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Unrealized Gain (Loss), before Tax Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount 90 Days or More Past Due 90 Days or More Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Small business finance Small business finance [Member] Small business finance [Member] Liabilities: Liabilities [Abstract] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Weighted average term increase from modifciation Financing Receivable, Modified, Weighted Average Term Increase from Modification Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Demand, savings and money market deposits Deposits, Money Market Deposits and Negotiable Order of Withdrawal (NOW) Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default Financing Receivable, 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Province Substandard Substandard [Member] Total interest income Interest and Dividend Income, Operating Special mention Special Mention [Member] Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Percent of Total Loans Financing Receivable, before Allowance for Credit Loss, to Total, Percent Loans, net Loans Receivable, Fair Value Disclosure Derivative Asset (Liability), Fair Value, Amount Not Offset Against Collateral Derivative Asset (Liability), Fair Value, Amount Not Offset Against Collateral Derivative Asset (Liability), Fair Value, Amount Not Offset Against Collateral Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Commercial Real Estate Portfolio Segment [Member] Commercial Real Estate Portfolio Segment [Member] Dividends paid Payments of Ordinary Dividends, Common Stock Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in 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Term Extension and Other than Insignificant Payment Delays Extended Maturity and Payment Deferral [Member] Extended Maturity and Payment Deferral ASSETS Assets: Assets [Abstract] Net change in unrealized gains (losses) on investment securities available for sale Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Debt-to-Value [Domain] Debt-to-Value [Domain] Fair Value Measurements Fair Value Disclosures [Text Block] Stockholders' equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit 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Recognized, Derivative assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Government insured residential Government Insured Residential [Member] Government Insured Residential Amortization and accretion, net Depreciation, Amortization and Accretion, Net Fair Value as of Grant Date Award Grant Date Fair Value Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Originated, four years before current Fiscal year Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Financing Receivable, Modified, Subsequent Default [Line Items] Financing Receivable, Modified, Subsequent 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NEW YORK STOCK EXCHANGE, INC. 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