock Repurchase Program, Cumulative Cost of Shares Repurchased
Entity Well-known Seasoned Issuer
Preferred Stock, Dividend Rate Percentage for First Five Years
Senior preferred stock, dividend rate for first five years (as a percent)
The percentage rate used to calculate dividend payments on the preferred stock for the first five years.
Entity Voluntary Filers
Preferred Stock, Dividend Rate Percentage, Thereafter
Senior preferred stock, dividend rate thereafter (as a percent)
The percentage rate used to calculate dividend payments on the preferred stock after the first five years.
Entity Current Reporting Status
Aggregate Common Stock Investment as Percentage of Senior Preferred Stock, Investment on Exercise of Warrants
Percentage of aggregate common stock investment on exercise of warrant to Senior Preferred Stock investment
The percentage of aggregate common stock investment on the exercise of warrant to the Senior Preferred Stock investment.
Entity Filer Category
Warrants, term
Period representing the term of warrant.
Class of Warrant or Right Term
Entity Public Float
Maximum Dividend Income to be Received from Subsidiaries
Dividend payable by subsidiaries, maximum
Represents the maximum amount of dividend the subsidiary banks could pay to the entity.
Entity Registrant Name
Length of Transition Period under Federal Reserve Board Final Rule
Length of transition period under final rule of Federal Reserve Board
The length of the transition period under final rule of Federal Reserve Board limiting the 25% Tier I capital to trust preferred securities and certain other elements.
Entity Central Index Key
Maximum Percentage of Trust, Preferred Securities and Other Capital Elements to Tier One Capital
Percentage of trust preferred securities and certain other capital elements to Tier 1 capital, maximum (as a percent)
Maximum percentage of the aggregate amount of trust preferred securities and certain other capital elements to Tier 1 capital elements, net of goodwill, less any associated deferred tax liability.
For bank holding companies with significant international operations, the expected maximum percentage of trust preferred securities to tier I capital.
Percentage of trust preferred securities to tier 1 capital for bank holding companies with significant international operations, maximum limit expected
Percentage of Trust, Preferred Securities to Tier One Capital of Bank Holding Companies with Significant International Operations, Maximum Limit Expected
Maximum Percentage of Convertible Preferred Securities to Tier One Capital Elements of Bank Holding Companies with Significant International Operations
Percentage of convertible preferred securities to Tier 1 capital elements related to bank holding companies with significant international operations, maximum
Maximum percentage of qualifying mandatory convertible preferred securities to Tier 1 capital elements related to bank holding companies with significant international operations.
Extended Transition Period under Federal Reserve Board, Final Rule
Extended transition period under the final rule of the Federal Reserve Board
The number of years specified as the extended transition period under the final rule of the Federal Reserve Board.
Entity Common Stock, Shares Outstanding
Minimum Consolidated Assets for Application of Collins Amendment
Consolidated assets required for the application of Collins amendment, minimum
Minimum amounts of consolidated assets required for the application of Collins amendment as per Dodd-Frank Wall Street Reform and Consumer Protection Act.
Payment made to former controlling shareholders of LFIN
Represents the payment made to the former controlling shareholders of Loan Financial Corporation in connection with settlement of dispute related to certain tax matters.
Loss Contingency Payment to Former Controlling Shareholders of Loan Financial Corporation
Operating Leases, Future Minimum Payments Due Future Minimum Sublease Rentals, Minimum Period
Minimum period for non-cancellable sub-leases
Represents the minimum period of contractually required future rental payments receivable on non-cancelable sub-leasing arrangements.
Approximate cash maintained to satisfy regulatory reserve requirements
Represents the amount of cash maintained to satisfy regulatory reserve requirements as of the balance sheet date.
Cash Reserve to Satisfy Regulatory Reserve Requirements
Intangible Assets and Goodwill
The aggregate amount of identified intangible assets and goodwill recorded in connection with acquisitions made by the entity, are deducted from the sum of core capital elements while determining capital ratios of the entity.
Identified intangibles and goodwill
Acquisitions
Tabular disclosure of all borrowed funds not defined anywhere else in the taxonomy. Includes Federal Home Loan Bank borrowings, which are short and long-term fixed borrowings.
Schedule of Other Borrowed Funds [Table Text Block]
Schedule of other borrowed funds
Loans [Policy Text Block]
Loans
Disclosure of the entity's accounting policy for loans being reported at the principal balance outstanding.
Other Real Estate Owned [Policy Text Block]
Other Real Estate Owned
Represents the accounting policy disclosure for real estate owned (as defined). Generally, the largest component of real estate owned by lenders is assets taken in settlement of troubled loans through surrender or foreclosure. Real estate investments, real estate loans that qualify as investments in real estate and premises that are no longer used in operations may also be included in real estate owned.
Disclosure of accounting policy related to other investments.
Other Investments [Policy Text Block]
Other Investments
Consolidated Statements of Cash Flows
Disclosure of the entity's accounting policy related to components of the consolidated statements of cash flows.
Consolidated Statements of Cash Flows [Policy Text Block]
Deferred Tax Assets, Other Real Estate, Owned
Other real estate owned
The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to other real estate owned.
Furniture, equipment and vehicles
Furniture Equipment and Vehicles [Member]
Tangible personal property, nonconsumable in nature, with finite lives used to produce goods and services. Also includes long- lived, depreciable assets, commonly used in offices and stores and long-lived, depreciable assets used primarily for road transportation.
Real estate held for productive use and long-lived structures used in the conduct of business, including land, building, furniture, fixture and equipment.
Land, Building, Furniture Fixture and Equipment [Member]
Land, building, furniture, fixture and equipment
Deposits.
Schedule of deposits and related interest expense
Tabular disclosure of information pertaining to deposits and related interest expense.
Schedule of Deposits and Related Interest Expense [Table Text Block]
Schedule of Time Deposits Contractual Maturities [Table Text Block]
Scheduled maturities of time deposits
Tabular disclosure of time deposits, classified with respect to their maturities.
Document Fiscal Year Focus
Schedule of Time Deposits with Balances of 100000 or More with Contractual Maturities [Table Text Block]
Scheduled maturities of time deposits in amounts of $100,000 or more
Tabular disclosure of time deposits with balances of 100,000 dollars or more, along with contractual maturities.
Document Fiscal Period Focus
Less than $100,000
Time Deposits Less than 100000 [Abstract]
Time Deposits Less than 100000 Domestic
Domestic
The aggregate amount of domestic time deposits (including certificates of deposits, individual retirement accounts and open accounts) that total to less than 100,000 dollars.
Time Deposits Less than 100000 Foreign
The aggregate amount of foreign time deposits (including certificates of deposits, individual retirement accounts and open accounts) that total to less than 100,000 dollars.
Foreign
Domestic
The aggregate interest expense incurred on the following domestic deposits in domestic offices: (1) transaction accounts (NOW, and telephone and preauthorized transfer accounts), (2) money market deposits and (3) savings deposit.
Interest Expense NOW Accounts Money Market Accounts and Savings Deposit Domestic
Foreign
The aggregate interest expense incurred on the following foreign deposits in domestic offices: (1) transaction accounts (NOW, and telephone and preauthorized transfer accounts), (2) money market deposits and (3) savings deposit.
Interest Expense NOW Accounts Money Market Accounts and Savings Deposit Foreign
$100,000 or more
Interest Expense Time Deposits 100000 or More [Abstract]
Interest expense incurred on domestic time deposits, including certificate of deposits, of 100,000 dollars or more in domestic offices.
Interest Expense Time Deposits 100000 or More Domestic
Domestic
Interest Expense Time Deposits 100000 or More Foreign
Foreign
Interest expense incurred on foreign time deposits, including certificate of deposits, of 100,000 dollars or more in domestic offices.
Interest Expense Time Deposits Less than 100000 [Abstract]
Less than $100,000
Interest expense incurred on domestic time deposits, including certificate of deposits, less than 100,000 dollars in domestic offices.
Interest Expense Time Deposits Less than 100000 Domestic
Domestic
Interest Expense Time Deposits Less than 100000 Foreign
Interest expense incurred on foreign time deposits, including certificate of deposits, less than 100,000 dollars in domestic offices.
Foreign
Legal Entity [Axis]
Represents the average amount of securities sold under repurchase agreements during the period.
Average outstanding amount
Securities Sold under Agreements to Repurchase Average Outstanding Amount
Document Type
Represents the maximum balance outstanding at any month end during the period as of the balance sheet date.
Maximum amount outstanding at any month end
Securities Sold under Agreements to Repurchase Maximum Outstanding Amount at any Month End
Summary of Significant Accounting Policies
International Operations
Schedule of information pertaining to products or services provided by the entity.
Schedule of Products or Services [Table]
International Banking Services [Member]
International banking services
Represents the international banking services provided by the entity to its customers.
Summary of International Operations
International Operation Services [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation Elements [Abstract]
Change in taxes resulting from:
Income Tax Reconciliation, Noninterest Income Other
Other investment income
The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the current period and the expected income tax expense or benefit computed attributable to other investment income.
Share Based Compensation Arrangement by Share Based Payment, Minimum Number of Non Employee Board Members to Authorize RSUs
Minimum number of non-employee members of the Board needed to authorize restricted stock units
The minimum number of non-employee members of the Board authorized to issue restricted stock units. The members are appointed by the Board each of whom is both a non-employee director and an outside director.
Restricted stock compensation limit as a percentage to the total annual compensation of the President
Represents the limit of the restricted stock unit compensation as a percentage to the total annual compensation of the award.
Share Based Compensation Arrangement by Share Based Payment Award, Percentage of RSU to Total Compensation Limit
2009 International Bancshares Corporation Long-Term Restricted Stock Unit Plan
Represents the details pertaining to 2009 International Bancshares Corporation Long-Term Restricted Stock Unit Plan adopted by board of directors.
International Bancshares Corporation, Long Term Restricted Stock Unit Plan 2009 [Member]
CPP Status [Axis]
Reflects compliance with the rules related to the Troubled Asset Relief Program Capital Purchase Program.
CPP Status [Domain]
Information related to the status of the compliance to the rules related to the Troubled Asset Relief Program Capital Purchase Program.
Represents details pertaining to CPP-compliant long-term RSUs.
CPP Compliant Long Term RSU [Member]
CPP-compliant long-term RSUs
Financial Instruments with Off-Statement of Condition Risk and Concentrations of Credit Risk
Commercial letters of credit
Commercial Letters of Credit [Member]
Represents commercial letters of credit.
Receivable Type [Axis]
Represents unsecured letters of credit.
Unsecured letters of credit
Unsecured Letters of Credit [Member]
Represents the maximum fixed expiration date upon which commitments are set to expire.
Credit Risk Commitments Expiration Date
Credit risk commitment, maximum expiration date
International Bancshares Corporation (Parent Company Only) Financial Information Statements of Condition
Condensed Statements of Condition of Parent Company Only [Table Text Block]
Schedule of condensed statements of condition of Parent Company
Tabular disclosure of condensed statements of condition of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document.
Investment in Subsidiaries
Represents the investments in wholly-owned subsidiaries of the reporting entity. This balance is eliminated in consolidation.
Investment in subsidiaries
Due to IBC Trading
Intercompany Payables
Represents the intercompany payables owed to a wholly-owned subsidiary of the reporting entity. This balance is eliminated in consolidation.
International Bancshares Corporation (Parent Company Only) Financial Information Statements of Income
Condensed Statements of Income of Parent Company Only [Table Text Block]
Schedule of condensed statements of income of Parent Company
Tabular disclosure of condensed statements of income of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document.
Income:
Income [Abstract]
Interest Income Notes Receivable
Interest income on notes receivable
Represents the details pertaining to interest income on notes receivable.
Represents the total income generated from banking operations.
Total Income
Total income
Represents the dividend income received from wholly-owned subsidiaries. This amount is eliminated in consolidation.
Dividends from subsidiaries
Dividend Income from Subsidiaries
Expenses:
Expenses [Abstract]
Income (Loss) from Continuing Operations after Income Taxes and before Minority Interest, Income (Loss) from Equity Method Investments
Income before equity in undistributed net income of subsidiaries
Sum of operating profit and nonoperating income or expense before income or loss from equity method investments and noncontrolling interest but after income taxes, extraordinary items.
International Bancshares Corporation (Parent Company Only) Financial Information Statements of Cash Flows
Tabular disclosure of condensed statements of cash flows of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document.
Condensed Statements of Cash Flows Parent Company Only [Table Text Block]
Schedule of condensed statements of cash flows of Parent Company
Represents the income or loss from wholly-owned subsidiaries as adjusted in the Statement of Cash Flows. This item is eliminated at consolidation.
Equity in (undistributed) distributed net income of subsidiaries
Income (Loss) from Investments in Subsidiaries Cash Flow as Adjusted
The net cash inflow or outflow for the increase (decrease) associated with other assets not separately disclosed in the statement of cash flows that are classified as investing activities.
Increase (Decrease) in Other Assets
Decrease (increase) in other assets and other investments
Other Comprehensive Income Unrealized Holding Gain (Loss) on Securities Arising During, Net of Reclassification Adjustment
Net change in unrealized gains and losses on available for sale securities, net of reclassification adjustments
This element represents the net change in unrealized gains and losses on available for sale securities, net of reclassification adjustment.
International Bank of Commerce, Laredo
Details pertaining to International Bank of Commerce, Laredo.
International Bank of Commerce Laredo [Member]
International Bank of Commerce, Brownsville
International Bank of Commerce Brownsville [Member]
Details pertaining to International Bank of Commerce, Brownsville.
International Bank of Commerce Zapata [Member]
International Bank of Commerce, Zapata
Details pertaining to International Bank of Commerce, Zapata.
Commerce Bank
Details pertaining to Commerce Bank.
Commerce Bank [Member]
International Operations
International Operations Disclosure [Text Block]
Disclosure of the international banking services of the entity based on the domicile of the customer.
Financial Instruments with Off-Statement of Condition Risk and Concentrations of Credit Risk
Fair Value, Off Balance Sheet Risks and Concentration of Risk [Text Block]
The combined disclosure of off-statement of condition risks and concentrations of credit risk. The off-statement of condition disclosure includes information regarding the fair value of financial instruments (as defined), which are not recognized as liabilities in the statement of condition (off-statement of condition) because they fail to meet some criterion for recognition. The concentrations of credit risk disclosure includes disclosure of all significant concentrations of risk, including credit risk and market risk, arising from all financial instruments (as defined), whether from an individual counterparty or groups of counterparties.
International Bancshares Corporation (Parent Company Only) Financial Information Statements of Condition
Condensed Financial Information of Condition Parent Company Only Disclosure [Text Block]
This element can be used to encapsulate the condensed financial information of cash flows disclosure of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document.
International Bancshares Corporation (Parent Company Only) Financial Information Statements of Income
Condensed Financial Information of Income Parent Company Only Disclosure [Text Block]
This element can be used to encapsulate the condensed financial information of statement of Income disclosure of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document.
International Bancshares Corporation (Parent Company Only) Financial Information Statements of Cash Flows
Condensed Financial Information of Cash Flow Parent Company Only Disclosure [Text Block]
This element can be used to encapsulate the condensed financial information of Balance sheet disclosure of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document.
Long Term Restricted Stock Units
Long Term Restricted Stock Units Disclosure [Text Block]
Long Term Restricted Stock Units
The entire disclosure for long term restricted stock units.
Early termination fee - securities sold under repurchase agreements
This element represents the cost to unwind long-term securities sold under repurchase agreements before scheduled maturity.
Prepayment Penalty on Securities Sold under Repurchase Agreement
Number of warrants exercised
Represents the number of warrants exercised during the current period.
Class of Warrant or Right Exercised
Minimum period of residential mortgage loan performance under original contract terms
The minimum period where the underlying residential mortgage loans must perform under original contract terms as a basis for certain discounted cash flow assumptions to be used.
Fair Value Measurements Discounted Cash Flow Model Minimum Performance Period under Original Terms
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses after Tax
Impairment charges, after tax, recognized during period
This item represents the after tax effect of an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.
Charges to allowance for probable loan losses in connection with other real estate owned
Allowance for Loan and Lease Losses Period Increase (Decrease) Loans Transferred to Other Real Estate Owned
Amount of increase (decrease) of allowance reserve for credit losses in connection with loans transferred to other real estate owned.
Available-for-sale Securities Gross Unrealized Gain Accumulated in Investments
Amount of accumulated unrealized gain before deducting unrealized loss on investments in available-for-sale securities impacting investments.
Gross Unrealized Gains
Gross Unrealized Losses
Amount of accumulated unrealized loss before deducting unrealized gain on investments in available-for-sale securities impacting investments.
Available-for-sale Securities Gross Unrealized Loss Accumulated in Investments
Available-for-sale Securities Continuous Unrealized Loss Position Less than 12 Months Aggregate Losses Accumulated in Investments
Amount of accumulated unrealized loss on securities classified as available-for-sale securities that have been in a loss position for less than twelve months impacting investments.
Unrealized losses, less than 12 months
Available-for-sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses Accumulated in Investments
Amount of accumulated unrealized loss on securities classified as available-for-sale securities that have been in a loss position for twelve months or longer impacting investments.
Unrealized losses, 12 months or more
Available-for-sale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated in Investments
Amount of accumulated unrealized loss on securities classified as available-for-sale securities, impacting investments.
Unrealized losses, total
Loss Contingency Income Tax Adjustments
Represents adjustments to reflect the difference between accrued and actual taxes on the franchise tax return.
Loss Contingency Income Tax Adjustments
Period of Charge Off for Past Due Unsecured Commercial Loans
Period of charge off for past due unsecured consumer loans
Represents the period of charge off for past due unsecured commercial loans.
Percentage of Likelihood of Realization of Recognized Tax Benefit
Percentage of likelihood of realization of recognized tax benefit
Represents the percentage of likelihood of realization of recognized benefit.
Summary of assets attributable to international operations
Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.
Schedule of Accounts Notes Loans and Financing Receivables [Table Text Block]
Income Tax Reconciliation Nondeductible Expense Litigation
Litigation expense
The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible litigation expense under enacted tax laws.
Summary of assets attributable to international operations
Summary of loans, by loan type
Accounts, Notes, Loans and Financing Receivable [Line Items]
Goodwill and Intangible Assets [Abstract]
Goodwill and Identified Intangible Assets
Number of relationships charged off
Represents the number of financing receivables charged off during the period.
Number of Financing Receivables Charged Off
CPP Compliant Long Term RSU Granted for Performance in 2012 [Member]
CPP-compliant long-term RSUs granted for performance in 2012
Represents details pertaining to CPP-compliant long-term RSUs granted for performance in 2012.
CPP Compliant Long Term RSU Granted for Performance in 2011 [Member]
CPP-compliant long-term RSUs granted for performance in 2011
Represents details pertaining to CPP-compliant long-term RSUs granted for performance in 2011.
CPP Compliant Long Term RSU Granted for Performance in 2010 [Member]
CPP-compliant long-term RSUs granted for performance in 2010
Represents details pertaining to CPP-compliant long-term RSUs granted for performance in 2010.
CPP Compliant Long Term RSU Granted for Performance in 2009 [Member]
CPP-compliant long-term RSUs granted for performance in 2009
Represents details pertaining to CPP-compliant long-term RSUs granted for performance in 2009.
Deferred Tax Assets Unrealized Gains on Available-for-Sale Securities
Net unrealized gains on available for sale investment securities
Represents the amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized gains on available-for-sale securities.
Capital and Common Securities Redemption Amount
Capital and Common Securities redemption price
Represents the redemption amount of capital and common securities.
Debt Instruments Redemption Price Discount
Redemption price discount (as a percent)
Represents the percentage of discount from redemption price of debt.
Less: accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated other comprehensive income, comprehensive loss related to other-than-temporary impairment for non-credit related issues (in dollars)
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Debt Securities
Accumulated other comprehensive loss (including $(5,567) and $(5,646) of comprehensive loss related to other-than-temporary impairment for non-credit related issues)
Accumulated other comprehensive (loss) income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Member]
Surplus
Additional Paid in Capital
Surplus
Additional Paid-in Capital [Member]
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Adjustments to reconcile net income to net cash provided by operating activities:
Stock compensation expense recognized in earnings
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Federal Home Loan Bank advances
Other borrowed funds
Advances from Federal Home Loan Banks [Abstract]
Other borrowed funds
Balance at year end
Advances from Federal Home Loan Banks
Advertising
Advertising Expense
Advertising
Advertising Costs, Policy [Policy Text Block]
Stock-based compensation expense
Allocated Share-based Compensation Expense
Allowance for Probable Loan Losses
Allowance for Credit Losses [Text Block]
Loans individually or collectively evaluated for impairment and related allowance, by loan class
Allowance for Credit Losses on Financing Receivables [Table Text Block]
Losses charged to allowance
Allowance for Loan and Lease Losses, Write-offs
Net losses charged to allowance
Net losses charged to allowance
Allowance for Loan and Lease Losses Write-offs, Net
Recoveries credited to allowance
Allowance for Loan and Lease Loss, Recovery of Bad Debts
Increase in allowance for probable loan losses due to the addition of a specific reserve
Allowance for Loan and Lease Losses, Period Increase (Decrease)
Allowance for probable loan losses
Allowance for Loan and Lease Losses [Roll Forward]
Amortization of identified intangible assets
Amortization expense
Amortization of Intangible Assets
Accretion of junior subordinated debenture discounts
Accretion of junior subordinated interest deferrable debentures
Amortization of Debt Discount (Premium)
Securities or Other Assets Sold under Agreements to Repurchase, Maturity Periods [Axis]
Collateralized Securities, Book Value of Securities Sold
Assets Sold under Agreements to Repurchase, Carrying Amount
Assets:
Assets, Fair Value Disclosure [Abstract]
Total assets
Assets
Assets
ASSETS
Assets [Abstract]
Repurchase Borrowing, Weighted Average Interest Rate (as a percent)
Assets Sold under Agreements to Repurchase, Interest Rate
Collateral Securities and Repurchase Borrowing agreements
Assets Sold under Agreements to Repurchase [Line Items]
Collateralized securities, Fair Value of Securities Sold
Assets Sold under Agreements to Repurchase, Market Value
Assets Sold under Agreements to Repurchase, Maturity Period [Domain]
Fair value, less than 12 months
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Available-for-sale securities, debt maturities disclosures
Available-for-sale Securities, Debt Maturities [Abstract]
Available-for-sale debt securities amortized cost disclosures
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Due in one year or less, Available for Sale, Estimated fair value
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value
Due after five years through ten years, available-for-sale debt securities, Estimated Fair Value
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value
Equity securities, amortized cost
Available-for-sale Equity Securities, Amortized Cost Basis
Fair value, 12 months or more
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Due in one year or less, Available for Sale, Amortized Cost
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis
Due after five years through ten years, available-for-sale debt securities amortized cost
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis
Available-for-sale (Amortized cost of $5,259,440 on March 31, 2014 and $5,372,594 on December 31, 2013)
Estimated fair value, Available for sale securities
Total investment securities
Available for sale securities
Available-for-sale Securities
Fair value of available for sale investment securities pledged
Available-for-sale Securities Pledged as Collateral
Fair value, total
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Available for sale debt securities, Estimated Fair Value Disclosures
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Residential mortgage-backed securities, Estimated Fair Value
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value
Due after ten years, available-for-sale debt securities amortized cost
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis
Due after ten years, available-for-sale debt securities, Estimated Fair Value
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value
Available for sale, Amortized cost (in dollars)
Amortized Cost
Amortized cost, Available for sale securities
Available-for-sale Securities, Amortized Cost Basis
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value
Due after one year through five years, Available for Sale, Estimated fair value
Residential mortgage-backed securities, amortized cost
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis
Available for sale:
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale securities
Available-for-sale Securities [Abstract]
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis
Due after one year through five years, Available for Sale, Amortized Cost
Gross losses realized on sales
Available-for-sale Securities, Gross Realized Losses
Gross gains realized on sales
Available-for-sale Securities, Gross Realized Gains
Equity securities, Estimated Fair Value
Available-for-sale Securities, Equity Securities
Capital Ratios
Bond
Bonds [Member]
Bank buildings and improvements
Building and Building Improvements [Member]
Acquisitions
Business Combination Disclosure [Text Block]
Total Capital (to Risk Weighted Assets), Actual Amount
Capital
Total Capital (to Risk Weighted Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent)
Capital Required to be Well Capitalized to Risk Weighted Assets
Total Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Ratio (as a percent)
Capital Required for Capital Adequacy to Risk Weighted Assets
Total Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Amount
Capital Required for Capital Adequacy
Total Capital (to Risk Weighted Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount
Capital Required to be Well Capitalized
Total Capital (to Risk Weighted Assets), Actual Ratio (as a percent)
Capital to Risk Weighted Assets
Carrying Value
Reported Value Measurement [Member]
Cash and cash equivalents
Cash and Due from Banks
Cash
Cash
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Non-cash investing and financing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Warrants to purchase entity's common stock (in shares)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights
Warrants, exercise price (in dollars per share)
Class of Warrant or Right, Exercise Price of Warrants or Rights
Commercial real estate relationships
Commercial Real Estate Portfolio Segment [Member]
Commercial
Commercial Loan [Member]
Commitments and Contingent Liabilities
Commitments and Contingent Liabilities (Note 10)
Commitments and Contingencies
Commitments and Contingent Liabilities
Commitments and Contingencies Disclosure [Text Block]
Commitments to extend credit
Commitments to Extend Credit [Member]
Common shares, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common Stock
Common Stock [Member]
Common shares of $1.00 par value. Authorized 275,000,000 shares; issued 95,751,991 shares on March 31, 2014 and 95,743,592 shares on December 31, 2013
Common shares
Common Stock, Value, Issued
Common shares, issued shares
Common Stock, Shares, Issued
Cash Dividends (in dollars per share)
Common Stock, Dividends, Per Share, Declared
Common shares, Authorized shares
Common Stock, Shares Authorized
Cash dividends paid to common shareholders (in dollars per share)
Common Stock, Dividends, Per Share, Cash Paid
Employees' Profit Sharing Plan
Employees' Profit Sharing Plan
Compensation Related Costs, General [Text Block]
Capital Requirements
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Deferred tax assets:
Components of Deferred Tax Assets [Abstract]
Comprehensive Income (Loss)
Comprehensive Income, Policy [Policy Text Block]
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Statements of Cash Flows (Parent Company Only)
Statements of Condition (Parent Company Only)
Statements of Income (Parent Company Only)
Condensed Financial Statements, Captions [Line Items]
Consolidation and Basis of Presentation
Consolidation, Policy [Policy Text Block]
Consumer
Consumer Loan [Member]
Scheduled maturities of time deposits in amounts of $100,000 or more
Contractual Maturities, Time Deposits, $100,000 or More [Abstract]
Identified intangible (contract rights)
Contractual Rights [Member]
Due within 3 months or less
Contractual Maturities, Time Deposits, $100,000 or More, Three Months or Less
Due after 3 months and within 6 months
Contractual Maturities, Time Deposits, $100,000 or More, Three Months Through Six Months
Due after 6 months and within 12 months
Contractual Maturities, Time Deposits, $100,000 or More, Six Months Through 12 Months
Due after 12 months
Contractual Maturities, Time Deposits, $100,000 or More, after 12 Months
Core deposit premium
Core Deposits [Member]
State
Current State and Local Tax Expense (Benefit)
Current
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Foreign
Current Foreign Tax Expense (Benefit)
U.S.
Current Federal Tax Expense (Benefit)
Total current taxes
Current Income Tax Expense (Benefit)
Junior subordinated deferrable interest debentures, major types of business trusts
Other Borrowed Funds
Debt Instrument [Line Items]
Schedule of Long-term Debt Instruments [Table]
Spread on interest rate index (as a percent)
Debt Instrument, Basis Spread on Variable Rate
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Interest rate index
Debt Instrument, Interest Rate Terms
Interest rate (as a percent)
Debt Instrument, Interest Rate During Period
Employees' profit sharing plan
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Profit sharing costs
Deferred Compensation Arrangement with Individual, Compensation Expense
Deferred Bonus and Profit Sharing Plan, Type of Deferred Compensation [Axis]
Minimum period of continuous employment to be fully vested
Deferred Compensation Arrangement with Individual, Requisite Service Period
U.S.
Deferred Federal Income Tax Expense (Benefit)
Deferred
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred tax benefit
Total deferred taxes
Deferred Income Tax Expense (Benefit)
State
Deferred State and Local Income Tax Expense (Benefit)
Net deferred tax asset (liability)
Deferred Tax Assets, Net
Deferred profit sharing plan
Deferred Profit Sharing [Member]
Total deferred tax assets
Deferred Tax Assets, Gross
Other
Deferred Tax Assets, Other
Impairment charges on available-for-sale securities
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment Losses
Accrued expenses
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
Other
Deferred Tax Liabilities, Other
Loans receivable, principally due to the allowance for probable loan losses
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses
Net unrealized gains on available for sale investment securities
Deferred Tax Liabilities, Other Comprehensive Income
Bank premises and equipment, principally due to differences on depreciation
Deferred Tax Liabilities, Property, Plant and Equipment
Identified intangible assets and goodwill
Deferred Tax Liabilities, Goodwill and Intangible Assets
Total deferred tax liabilities
Deferred Tax Liabilities, Net
Deferred tax liabilities:
Deferred Tax Liabilities, Gross [Abstract]
Deposits
Deposit Liabilities Disclosures [Text Block]
Total deposits
Deposits
Deposits:
Deposits
Deposits [Abstract]
Depreciation of bank premises and equipment
Depreciation, Nonproduction
Stock Options
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Stock Options
Dividends:
Dividends [Abstract]
Cash ($.43, $.40 and $.38 per share for the year ended December 31, 2013, 2012 and 2011, respectively)
Dividends, Common Stock, Cash
Dividends declared, not yet paid
Dividends Payable
Preferred stock (5%) including discount accretion
Senior preferred stock, dividend paid
Dividends, Preferred Stock
Basic earnings per common share:
Basic EPS
Basic
Earnings Per Share, Basic [Abstract]
Fully diluted earnings per common share:
Diluted EPS
Diluted
Earnings Per Share, Diluted [Abstract]
Earnings per Share ("EPS")
Earnings Per Share [Text Block]
Net Income Per Share
Earnings Per Share, Policy [Policy Text Block]
Net income (in dollars per share)
Per Share Amount
Earnings Per Share, Basic
Net income (in dollars per share)
Per Share Amount (in dollars per share)
Earnings Per Share, Diluted
Per common share:
Earnings per Share ("EPS")
Income tax expense differences from the amount computed by applying the U.S. Federal income tax rate to income before income taxes (as a percent)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Stock options under 2012 Plan
Employee Stock Option [Member]
Cash amounts paid on vesting of awards
Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards
Compensation cost
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount
Stock-based compensation cost, unrecognized, related to non-vested options
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Stock-based compensation cost, unrecognized, related to non-vested options, weighted-average period of recognition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Equity Component [Domain]
Other
Equity Securities
Equity Securities [Member]
Assets/Liabilities Measured at Fair Value
Estimated Fair Value
Estimate of Fair Value Measurement [Member]
Measurement Frequency [Axis]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Hierarchy [Axis]
Measured on a recurring basis:
Fair Value, Measurements, Recurring [Member]
Principal paydowns
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Fair Value, Measurement Frequency [Domain]
Asset Class [Axis]
Outstanding amount of financial instruments whose, contract amounts represent credit risks
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability
Measurement Basis [Axis]
Assumptions used in discounted cash flow model to determine fair value of investments classified within level 3
Fair Value Assumptions and Methodology for Assets and Liabilities [Abstract]
Impairment realized
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Assets and liabilities reported at fair value on recurring
Assets and liabilities reported at fair value on nonrecurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other comprehensive loss
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
Fair Value Measurements
Measured on a non-recurring basis:
Fair Value, Measurements, Nonrecurring [Member]
Fair Value Hierarchy [Domain]
Asset Class [Domain]
Financial instruments measured at fair value on a non-recurring basis
Fair Value Measurements, Nonrecurring [Table Text Block]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Reconciliation of activity for mortgage-backed securities on a net basis
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Assets Measured on Recurring Basis, mortgage-backed securities reconciliation
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value Measurement [Domain]
Reconciliation of activity for mortgage-backed securities on a net basis
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Estimated fair value of fixed junior subordinated deferrable interest debentures
Subordinated Debt Obligations, Fair Value Disclosure
Significant Unobservable Inputs (Level 3)
Fair Value, Inputs, Level 3 [Member]
Balance at the beginning of the period
Balance at the end of the period
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Inputs, Level 1 [Member]
Net income
Significant Other Observable Inputs (Level 2)
Fair Value, Inputs, Level 2 [Member]
Financial amounts of instruments, whose contract amounts represent credit risks
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Deposit insurance assessments
Federal Deposit Insurance Corporation Premium Expense
Other Borrowed Funds
Federal Home Loan Bank Advances, Disclosure [Text Block]
Average daily balance
Federal Home Loan Bank, Advances, Activity for Year, Average Balance of Agreements Outstanding
Rate on balance outstanding at year end (as a percent)
Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End
Maximum amount outstanding at any month end
Federal Home Loan Bank, Advances, Activity for Year, Maximum Outstanding at any Month End
Securities Sold Under Repurchase Agreements
Federal Funds Purchased and Securities Sold under Agreements to Repurchase [Abstract]
Average rate (as a percent)
Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate for Year
Carrying amount of the long-term FHLB borrowings
Long-term Federal Home Loan Bank Advances
Federal tax expense
Federal Income Tax Expense (Benefit), Continuing Operations
Non-banking
Fees and Commissions, Other
Service charges on deposit accounts
Fees and Commissions, Depositor Accounts
Financial Instrument [Axis]
Loan loss allowances, financing receivable past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable recorded investment
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due 90 days or greater and still accruing
Accruing loans contractually past due 90 days or more as to principal or interest payments
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing
Non-accrual loans, total
Financing Receivable, Recorded Investment, Nonaccrual Status
Loan loss allowances
Loan loss allowances, impaired financing receivable, evaluated individually or collectively
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment, Allowance
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment
Loan portfolio by credit quality indicator
Financing Receivable, Recorded Investment [Line Items]
Past due 30-59 days
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due
Loans accounted for as troubled debt restructuring
Financing Receivable, Modifications, Recorded Investment
Class of Financing Receivable [Domain]
Past due 90 days or greater
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due
Past due 60-89 days
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due
Loan loss allowances, impaired financing receivable
Financing Receivable, Impaired [Line Items]
Loans individually evaluated for impairment, Recorded Investment
Financing Receivable, Individually Evaluated for Impairment
Loans, current
Financing Receivable, Recorded Investment, Current
Summary of the loan portfolio by credit quality indicator, by loan class
Financing Receivable Credit Quality Indicators [Table Text Block]
Class of Financing Receivable [Axis]
Past due, total
Financing Receivable, Recorded Investment, Past Due
Loans collectively evaluated for impairment, Recorded Investment
Financing Receivable, Collectively Evaluated for Impairment
Loans collectively evaluated for impairment, Allowance
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment
Carrying Amount
Finite-Lived Intangible Assets, Gross
2018
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Identified intangible assets
Finite-Lived Intangible Assets [Line Items]
2016
Finite-Lived Intangible Assets, Amortization Expense, Year Three
Estimated amortization expense for each of the five succeeding fiscal years and thereafter
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Total
Finite-Lived Intangible Assets, Net
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets by Major Class [Axis]
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
2014
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
2017
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2015
Finite-Lived Intangible Assets, Amortization Expense, Year Two
Total
Gain on sale of bank premises and equipment
Gain (Loss) on Disposition of Property Plant Equipment
Investment securities transactions, net
Investment securities transactions, net
Gain (Loss) on Sale of Securities, Net
Gain on sale of other real estate owned
Gains (Losses) on Sales of Other Real Estate
Goodwill and Identified Intangible Assets
Goodwill and Intangible Assets, Policy [Policy Text Block]
Goodwill impairment loss
Goodwill, Impairment Loss
Goodwill
Goodwill
Goodwill and Other Intangible Assets
Goodwill and Intangible Assets Disclosure [Text Block]
Goodwill and Other Intangible Assets
Changes in carrying amount of goodwill
Goodwill, Period Increase (Decrease)
Guarantee obligations, maximum exposure
Guarantor Obligations, Maximum Exposure, Undiscounted
Held-to-maturity debt securities, Estimated fair value disclosures
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Due in one year or less, held-to-maturity debt securities, Estimated fair value
Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value
Held-to-maturity securities
Held-to-maturity Securities, Classified [Abstract]
Due after one year through five years, held-to-maturity debt securities, Estimated fair value
Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value
Held-to-maturity debt securities amortized cost disclosures
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Amortized Cost
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment
Amortized cost, held-to-maturity debt securities
Held-to-maturity (Market value of $2,400 on March 31, 2014 and $2,400 on December 31, 2013)
Carrying Value
Held-to-maturity Securities
Due after one year through five years, held-to-maturity debt securities amortized cost
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount
Held-to-maturity securities, debt maturities disclosures
Held-to-maturity Securities, Debt Maturities [Abstract]
Due in one year or less, held-to-maturity debt securities amortized cost
Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount
Held to maturity, Market value (in dollars)
Estimated Fair Value
Held-to-maturity Securities, Fair Value
Impaired Loans
Impaired Financing Receivable, Policy [Policy Text Block]
Interest Recognized
Impaired Financing Receivable, Interest Income, Accrual Method [Abstract]
Total impaired loans with no related allowance recorded
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method
Total impaired loans with an allowance recorded
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment
Average recorded investment:
Impaired Financing Receivable, Average Recorded Investment [Abstract]
Unpaid principal balance:
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired loans, by loan class
Impaired Financing Receivables [Table Text Block]
Total impaired loans with related allowance
Impaired Financing Receivable, with Related Allowance, Recorded Investment
Total impaired loans with an allowance recorded
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method
Total impaired loans with no related allowance recorded
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance
Total impaired loans with no related allowance
Impaired Financing Receivable, with No Related Allowance, Recorded Investment
Related Allowance
Impaired Financing Receivable, Related Allowance
Total impaired loans with no related allowance recorded
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment
Total impaired loans with an allowance recorded
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance
Recorded investment:
Impaired Financing Receivable, Recorded Investment [Abstract]
Impairment of Long-Lived Assets
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Impairment of identified intangible assets
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)
Earnings from affiliates and other investments
Equity in undistributed net income of subsidiaries
Equity in undistributed net income of subsidiaries
Income (Loss) from Equity Method Investments
Consolidated Statements of Income
Income before income taxes
Income before federal income taxes and equity in undistributed net income of subsidiaries
Income before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Income Taxes
Income Taxes
Income Tax Disclosure [Text Block]
Refund from Texas State Comptroller based on exam of consolidated Franchise Tax return
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority
Provision for income taxes
Total income taxes
Income tax expense (benefit)
Income Tax Expense (Benefit)
Tax refunds
Effective Income Tax Rate Reconciliation, Deduction, Amount
Reasons for the difference of income tax expense
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income taxes paid
Income Taxes Paid
Computed expected tax expense
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Income Taxes
Income Tax, Policy [Policy Text Block]
State tax, net of federal income taxes and tax credit
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Other
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Tax-exempt interest income
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount
Decrease in accrued interest receivable
Increase (Decrease) in Accrued Interest Receivable, Net
Net decrease in other borrowed funds
Increase (Decrease) in Loans from Federal Home Loan Banks
Net increase in other liabilities
Increase (Decrease) in Other Operating Liabilities
Net decrease (increase) in notes receivable
Increase (Decrease) in Notes Receivables
Net (increase) decrease in other assets
Increase (Decrease) in Other Operating Assets
Net decrease in time deposits
Increase (Decrease) in Time Deposits
Increase (decrease) in shareholders' equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Debt Security Category [Axis]
Identified intangible assets, net
Total identified intangibles, Net
Intangible Assets, Net (Excluding Goodwill)
Interest income:
Interest and Dividend Income, Operating [Abstract]
Loans, including fees
Interest and Fee Income, Loans and Leases
Interest income on other investments
Interest and Dividend Income, Securities, Operating, Available-for-sale
Interest expense:
Interest Expense [Abstract]
Total interest expense
Interest expense
Interest Expense
Total interest income
Revenues
Interest income
Interest and Dividend Income, Operating
Revenues
Interest and Fee Income, Loans, Foreign
Investment securities:
Interest and Dividend Income, Securities, by Taxable Status [Abstract]
Time, certificates of deposit
Interest Expense, Time Deposits [Abstract]
Savings and interest bearing demand
Interest Expense, NOW Accounts, Money Market Accounts, and Savings Deposits [Abstract]
Savings deposits
Total savings and interest bearing demand
Interest Expense, NOW Accounts, Money Market Accounts, and Savings Deposits
Total interest expense on deposits
Interest Expense, Deposits
Junior subordinated interest deferrable debentures
Interest expense (Debentures)
Interest Expense, Junior Subordinated Debentures
Securities sold under repurchase agreements
Interest Expense, Securities Sold under Agreements to Repurchase
Time deposits
Total time, certificates of deposit
Interest Expense, Time Deposits
Net interest income
Net interest income
Interest Income (Expense), Net
Net interest income after provision for probable loan losses
Interest Income (Expense), after Provision for Loan Loss
Savings and interest bearing demand
Interest-bearing Deposit Liabilities [Abstract]
Foreign
Interest-bearing Deposit Liabilities, Foreign
Interest paid
Interest Paid
Accrued interest receivable
Interest Receivable
Taxable
Interest Income, Securities, Operating, Taxable
Savings and interest bearing demand
Total savings and interest bearing demand
Interest-bearing Deposit Liabilities
Domestic
Interest-bearing Deposit Liabilities, Domestic
Tax-exempt
Interest Income, Securities, Operating, Tax Exempt
Internal Credit Assessment [Axis]
Internal Credit Assessment [Domain]
Investment Securities
Investment, Policy [Policy Text Block]
Amortized cost and fair value of investment securities, by contractual maturity
Investments Classified by Contractual Maturity Date [Table Text Block]
Investment Securities
Investment Securities
Investments [Abstract]
Investment Securities
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Junior subordinated deferrable interest debentures
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust
Junior Subordinated Deferrable Interest Debentures
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust [Abstract]
Outstanding standby and commercial letters of credit
Unsecured letters of credit
Letters of Credit Outstanding, Amount
Employee compensation and benefits
Labor and Related Expense
Land
Land [Member]
Total liabilities and shareholders' equity
Liabilities and Equity
Liabilities:
Liabilities [Abstract]
Total liabilities
Liabilities
Liabilities and Shareholders' Equity
Liabilities and Equity [Abstract]
Credit card lines
Line of Credit [Member]
Litigation expense
Litigation Settlement, Expense
Others
Loans and Leases Receivable, Gross, Foreign, Commercial and Consumer, Other
Commercial
Loans and Leases Receivable, Gross, Foreign, Commercial
Carrying amount of fixed rate performing loans
Loans Receivable with Fixed Rates of Interest
Provision and Allowance for Probable Loan Losses
Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]
Less allowance for probable loan losses
Balance at the beginning of the period
Balance at the end of the period
Loans and Leases Receivable, Allowance
Loans
Portfolio, total
Total loans
Loans and Leases Receivable, Net of Deferred Income
Summary of net loans
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Net loans
Loans and Leases Receivable, Net Amount
Non-Accrual Loans
Loans and Leases Receivable, Nonperforming Loan and Lease, Policy [Policy Text Block]
Loans
Loans and Leases Receivable, Net Amount [Abstract]
Net loans
Loans and Leases Receivable, Net Amount, Foreign
Loans
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Total loans
Loans and Leases Receivable, Foreign, Net of Deferred Income
Loans:
Loans Receivable, Net [Abstract]
Less allowance for probable loan losses
Loans and Leases Receivable, Foreign, Allowance
Federal Home Loan Bank advances long-term
Long-term Debt [Member]
Loss Contingency, Nature [Domain]
Loss Contingencies [Table]
Loss contingency, amount
Loss Contingency, Damages Sought, Value
Commitments and Contingent Liabilities and Other Tax Matters, details
Loss Contingencies [Line Items]
Loss Contingency Nature [Axis]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Domain]
Total investment securities
Marketable Securities
Investment securities:
Marketable Securities [Abstract]
Overnight agreements
Maturity Overnight [Member]
1 to 29 days
Maturity up to 30 days [Member]
Over 90 days
Maturity over 90 days [Member]
30 to 90 days
Maturity 30 to 90 Days [Member]
Maximum
Maximum [Member]
Minimum
Minimum [Member]
Mortgage-backed securities by non-government entities
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Residential mortgage-backed securities
Collateralized Mortgage Backed Securities [Member]
Watch List - Impaired
Nonperforming Financing Receivable [Member]
Financing activities:
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Operating activities:
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Increase (decrease) in cash and cash equivalents
(Decrease) increase in cash
Net Cash Provided by (Used in) Continuing Operations
Net income available to common shareholders
Net Income (Numerator)
Net income available to common shareholders
Net Income (Loss) Available to Common Stockholders, Basic
Net cash provided by operating activities
Decrease in cash provided by operating activities due to reclassification adjustment
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities, Continuing Operations
Net cash provided by investing activities
Increase in cash provided by investing activities due to reclassification adjustment
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Investing activities:
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Net income
Net income
Net Income
Net Income (Loss) Attributable to Parent
New Accounting Standards
New Accounting Pronouncements, Policy [Policy Text Block]
Demand - non-interest bearing
Total demand non-interest bearing
Noninterest-bearing Deposit Liabilities
Total non-interest expense
Non-interest expense
Noninterest Expense
Other income
Noninterest Income, Other Operating Income
Total non-interest income
Non-interest income
Noninterest Income
Other investments, net
Noninterest Income, Other
Non-interest income:
Noninterest Income [Abstract]
Foreign
Noninterest-bearing Deposit Liabilities, Foreign
Non-interest expense:
Noninterest Expense [Abstract]
Domestic
Noninterest-bearing Deposit Liabilities, Domestic
Demand non-interest bearing
Noninterest-bearing Deposit Liabilities [Abstract]
Notes receivable
Financing Receivable, Net
Number of operating segments
Number of Operating Segments
Number of in store branches being closed
Number of Stores
Occupancy
Occupancy, Net
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Future minimum lease payments due under non-cancellable operating leases
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017
Operating Leases, Future Minimum Payments, Due in Four Years
Total expenses
Operating Expenses
2018
Operating Leases, Future Minimum Payments, Due in Five Years
2016
Operating Leases, Future Minimum Payments, Due in Three Years
Total rental expense
Operating Leases, Rent Expense, Net
2014
Operating Leases, Future Minimum Payments Due, Next Twelve Months
Aggregate future minimum rentals to be received under non-cancellable sub-leases
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals
2015
Operating Leases, Future Minimum Payments, Due in Two Years
Total
Operating Leases, Future Minimum Payments Due
Specific reserve, other real estate owned
Other Real Estate, Covered, Valuation Adjustments
Reconciliation of credit-related impairment charges on investments recognized in earnings
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Credit-related impairment charges on investments recognized in earnings
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Impairment charges, other comprehensive (loss) income
Other Comprehensive Income (Loss), before Tax
Reclassification adjustment for impairment charges on available for sale securities included in net income, tax effects
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Tax
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]
Reclassification adjustment for impairment charges on available for sale securities included in net income (tax effects of $31 and $108)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax
Reclassification adjustment for gains on securities available for sale included in net income, tax effects
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
Reclassification adjustment for gains on securities available for sale included in net income (tax effects of $(2,838) and $(3,360))
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
Impairment charges on available-for-sale investment securities
Gain on investment securities transactions, net
Impairment charges on available for sale securities
Impairment charges (Total other-than-temporary impairment charges, $32 net of $(122), and $968, net of $658, included in other comprehensive loss)
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net
Balance at the beginning
Balance at the end
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
Reconciliation of credit-related impairment charges on available-for-sale investment
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]
Other assets
Other Assets
Impairment charges recognized in earnings during period
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses
Other Assets [Abstract]
Non-financial assets:
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax
Net unrealized holding gains (losses) on securities available for sale arising during period (tax effects of $13,616 and $(5,143))
Net unrealized holding gains (losses) on securities available for sale arising during period, tax effects
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax
Other
Other Income
Other securities
Other Debt Obligations [Member]
Other
Other Expenses
Other interest income
Other Interest and Dividend Income
Other investments
Other Long-term Investments
Other
Other Noninterest Expense
Other liabilities
Other Liabilities
Net expense, other real estate owned
Other Revenue (Expense) from Real Estate Operations
Other Real Estate Owned
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Other comprehensive income (loss), net of tax:
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Other comprehensive income, net of tax:
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Products and Services [Domain]
Information regarding the aging of past due loans, by loan class
Past Due Financing Receivables [Table Text Block]
Pass
Pass [Member]
Parent Company
Consolidated
Parent Company [Member]
Repayment of trust preferred securities
Payments for Repurchase of Trust Preferred Securities
Purchases of treasury stock
Payments for Repurchase of Common Stock
Payments for Repurchase of Preferred Stock and Preference Stock
Redemption of Series A preferred shares
Redemption of senior preferred shares
Redemption of preferred shares
Net increase in loans
Payments for (Proceeds from) Loans and Leases
Payments of dividends on preferred stock
Preferred stock dividends to the U.S. Treasury
Payments of Ordinary Dividends, Preferred Stock and Preference Stock
Purchases of available for sale securities
Payments to Acquire Available-for-sale Securities
Payments of cash dividends - common
Payments of Ordinary Dividends, Common Stock
Purchases of bank premises and equipment
Payments to Acquire Property, Plant, and Equipment
Purchases of other investments
Payments to Acquire Other Investments
Purchase of identified intangible asset
Payments to Acquire Intangible Assets
Plan Name [Domain]
Plan Name [Axis]
Series A cumulative perpetual preferred shares, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Series A cumulative perpetual preferred shares, per share liquidation value (in dollars per share)
Preferred Stock, Liquidation Preference Per Share
Preferred stock, Rate (as a percent)
Preferred Stock, Dividend Rate, Percentage
Series A cumulative perpetual preferred shares, discount (in dollars)
Preferred Stock, Discount on Shares
Series A cumulative perpetual preferred shares, $.01 par value, $1,000 per share liquidation value. Authorized 25,000,000 shares; issued 0 shares on December 31, 2012, net of discount of $0 and 216,000 shares on December 31, 2011, net of discount of $5,452
Series A cumulative perpetual preferred shares, value
Preferred shares
Preferred Stock, Value, Issued
Series A cumulative perpetual preferred shares, issued
Preferred Stock, Shares Issued
Series A cumulative perpetual preferred shares, Authorized shares
Preferred Stock, Shares Authorized
Preferred stock dividends
Preferred Stock Dividends, Income Statement Impact
Series A cumulative perpetual preferred shares, aggregate liquidation value
Preferred Stock, Liquidation Preference, Value
Series A cumulative perpetual preferred shares, outstanding
Preferred Stock, Shares Outstanding
Preferred Stock
Preferred Stock [Member]
Reclassifications
Reclassifications
Reclassification, Policy [Policy Text Block]
Net decrease in securities sold under repurchase agreements
Proceeds from (Payments for) in Securities Sold under Agreements to Repurchase
Proceeds from stock transactions
Proceeds from Issuance or Sale of Equity
Proceeds from Maturities, Prepayments and Calls of Other Investments
Proceeds from maturities of securities
Principal collected on mortgage-backed securities
Principal collected on mortgage-backed securities
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities
Proceeds from sales of mortgage-backed securities
Proceeds from Sale of Mortgage Backed Securities (MBS) categorized as Available-for-sale
Proceeds from sales and calls of available for sale securities
Proceeds from sales of available for sale securities
Proceeds from Sale of Available-for-sale Securities
Proceeds from sales of other real estate owned
Proceeds from Sale of Other Real Estate
Proceeds from sale of bank premises and equipment
Proceeds from Sale of Property, Plant, and Equipment
Products and Services [Axis]
Professional fees
Professional Fees
Estimated useful lives
Property, Plant and Equipment, Useful Life
Bank premises and equipment, gross
Property, Plant and Equipment, Gross
Bank Premises and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Bank premises and equipment, net
Bank premises and equipment, net
Property, Plant and Equipment, Net
Bank Premises and Equipment
Summary of bank premises and equipment, by asset classification
Property, Plant and Equipment [Table Text Block]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Axis]
Bank Premises and Equipment
Property, Plant and Equipment Disclosure [Text Block]
Bank premises and equipment
Property, Plant and Equipment [Line Items]
Provision for probable loan losses
Provision charged to operations
Provision for Loan and Lease Losses
Charges to allowance for probable loan losses in connection with other real estate owned
Range [Axis]
Range [Domain]
Receivable [Domain]
Loans
Capital Ratios
Regulatory Capital Requirements under Banking Regulations [Text Block]
Transactions with Related Parties
Related Party Transactions Disclosure [Text Block]
Aggregate amount receivable from related parties
Related Party Transaction, Due from (to) Related Party
Transactions with Related Parties
Redemption of long-term debt
Repayments of Long-term Debt
Retirement of capital securities
Repayments of Debt
Securities Sold Under Repurchase Agreements
Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]
Real estate - mortgage
Residential Mortgage [Member]
Restricted Stock Units (RSUs)
Restricted Stock Units (RSUs) [Member]
Estimated combined charges of restructuring plan before tax
Restructuring and Related Cost, Expected Cost
Retained Earnings
Retained Earnings [Member]
Retained earnings
Retained Earnings (Accumulated Deficit)
Watch List - Substandard
Substandard [Member]
Total fair value of stock options vested
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
Non-vested Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Options fully vested and exercisable at the end, aggregate intrinsic value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Expected Life
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Weighted average grant-date fair value, non-vested options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Maximum exercisable period for options granted
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Options fully vested and exercisable at the end, weighted average remaining contractual term
Options outstanding at the end, weighted average remaining contractual term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Schedule of estimated amortization expense for each of the five succeeding fiscal years and thereafter
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of Financing Receivable, Allowance for Credit Losses [Table]
Summary of the transactions in the allowance for probable loan losses by loan class
Schedule of Credit Losses Related to Financing Receivables, Current and Noncurrent [Table Text Block]
Loans accounted on non-accrual basis, by loan class
Schedule of Financing Receivables, Non Accrual Status [Table Text Block]
Schedule of Impaired Financing Receivable [Table]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Assets and liabilities measured at fair value on a recurring basis
Summary of option activity under stock option plan
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of other information pertaining to option activity
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block]
Schedule of Black-Scholes-Merton option valuation model assumptions
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of current and deferred portions of net income tax expense
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table]
Schedule of income tax expense differences from the amount computed by applying the U.S. Federal income tax rate to income before income taxes
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of tax effects of temporary difference that give rise to significant portions of the deferred tax assets and deferred tax liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Financing Receivables Past Due [Table]
Schedule of Assets Sold under Agreements to Repurchase [Table]
Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table]
Schedule of future minimum lease payments due under non-cancellable operating leases
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of calculation of the basic EPS and the diluted EPS
Schedule of Unrealized Loss on Investments [Table Text Block]
Gross unrealized losses on investment securities and the related fair value
Investment securities disclosures
Schedule of Investments [Line Items]
Schedule of the entity's indentified intangible assets
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table]
Schedule of the Company's and the bank subsidiaries' actual capital amounts and ratios
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]
Condensed Financial Statements [Table]
Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table]
Schedule of financial amounts of instruments, whose contract amounts represent credit risks
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]
Schedule of Fair Value, Off-balance Sheet Risks [Table]
Schedule of repurchase agreements
Schedule of Repurchase Agreements [Table Text Block]
Property, Plant and Equipment [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Summary of loans, by loan type
Securities sold under repurchase agreements
Securities Sold under Agreements to Repurchase
Repurchase Borrowing, Balance of Liability
Securities Sold Under Repurchase Agreements
Estimated fair value of long-term repurchase agreements
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure
Segments of an Enterprise and Related Information
Segment Reporting [Abstract]
Segments of an Enterprise and Related Information
Segment Reporting, Policy [Policy Text Block]
Stock options, weighted average exercise price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Plus: Options granted, weighted average exercise price (in dollars per share)
Options forfeited, weighted average exercise price (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Stock based compensation expense
Stock compensation expense
Share-based Compensation
Plus: Options granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Long-Term Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option details
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Options expired, weighted average exercise price (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Options exercised, weighted average exercise price (in dollars per share)
Options fully vested and exercisable at the end, weighted average exercise price (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Dividend yield (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Options expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Options forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Options fully vested and exercisable at the end of the period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Stock options, weighted average remaining contractual term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Shares available for future grants
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Total intrinsic value of stock options exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Volatility (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Interest rate (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Black-Scholes-Merton option valuation model assumptions
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Weighted average grant date fair value of stock options granted (in dollars per share)
Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Options outstanding at the beginning, weighted average exercise price (in dollars per share)
Options outstanding at the end, weighted average exercise price (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Stock Options
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Options outstanding at the end of the period (in shares)
Options outstanding at the beginning of the period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Options outstanding at the end, aggregate intrinsic value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Stock option activity
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Equity Award [Domain]
Balance (in shares)
Balance (in shares)
Shares, Issued
Federal Home Loan Bank advances short-term
Short-term Debt [Member]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Special Review
Special Mention [Member]
Standby letters of credit
Standby Letters of Credit [Member]
Statement [Table]
Statement
Statement [Line Items]
Consolidated Statements of Shareholders' Equity
Consolidated Statements of Cash Flows
Equity Components [Axis]
Consolidated Statements of Comprehensive Income
Consolidated Statements of Condition
Stock Issued During Period, Shares, Period Increase (Decrease)
Redemption of Series A Preferred Shares (216,000 shares for the year ended December 31, 2012)
Stock Redeemed or Called During Period, Value
Redemption of Series A Preferred Shares
Stock Redeemed or Called During Period, Shares
Repurchase of common stock, authorized amount
Stock Repurchase Program, Authorized Amount
Exercise of stock options
Stock Issued During Period, Value, Stock Options Exercised
Period of repurchase of common stock
Stock Repurchase Program, Period in Force
Options exercised (in shares)
Exercise of stock options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Senior Preferred Stock held by Treasury repurchased (in shares)
Stock Repurchased During Period, Shares
Shareholders' equity:
Stockholders' Equity Attributable to Parent [Abstract]
Stockholders' Equity, Period Increase (Decrease)
Total shareholders' equity before treasury stock
Stockholders' Equity before Treasury Stock
Total shareholders' equity
Balance
Balance
Stockholders' Equity Attributable to Parent
Common Stock and Dividends
Common Stock and Dividends
Stockholders' Equity Note Disclosure [Text Block]
Junior Subordinated Interest Deferrable Debentures
Subordinated Borrowings Disclosure [Text Block]
Junior Subordinated Interest Deferrable Debentures
Subsequent Events
Subsequent Events, Policy [Policy Text Block]
Supplemental cash flow information:
Supplemental Cash Flow Information [Abstract]
Period of charge off for past due unsecured commercial loans
Threshold Period Past Due for Write-off of Financing Receivable
Tier 1 Capital (to Average Assets), To Be well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent)
Tier One Leverage Capital Required to be Well Capitalized to Average Assets
Tier 1 Capital (to Average Assets), Actual Ratio (as a percent)
Tier One Leverage Capital to Average Assets
Tier 1 Capital (to Risk Weighted Assets), Actual Amount
Tier One Risk Based Capital
Tier 1 Capital (to Average Assets), Actual Amount
Tier One Leverage Capital
Tier 1 Capital (to Risk Weighted Assets), Actual Ratio (as a percent)
Tier One Risk Based Capital to Risk Weighted Assets
Tier 1 Capital (to Risk Weighted Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio (as a percent)
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets
Tier 1 Capital (to Average Assets), For Capital Adequacy Purposes Amount
Tier One Leverage Capital Required for Capital Adequacy
Tier 1 Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Amount
Tier One Risk Based Capital Required for Capital Adequacy
Tier 1 Capital (to Average Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount
Tier One Leverage Capital Required to be Well Capitalized
Tier 1 Capital (to Average Assets), For Capital Adequacy Purposes Ratio (as a percent)
Tier One Leverage Capital Required for Capital Adequacy to Average Assets
Tier 1 Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Ratio (as a percent)
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets
Tier One Risk Based Capital Required to be Well Capitalized
Tier 1 Capital (to Risk Weighted Assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount
Domestic
Time Deposits, $100,000 or More, Domestic
Time, certificates of deposit
Time Deposits [Abstract]
2018
Time Deposit Maturities, Year Five
Total time, certificates of deposit
Time
Carrying amount of time deposits
Time Deposits
$100,000 or more
Time Deposits, $100,000 or More [Abstract]
Scheduled maturities of time deposits
Time Deposits, Fiscal Year Maturity [Abstract]
2016
Time Deposit Maturities, Year Three
Total
Time Deposits, $100,000 or More
Thereafter
Time Deposit Maturities, after Year Five
Foreign
Time Deposits, $100,000 or More, Foreign
2015
Time Deposit Maturities, Year Two
2014
Time Deposit Maturities, Next Twelve Months
2017
Time Deposit Maturities, Year Four
Net transfer from loans to other real estate owned
Real Estate Owned, Transfer from Real Estate Owned
Financial Instruments [Domain]
Accounting for Transfers and Servicing of Financial Assets
Transfers and Servicing of Financial Assets, Policy [Policy Text Block]
Purchase of treasury stock (95,466 and 425,655 shares for the year ended December 31, 2012 and 2011, respectively)
Treasury Stock, Value, Acquired, Cost Method
Purchase of treasury stock (in shares)
Treasury Stock, Shares, Acquired
Treasury, shares
Repurchased shares from U.S. Treasury
Treasury Stock, Shares
Treasury Stock
Treasury Stock [Member]
Less cost of shares in treasury, 28,787,389 shares on March 31, 2014 and 28,537,180 December 31, 2013
Payment to U.S. Treasury for repurchased shares
Less cost of shares in treasury
Treasury Stock, Value
Type of Deferred Compensation, All Types [Domain]
Class of financing receivable
Unallocated Financing Receivables [Member]
Penalties related to uncertain tax positions
Unrecognized Tax Benefits, Income Tax Penalties Expense
Interest expense related to uncertain tax positions
Unrecognized Tax Benefits, Interest on Income Taxes Expense
Liability for unrecognized tax benefits
Unrecognized Tax Benefits
Mortgage-backed securities by Ginnie Mae
US Government Corporations and Agencies Securities [Member]
Obligations of states and political subdivisions
States and political subdivisions
US States and Political Subdivisions Debt Securities [Member]
Potential dilutive common shares
Weighted Average Number Diluted Shares Outstanding Adjustment
Weighted average number of shares outstanding: (in shares)
Shares (Denominator)
Weighted Average Number of Shares Outstanding, Basic
Shares (Denominator)
Weighted average number of shares outstanding: (in shares)
Weighted Average Number of Shares Outstanding, Diluted