Investments, Debt and Equity Securities [Abstract] Amortized Cost and Fair Values of Investment Securities Available-for-sale Available-for-sale Securities [Table Text Block] Amortized Cost and Fair Values of Debt Securities by Maturity Held-to-maturity Securities [Table Text Block] Investments in an Unrealized Loss Position Investments Classified by Contractual Maturity Date [Table Text Block] Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Unrealized gains (losses) on available for-sale securities Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Defined benefit pension plan items Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] AOCI attributable to parent AOCI Attributable to Parent [Member] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (AOCI) AOCI Attributable to Parent, Net of Tax [Roll Forward] Beginning balance Stockholders' Equity Attributable to Parent Other comprehensive loss before reclassification OCI, before Reclassifications, Net of Tax, Attributable to Parent Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Ending balance Condensed Financial Information of Parent Company Only Disclosure [Abstract] CONDENSED FINANCIAL STATEMENTS OF PARENT COMPANY Condensed Financial Information of Parent Company Only Disclosure [Text Block] Receivables [Abstract] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Class of Financing Receivable, Type of Borrower [Axis] Class of Financing Receivable, Type of Borrower [Axis] Class of Financing Receivable, Type of Borrower [Domain] Class of Financing Receivable, Type of Borrower [Domain] Borrower One Borrower One [Member] Represents the information pertaining to borrower one. Commercial Borrower One Commercial Borrower One [Member] Commercial Borrower One [Member] Commercial Borrower Two Commercial Borrower Two [Member] Commercial Borrower Two [Member] Accrual Status [Axis] Accrual Status [Axis] Accrual Status [Axis] Accrual Status [Domain] Accrual Status [Domain] [Domain] for Accrual Status [Axis] Accruing Accruing [Member] Accruing [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Portfolio Risk Portfolio Risk [Member] Portfolio Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Troubled Debt Restructured Loans Troubled Debt Restructured Loans [Member] Troubled Debt Restructured Loans [Member] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Commercial Commercial Portfolio Segment [Member] Residential Residential Portfolio Segment [Member] Home Equity Home Equity Loan [Member] Consumer Consumer Portfolio Segment [Member] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Domain] Class of Financing Receivable, Type [Domain] Commercial Business Commercial Loan [Member] Commercial Real Estate Commercial Real Estate [Member] Acquisition & Development Commercial Acquisition And Development [Member] Represents the loans categorized as acquisition and development by the reporting entity. Details related to loans identified as Troubled Debt Restructurings (TDRs): Financing Receivable, Modifications [Line Items] Specific reserve allocations for TDR's Specific Reserve Allocations for Troubled Debt Restructurings Represents specific reserve allocations for troubled debt restructurings. Troubled debt restructuring loans Financing Receivable, Modifications, Recorded Investment Concentration risk, percentage Concentration Risk, Percentage Loans defaulted under the restructured terms Financing Receivable, Modifications, Subsequent Default, Recorded Investment Number of restructured loans Financing Receivable, Modifications, Subsequent Default, Number of Contracts Number of borrowers defaulted Number Of Borrowers Defaulted Represents the number of borrowers defaulted. Number of additional restructured loans Financing Receivable Modifications Subsequent Default Additional Number Of Contracts Additional number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. Number of Contracts Financing Receivable, Modifications, Number of Contracts Pre-Modification Outstanding Recorded Investment Financing Receivable, Modifications, Pre-Modification Recorded Investment Post-Modification Outstanding Recorded Investment Financing Receivable, Modifications, Post-Modification Recorded Investment Income Tax Disclosure [Abstract] Provisions for income taxes Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Total current Current Income Tax Expense (Benefit) Deferred expense (benefit) Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Total deferred expense (benefit) Deferred Income Tax Expense (Benefit) Income tax expense (benefit) Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Impaired loans Impaired Financing Receivable [Member] Details pertaining to impaired financing receivables. Other real estate owned Other Real Estate Owned [Member] Represents details pertaining to other real estate owned. Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level III Fair Value, Inputs, Level 3 [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Non-recurring Fair Value, Measurements, Nonrecurring [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets, fair value Assets, Fair Value Disclosure Accounting Policies [Abstract] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Operating Segments Segment Reporting, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Management Estimates Use of Estimates, Policy [Policy Text Block] Investment Securities Marketable Securities, Policy [Policy Text Block] Loans Held for Sale Finance, Loan and Lease Receivables, Held-for-sale, Policy [Policy Text Block] Loans and Allowance for Loan Losses Finance, Loans and Leases Receivable, Policy [Policy Text Block] Troubled Debt Restructurings (TDRs) Loans and Leases Receivable, Troubled Debt Restructuring Policy [Policy Text Block] Interest Rate Lock Commitments and Forward Sales Commitment Derivatives, Policy [Policy Text Block] Interest Rate Cap Interest Rate Cap, Policy [Policy Text Block] Disclosure of accounting policy for interest rate cap. Interest Rate Swap Interest Rate Swap [Policy Text Block] Disclosure of accounting policy for the interest rate swap. Mortgage Servicing Rights Transfers and Servicing of Financial Assets, Servicing of Financial Assets, Policy [Policy Text Block] Premises and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Intangible Assets and Goodwill Goodwill and Intangible Assets, Policy [Policy Text Block] Restricted Bank Stock Restricted Bank Stock Policy [Policy Text Block] Disclosure of accounting policy for restricted bank stock. Foreclosed Assets Held for Resale Loans and Leases Receivable, Real Estate Acquired Through Foreclosure, Policy [Policy Text Block] Bank-owned life insurance Bank Owned Life Insurance Policy [Policy Text Block] Disclosure of accounting policy for life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy. Income Taxes Income Tax, Policy [Policy Text Block] Stock Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Comprehensive Income Comprehensive Income, Policy [Policy Text Block] Marketing Costs Marketing Costs Policy TextBlock [Policy Text Block] Disclosure of accounting policy for marketing costs. Transfers of Financial Assets Transfers and Servicing of Financial Assets, Policy [Policy Text Block] Reclassifications Reclassification, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Financing Receivables Past Due [Table] Schedule of Financing Receivables Past Due [Table] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Domain] Financing Receivables, Period Past Due [Domain] Financing Receivables, 30 to 59 Days Past Due Financing Receivables, 30 to 59 Days Past Due [Member] Financing Receivables, 60 to 89 Days Past Due Financing Receivables, 60 to 89 Days Past Due [Member] Financing Receivables, Equal to Greater than 90 Days Past Due Financing Receivables, Equal to Greater than 90 Days Past Due [Member] Aging categories of performing loans and nonaccrual loans Financing Receivable, Recorded Investment, Past Due [Line Items] Current Financing Receivable, Recorded Investment, Current Total Past Due Financing Receivable, Recorded Investment, Past Due Total Loans Loans and Leases Receivable, Net of Deferred Income Non-Accrual Financing Receivable, Recorded Investment, Nonaccrual Status 90 Days Still Accruing Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing Increased amount of interest income on loans Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans Allowance for loan losses, number of evaluation components Allowance for Loan Losses, Number of Evaluation Components Allowance for Loan Losses, Number of Evaluation Components Impaired loans collectively evaluated Loans And Leases Receivable, Impaired, Collectively Evaluated For Impairment By Allocation Rates Derived From Historical Impaired Loan Losses Loans And Leases Receivable, Impaired, Collectively Evaluated For Impairment By Allocation Rates Derived From Historical Impaired Loan Losses Number of rolling quarters utilized in charge-off factor calculation Number of Rolling Quarters Utilized by Loan Portfolio Represents the number of rolling quarters utilized by loan portfolio. Liability for unfunded commitments Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Intercompany Eliminations Intersegment Eliminations [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Commercial & Retail Banking Commercial And Retail Banking Segment [Member] Represents information pertaining to the commercial and retail banking, a reportable segment of the entity. Mortgage Banking Mortgage Banking Segment [Member] Represents information pertaining to the mortgage banking, a reportable segment of the entity. Financial Holding Company Financial Holding Company [Member] Financial Holding Company [Member] Insurance Insurance Segment [Member] Represents information pertaining to the insurance, a reportable segment of the entity. Information About the Reportable Segments Segment Reporting Information [Line Items] Revenues: Revenues [Abstract] Interest income Interest and Dividend Income, Operating Mortgage fee income Mortgage Fee Income Represents the amount of mortgage fee income. Insurance and investment services income Insurance Commissions and Fees Other income Noninterest Income Excluding Income on Loans Held-for-sale and Insurance Income Represents the amount of noninterest income excluding income on loans held for sale and insurance income. Total operating income Operating Income The total amount of operating income recognized during the period. Expenses: Operating Expenses [Abstract] Interest expense Interest Expense Salary and employee benefits Labor and Related Expense Provision for loan losses Provision for Loan and Lease Losses Other expense Noninterest Expense Excluding Salaries and Employee Benefits Represents the amount of noninterest expense excluding salaries and employee benefits. Total operating expenses Operating Expenses Income from continuing operations, before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax expense - continuing operations Income Tax Expense (Benefit) Net Income from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Income from discontinued operations, before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Income tax expense - discontinued operations Discontinued Operation, Tax Effect of Discontinued Operation Net Income from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net Income Net Income (Loss) Attributable to Parent Preferred dividends Preferred Stock Dividends, Income Statement Impact Net Income available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Capital expenditures Payments to Acquire Property, Plant, and Equipment Total assets Assets Goodwill Goodwill Retirement Benefits [Abstract] Estimated Future Employer Contributions Defined Benefit Plan, Expected Future Employer Contributions [Abstract] Contributions for the period of 01/01/18 through 12/31/18 Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year Estimated future benefit payments reflecting expected future service Defined Benefit Plan, Expected Future Benefit Payment [Abstract] 2018 Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months 2019 Defined Benefit Plan, Expected Future Benefit Payment, Year Two 2020 Defined Benefit Plan, Expected Future Benefit Payment, Year Three 2021 Defined Benefit Plan, Expected Future Benefit Payment, Year Four 2022 Defined Benefit Plan, Expected Future Benefit Payment, Year Five 2023 through 2027 Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Weighted average assumptions used to determine the benefit obligation Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Components of net periodic pension cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amortization of prior service costs Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of net actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Net periodic pension cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Weighted average assumptions used to determine net periodic pension cost Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Expected long-term rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets INVESTMENT SECURITIES Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Stock option Employee Stock Option [Member] Information concerning stock options outstanding Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Options Outstanding Options Outstanding [Abstract] Options Outstanding [Abstract] Total Options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Weighted-Average Exercise Price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Weighted-Average Remaining Life Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term Options Exercisable Options Exercisable [Abstract] Options Exercisable [Abstract] Total Options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted-Average Exercise Price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Weighted-Average Remaining Life Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Condensed Income Statement [Table] Condensed Income Statement [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Company Parent Company [Member] Condensed Statements of income Condensed Income Statements, Captions [Line Items] Income - dividends from bank subsidiary Investment Income, Dividend Expenses - operating Income (loss) before income taxes and undistributed earnings - continuing operations Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income after tax from continuing operations Income (Loss) from Continuing Operations before Income (Loss) from Equity Method Investments Represents the income or loss from continuing operations, which may also be defined as revenue less expenses from ongoing operations, after income taxes, but before income or loss from equity method investments. Income before income taxes and undistributed earnings - discontinued operations Income tax - discontinued operations Equity in undistributed income earnings of subsidiaries Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Discontinued Operations and Disposal Groups [Abstract] Assets and Liabilities and Operations of Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] USI Insurance Services Usi Insurance Services [Member] Represents the information pertaining to the USI Insurance Services. Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Discontinued operations disposed of by sale Discontinued Operations, Disposed of by Sale [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] NONINTEREST INCOME Noninterest Income [Abstract] Insurance and investment services income Disposal Group, Including Discontinued Operation, Insurance and Investment Services Income Disposal Group, Including Discontinued Operation, Insurance and Investment Services Income Gain on sale of subsidiary Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Other operating income Disposal Group, Including Discontinued Operation, Other Operating Income Disposal Group, Including Discontinued Operation, Other Operating Income Total noninterest income Disposal Group, Including Discontinued Operation, Noninterest Income Disposal Group, Including Discontinued Operation, Noninterest Income NONINTEREST EXPENSES Noninterest Expense [Abstract] Salary and employee benefits Disposal Group, Including Discontinued Operation, Salary and Employee Benefits Disposal Group, Including Discontinued Operation, Salary and Employee Benefits Occupancy expense Disposal Group, Including Discontinued Operation, Occupancy Expense Disposal Group, Including Discontinued Operation, Occupancy Expense Equipment depreciation and maintenance Disposal Group, Including Discontinued Operation, Depreciation and Amortization Data processing and communications Disposal Group, Including Discontinued Operation, Data Processing and Communications Expense Disposal Group, Including Discontinued Operation, Data Processing and Communications Expense Marketing, contributions and sponsorships Disposal Group, Including Discontinued Operation, Marketing, Contributions, and Sponsorships Disposal Group, Including Discontinued Operation, Marketing, Contributions, and Sponsorships Professional fees Disposal Group, Including Discontinued Operation, Professional Fees Disposal Group, Including Discontinued Operation, Professional Fees Printing, postage and supplies Disposal Group, Including Discontinued Operation, Printing, Postage and Supplies Expense Disposal Group, Including Discontinued Operation, Printing, Postage and Supplies Expense Insurance, tax and assessment expense Disposal Group, Including Discontinued Operation, Insurance Tax and Assessment Expense Disposal Group, Including Discontinued Operation, Insurance Tax and Assessment Expense Travel, entertainment, dues and subscriptions Disposal Group, Including Discontinued Operation, Travel, Entertainment and Dues and Subscriptions Disposal Group, Including Discontinued Operation, Travel, Entertainment and Dues and Subscriptions Other operating expenses Disposal Group, Including Discontinued Operation, Other Operating Expenses Disposal Group, Including Discontinued Operation, Other Operating Expenses Total noninterest expense Disposal Group, Including Discontinued Operation, Noninterest expense Disposal Group, Including Discontinued Operation, Noninterest expense LOANS AND ALLOWANCE FOR LOAN LOSSES Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Condensed Balance sheets Condensed Balance Sheet Statements, Captions [Line Items] Assets Assets [Abstract] Cash Cash Investment in subsidiaries Equity Method Investments Other assets Other Assets TOTAL ASSETS Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Other liabilities Other Liabilities Long-term debt Long-term Debt Total liabilities Liabilities Total stockholders’ equity TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENT LIABILITIES Commitments and Contingencies Disclosure [Text Block] Business Combinations [Abstract] MERGERS AND ACQUISITIONS Business Combination Disclosure [Text Block] Property, Plant and Equipment [Abstract] Schedule of Premises and Equipment Property, Plant and Equipment [Table Text Block] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Pass Pass [Member] Special Mention Special Mention [Member] Substandard Substandard [Member] Doubtful Doubtful [Member] Classes of the loan portfolio summarized by credit quality indicators: Financing Receivable, Recorded Investment [Line Items] Total Loans Debt Disclosure [Abstract] BORROWED FUNDS Debt Disclosure [Text Block] Reclassification Out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Components of Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Preferred Stock Preferred Stock [Member] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive (Loss) Treasury Stock Treasury Stock [Member] Statement Statement [Line Items] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Other comprehensive loss Cash dividends paid Dividends, Common Stock, Cash Dividends on preferred stock Dividends, Preferred Stock, Cash Stock based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Common stock options exercised Stock Issued During Period, Value, Stock Options Exercised Common stock issuance, net of issuance costs Stock Issued During Period, Value, New Issues Redemption of preferred stock Stock Redeemed or Called During Period, Value Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Core Deposit Intangible Core Deposits [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Estimated Amortization Expense Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract] 2018 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Total Finite-Lived Intangible Assets, Net PENSION PLAN Pension and Other Postretirement Benefits Disclosure [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Cash Cash [Member] Fixed income Fixed Income Funds [Member] Alternative investments Alternative Investments [Member] Represents information pertaining to the alternative investments. Domestic equities Domestic Equity Securities [Member] Represents information pertaining to the domestic equity securities. Foreign equities Foreign Equity Securities [Member] Represents information pertaining to the foreign equity securities. Level I Fair Value, Inputs, Level 1 [Member] Plan's assets at fair value by level, within the fair value hierarchy Defined Benefit Plan Disclosure [Line Items] Total assets at fair value Defined Benefit Plan, Fair Value of Plan Assets Available for sale, Amortized Cost Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Within one year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis After one year, but within five Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis After five years, but within ten Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis After ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Total Available-for-sale Debt Securities, Amortized Cost Basis Available for sale, Fair Value Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Within one year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value After one year, but within five Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value After five years, but within ten Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value After ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Total Available-for-sale Securities, Debt Securities Carrying value of investment securities pledged Pledged Financial Instruments, Not Separately Reported, Securities Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Fixed Interest Rate Notes, Originating Between October 2006 and April 2007, Due Between October 2021 and April 2022 [Member] Fixed Interest Rate Notes, Originating Between October 2006 and April 2007, Due Between October 2021 and April 2022 [Member] Fixed Interest Rate Notes, Originating Between October 2006 and April 2007, Due Between October 2021 and April 2022 [Member] Fixed interest rate notes, originating between October 2006 and April 2007, due between October 2021 and April 2022, interest of between 5.18% and 5.20% payable monthly Fixed Interest Rate Notes, Originating Between April 2002 and December 2007, Due Between July 2016 and April 2022 [Member] Fixed Interest Rate Notes, Originating Between April 2002 and December 2007, Due Between July 2016 and April 2022 [Member] Amortizing fixed interest rate note, originating February 2007, due February 2022, payable in monthly installments of $5 thousand, including interest of 5.22% Amortizing Fixed Interest Rate Notes, Originating February 2007, Due 2022 [Member] Amortizing fixed interest rate notes, originating February 2007, due 2022 [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Borrowed funds Debt Instrument [Line Items] Borrowings from the FHLB Long-term Federal Home Loan Bank Advances Interest rate on debt security Debt Instrument, Interest Rate, Stated Percentage Monthly installments Debt Instrument, Periodic Payment, Interest Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Balance, beginning of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Realized and unrealized gains included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Balance, end of period Contractual Amounts of Commitments Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Primary segments of the loan portfolio: Accounts, Notes, Loans and Financing Receivable [Line Items] Individually evaluated for impairment Financing Receivable, Individually Evaluated for Impairment Collectively evaluated for impairment Financing Receivable, Collectively Evaluated for Impairment GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] FAIR VALUE OF FINANCIAL INSTRUMENTS Financial Instruments Disclosure [Text Block] Banking and Thrift [Abstract] REGULATORY CAPITAL REQUIREMENTS Regulatory Capital Requirements under Banking Regulations [Text Block] Recurring Fair Value, Measurements, Recurring [Member] Fair value of assets and liabilities Financial Assets and Liabilities Measured at Fair Value Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block] Schedule of Recurring Level III Assets Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Quantitative Information About the Level III Significant Unobservable Inputs for Assets and Liabilities Measured at Fair Value on Nonrecurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Provision for Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Reconciliation of Income Taxes at Federal Statutory Rates to Recorded Income Taxes Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Deferred Income Tax Assets and (Liabilities) Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Quarterly Financial Information Disclosure [Abstract] Net Interest Income Interest Income (Expense), Net Income Before Taxes Earnings per share - basic (in dollars per share) Earnings Per Share, Basic Earnings per share - diluted (in dollars per share) Earnings Per Share, Diluted PREMISES AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Information Related to Short-term Borrowings Schedule of Short-term Debt [Table Text Block] Information Related To Repurchase Agreements Schedule of Repurchase Agreements [Table Text Block] Long-term Notes from the FHLB Schedule of Federal Home Loan Bank, Advances, by Branch of FHLB Bank [Table Text Block] Information Related to Subordinated Debt Schedule of Subordinated Borrowing [Table Text Block] Maturities of Borrowings and Subordinated Debt Schedule of Maturities of Long-term Debt [Table Text Block] Carrying Values and Estimated Fair Values of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Statement of Financial Position [Abstract] Securities held-to-maturity Held-to-maturity Securities, Fair Value Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Treasury stock, shares (in shares) Treasury Stock, Shares Pension Plan Asset Allocations Plan Assets Defined Benefit Plan, Actual Plan Asset Allocations Estimated Amortization Over Next Fiscal Year Defined Benefit Plan, Expected Amortization, Next Fiscal Year [Abstract] Estimated net loss (gain) expected to be amortized from accumulated other comprehensive income into net periodic cost Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year Document and Entity Information [Abstract] No definition available. Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Leases [Abstract] Future Minimum Operating Lease Payments Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2018 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2019 Operating Leases, Future Minimum Payments, Due in Two Years 2020 Operating Leases, Future Minimum Payments, Due in Three Years 2021 Operating Leases, Future Minimum Payments, Due in Four Years 2022 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total minimum payments required Operating Leases, Future Minimum Payments Due Rent expense Operating Leases, Rent Expense Components of loans Proceeds of loans sold Proceeds from Sale of Loans Held-for-sale Deferred loan origination fees and costs, net Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums Loans receivable Loans and Leases Receivable, Gross Schedule of Fair Value, Off-balance Sheet Risks [Table] Schedule of Fair Value, Off-balance Sheet Risks [Table] Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Available on lines of credit Unused lines of Credit [Member] Stand-by letters of credit Standby Letters of Credit [Member] Other loan commitments Other Loan Commitments [Member] Represents information pertaining to other loan commitments. Financial Instruments with Off-Balance-Sheet Risk Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] Total contractual amounts of the commitments Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability Average balance maintained in accordance with Federal Reserve Board requirements Average Reserve Balance Maintained in Accordance with Federal Reserve Board Requirements Represents the average reserve balance maintained in accordance with Federal Reserve Board requirements. Related Party Transactions [Abstract] Balance at Beginning of Year Loans and Leases Receivable, Related Parties Borrowings Loans and Leases Receivable, Related Parties, Additions Executive Officer and Director Retirements Loans and Leases Receivable Related Parties Retirement Represents the retirement of loan and lease receivables made to related parties. Repayments Loans and Leases Receivable, Related Parties, Proceeds Balance at Beginning of Year Related party deposits Related Party Deposit Liabilities Related party repurchase agreements Related Party Transaction, Purchases from Related Party Disclosure of Restrictions on Dividends, Loans and Advances Disclosure [Abstract] Number of preceding years, the retained net profits of which is considered for dividend payment Dividend Restrictions Number of Preceding Years Retained Net Profits Represents the number of preceding years, the retained net profits of which is combined with the current year's profits used to determine the amount of dividends declared in any calendar year. RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Effective Income Tax Rate Reconciliation, Amount Effective Income Tax Rate Reconciliation, Amount [Abstract] Tax at Federal tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Tax effect of: Income Tax Reconciliation Tax Effect [Abstract] State income tax Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Tax exempt earnings Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Impact of deferred tax rate change Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Tax at Federal tax rate (percentage) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Tax effect of: Effective Income Tax Rate Reconciliation, Percent Effect [Abstract] Effective Income Tax Rate Reconciliation, Percent Effect [Abstract] State income tax (percentage) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Tax exempt earnings (percentage) Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Impact of deferred tax rate change (percentage) Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Income tax expense (benefit) (as a percentage) Effective Income Tax Rate Reconciliation, Percent Deposits [Abstract] DEPOSITS Deposit Liabilities Disclosures [Text Block] Demand deposits of individuals, partnerships, and corporations Demand Deposits Domestic [Abstract] Noninterest bearing demand Noninterest-bearing Domestic Deposit, Demand Interest bearing demand Interest-bearing Domestic Deposit, Demand Savings and money markets Interest-bearing Domestic Deposit, Savings Time deposits including CDs and IRAs Interest-bearing Domestic Deposit, Time Deposits Total deposits Deposits, Domestic Time deposits that meet or exceed the FDIC insurance limit Time Deposits, $100,000 or More Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Loan Relationship [Axis] Loan Relationship [Axis] Loan Relationship [Axis] Loan Relationship [Domain] Loan Relationship [Domain] [Domain] for Loan Relationship [Axis] Commercial Loan Relationship One Commercial Loan Relationship One [Member] Commercial Loan Relationship One [Member] Commercial Loan Relationship Two Commercial Loan Relationship Two [Member] Commercial Loan Relationship Two [Member] Commercial Loan Relationship Three [Member] Commercial Loan Relationship Three [Member] Commercial Loan Relationship Three [Member] Other Loan Relationships Other Loan Relationships [Member] Other Loan Relationships [Member] Total Recorded Investment In Impaired Financing Receivables Total Recorded Investment In Impaired Financing Receivables [Member] Information pertaining to the total investment in impaired financing receivables. Credit Concentration Risk Credit Concentration Risk [Member] Foreclosure Risk Foreclosure Risk [Member] Foreclosure Risk [Member] Senior Healthcare Facility Senior Healthcare Facility [Member] Senior Healthcare Facility [Member] Construction Loans Construction Loans [Member] Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Total valuation methods used on impaired loans Impaired Financing Receivable, Number of Valuation Methods Used, Total Impaired Financing Receivable, Number of Valuation Methods Used, Total Increase in impaired loans Impaired Financing Receivable Unpaid Principal Balance Increase (Decrease) Represents the outstanding balance of an impaired loan that is primarily responsible for the overall increase (decrease) of impaired loans during the period. Increase in impaired loans (percentage) Impaired loans with no specific allowance, recorded investment Impaired Financing Receivable, with No Related Allowance, Recorded Investment Additional recently identified loans, recorded investment Impaired Financing Receivable, Additional Recently Identified Loans, Recorded Investment Impaired Financing Receivable, Additional Recently Identified Loans, Recorded Investment Recently identified impaired loans, recorded investment Impaired Financing Receivable, Recently Identified Loans, Recorded Investment Impaired Financing Receivable, Recently Identified Loans, Recorded Investment Impaired loans, principal curtailment Financing Receivables, Impaired, Troubled Debt Restructuring, Curtailments Financing Receivables, Impaired, Troubled Debt Restructuring, Curtailments Charge-offs incurred on largest impaired loan Loan Chargeoff Expense Amount of loans that have been declared as charge off/unlikely to be collected. Foreclosure and reclassification to other real estate owned Impaired Financing Receivable, Foreclosure And Reclassification To Other Real Estate Owned Impaired Financing Receivable, Foreclosure And Reclassification To Other Real Estate Owned Reclassification to performing loans Impaired Financing Receivable, Reclassification to Performing Loans Impaired Financing Receivable, Reclassification to Performing Loans Normal loan amortization Impaired Financing Receivable, Normal Loan Amortization Impaired Financing Receivable, Normal Loan Amortization Recorded investment (percentage) Impaired Financing Receivable, Recorded Investment, Percentage Impaired Financing Receivable, Recorded Investment, Percentage Number of loan relationships Number of Loan Relationships Causing Increase in Impaired Loans Number of Loan Relationships Causing Increase in Impaired Loans Number of loan relationships causing increase in impaired loans Number of Impaired Loans Causing Increase in Impaired Loans Number of Impaired Loans Causing Increase in Impaired Loans Impaired financing receivable participation, largest loan Impaired Financing Receivable Participation Represents information pertaining to impaired loans participation. Loans acquired, sold in participation Loans Acquired, Sold Represents the amount of loans sold in a participation that were originally acquired in December 2013 relating to commercial real estate in the norther Virginia area. Loans identified as impaired, remaining loans Outstanding balance on loans acquired Loans Acquired, Outstanding Balance, Refinanced Represents the amount refinanced by the reporting entity relating to loans that were acquired in December 2013 in the northern Virginia area. Number foreclosed properties held Number of Loans, In Process of Foreclosure Represents the number of loans in process of foreclosure. Number of loan relationships causing increase in impaired loans Number of Loan Relationships Causing Increase (Decrease) in Impaired Loans Number of Loan Relationships Causing Increase (Decrease) in Impaired Loans Foreclosed properties held Impaired Financing Receivable Recorded Investment, Foreclosures Impaired Financing Receivable Recorded Investment, Foreclosures Number of borrowers Impaired Financing Receivable, Number Of Borrowers In Foreclosure Impaired Financing Receivable, Number Of Borrowers In Foreclosure Number of additional collateralized loans in the process of foreclosure Number of Impaired Loans Primarily Responsible For Increase Represents the number of impaired loans primarily responsible for the increase in impaired loans during the period. Investment in loans in the process of foreclosure Impaired Financing Receivable Recorded Investment, In Process of Foreclosure Represents the recorded investment amount of loans in process of foreclosure. Changes in Carrying Amounts of Goodwill and Other Intangibles Schedule of Goodwill [Table Text Block] Estimated Amortization Expense for Other Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Subordinated Debentures Subordinated Debentures [Member] Represents information pertaining to the subordinated debentures which mature in 2037. Convertible Subordinated Promissory Notes Due 2024 Convertible Subordinated Promissory Notes Due2024 [Member] Represents information pertaining to the Convertible Subordinated Promissory Notes Due 2024. Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] LIBOR London Interbank Offered Rate (LIBOR) [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Subordinated Debt Subordinated Debt [Member] Debtholder Investment [Axis] Debtholder Investment [Axis] Information by investment of debtholder. Debtholder Investment [Domain] Debtholder Investment [Domain] Investment of debtholder. Debtholder Investments Less Than Three Million Dollars Debtholder Investments Less Than Three Million Dollars [Member] Represents information pertaining to investments of debtholders less than $3,000,000. Debtholder Investments Of Three Million Dollars Or Greater Debtholder Investments Of Three Million Dollars Or Greater [Member] Represents information pertaining to investments of debtholders greater than or equal to $3,000,000. Debtholder Investments Of Ten Million Dollars Or Greater Debtholder Investments Of Ten Million Dollars Or Greater [Member] Represents information pertaining to investments of debtholders greater than or equal to $10,000,000. Subordinated Debentures Subordinated Debt Subordinated Debt [Abstract] Balance at end of year Subordinated Debt Average balance during the year Subordinated Debt Average Outstanding Amount For the form of subordinated debt having, average borrowings during the period. Maximum month-end balance Subordinated Debt Maximum Monthend Outstanding Amount For the form of subordinated debt , maximum month-end borrowings during the period. Weighted-average rate during the year Debt Instrument, Interest Rate During Period Weighted-average rate at December 31 Debt, Weighted Average Interest Rate Face amount of debt issued Debt Instrument, Face Amount Variable rate basis spread Debt Instrument, Basis Spread on Variable Rate Debt instrument, investment amount of holder Debt Instrument Face Amount Of Incremental Issue Face (par) amount of each increment of debt instrument issued. Debt instrument, minimum ownership of common stock as percentage of principal acquired Debt Instrument Minimum Investment Required The minimum investment in the debt instrument required by investors under terms of the offering. Term of debt instrument Debt Instrument, Term Debt instrument, investment amount of holder Debt Instrument Investment Amount Of Holder The amount of investment of debtholder. Debt instrument, minimum ownership of common stock as percentage of principal acquired Debt Instrument Minimum Ownership Of Common Stock As Percentage Of Principal Acquired The minimum ownership of common stock as a percentage of debt instrument principal acquired. Debt instrument, basis spread on variable rate after fifth anniversary Debt Instrument Basis Spread On Variable Rate After Fifth Anniversary Percentage points added to the reference rate to compute the variable rate on the debt instrument after the fifth anniversary of the issuance. Debt instrument, maximum interest rate after fifth anniversary Debt Instrument Maximum Interest Rate Stated Percentage After Fifth Anniversary The maximum contractual rate for funds borrowed under the debt agreement after the fifth anniversary of issuance. Debt instrument, minimum period from issuance that principal may be prepaid Debt Instrument Period From Issuance That Issuer May Prepay Debt The period from issuance at which the issuer of the debt instrument may make prepayments on the unpaid principal and interest amounts. Debt instrument, threshold consecutive trading days for conversion after first, second, third, fourth, and fifth anniversaries of the issuance Debt Instrument Convertible Threshold Consecutive Trading Days After First Second Third Fourth And Fifth Anniversaries Of Issuance Or Prepayment Notice Threshold period of specified consecutive trading days after the first, second, third, fourth, or fifth anniversaries of the issuance of the debt instrument or upon a notice to prepay by the issuer within which the debt instrument may be convertible into common stock at the election of the holder. Debt instrument, conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Debt instrument, notice period of intent to prepay Debt Instrument Convertible Notice Period Of Intent To Prepay The period of notice that the issuer must provide the holders of its intent to prepay. Debt instrument, issuance threshold amount requiring consent of holders Debt Instrument Threshold Amount Of New Senior Debt Issuance That Issuer Must Obtain Holder Consent The threshold amount of new senior debt issuances at which the issuer must obtain the consent of the holder. Debt instrument, redemption price percentage Debt Instrument, Redemption Price, Percentage Debt instrument, required period before redemption Debt Instrument Redemption Period From Issuance The period from the date of issuance at which the debt instrument may be redeemed. Interest expense on borrowed funds Interest Expense, Subordinated Notes and Debentures Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land Land [Member] Buildings and improvements Building and Building Improvements [Member] Furniture, fixtures and equipment Furniture Fixtures And Equipment [Member] Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities and a tangible personal property used to produce goods and services. Construction in progress Construction in Progress [Member] Leasehold improvements Leasehold Improvements [Member] Premises and equipment Property, Plant and Equipment [Line Items] Gross premises and equipment Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net premises and equipment Property, Plant and Equipment, Net Gain on sale of fixed assets Gain (Loss) on Disposition of Property Plant Equipment Depreciation expense Depreciation QUARTERLY FINANCIAL DATA (UNAUDITED) Quarterly Financial Information [Text Block] DISCONTINUED OPERATIONS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Unrealized holding gains (losses) on securities available-for-sale Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Unrealized holding gains during the year related to reclassified held-to-maturity securities Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, before Tax Income tax effect Other Comprehensive Income (Loss), Available-for-sale Securities, before Reclassification Adjustments, Tax Reclassification adjustment for gain recognized in income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Reclassification adjustment for gain recognized in income related to reclassified held-to-maturity securities Other Comprehensive Income Loss Reclassification Adjustment From AOCIF or Held To Maturity Transferred To Available For Sale Securities Before Tax Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon reclassified held-to-maturity securities. Income tax effect Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Change in defined benefit pension plan Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent Income tax effect Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Defined Benefit Plan Activity Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Weighted Average Assumptions Used Schedule of Defined Benefit Plans Disclosures [Table Text Block] Components of Net Periodic Pension Cost Schedule of Net Benefit Costs [Table Text Block] Pension Plan Asset Allocations Schedule of Pension Plan Asset Allocation [Table Text Block] Tabular disclosure of the target allocation and actual allocation for the major categories of plan assets of pension plans. Plan Assets at Fair Value by Level Schedule of Fair Value of Pension Plan Assets [Table Text Block] Tabular disclosure of the fair value of each major category of plan assets of pension plans and/or other employee benefit plans, and the level within the fair value hierarchy in which the fair value measurements fall. Estimate of Plan Contributions in Future Years Schedule of Estimated Future Employer Contributions and Expected Benefit Payments [Table Text Block] Tabular disclosure of employer's best estimate of contributions expected during the next fiscal year beginning after the date of the latest statement of financial position and benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. Schedule of Financing Receivable, Allowance for Credit Losses [Table] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Activity in the allowance for loan losses: Financing Receivable, Allowance for Credit Losses [Line Items] Changes in the allowance for loan losses Financing Receivable, Allowance for Credit Losses [Roll Forward] Balance at beginning of period Financing Receivable, Allowance for Credit Losses Charge-offs Financing Receivable, Allowance for Credit Losses, Write-downs Recoveries Financing Receivable, Allowance for Credit Losses, Recovery Provision Provision for Loan, Lease, and Other Losses Balance at end of period Individually evaluated for impairment Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment Collectively evaluated for impairment Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment Financing Receivable, Net [Abstract] Financing Receivable, Net [Abstract] Loans acquired, refinanced Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Carrying Value Reported Value Measurement [Member] Estimated Fair Value Estimate of Fair Value Measurement [Member] Interest rate lock commitment Interest Rate Lock Commitments [Member] Interest rate swap Interest Rate Swap [Member] Interest rate cap Interest Rate Cap [Member] FHLB and other borrowings Forward Contracts [Member] Mortgage-backed security hedges Collateralized Mortgage Backed Securities [Member] Quoted Prices in Active Markets for Identical Assets (Level I) Significant Other Observable Inputs (Level II) Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level III) Carrying values and estimated fair values of financial instruments: Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Financial assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Certificates of deposits with other banks Certificates of Deposit, at Carrying Value Securities available-for-sale Available-for-sale Securities Loans held for sale Loans Held-for-sale, Fair Value Disclosure Loans, net Loans Receivable, Fair Value Disclosure Mortgage servicing rights Servicing Asset at Fair Value, Amount Derivative asset Derivative Asset Accrued interest receivable Interest Receivable Financial liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Deposits Deposits, Fair Value Disclosure Repurchase agreements Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure FHLB and other borrowings Federal Home Loan Bank and Other Borrowings The aggregate carrying amount of all Federal Home Loan Bank loans and aggregate of other miscellaneous borrowings owed by the reporting entity. Derivative liability Derivative Liability Accrued interest payable Deposit Liabilities, Accrued Interest Subordinated debt Subordinated Debt Obligations, Fair Value Disclosure FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] U.S. Government Agency securities US Government Agencies Debt Securities [Member] U.S. Sponsored Mortgage-backed securities US Government-sponsored Enterprises Debt Securities [Member] Municipal securities Municipal Notes [Member] Equity and other securities Equity And Other Securities [Member] Represents information pertaining to the Equity and Other Securities. Interest rate lock commitment Interest rate swap Interest rate cap Level II Interest rate swap Average recorded investment in impaired loans and related interest income recognized Average Recorded Investment in Impaired Loans and Related Interest Income Recognized [Abstract] Number of points in internal risk rating system Loan Portfolio Internal Risk Rating System Points, Number Represents the number of points in internal risk rating system used by bank management to monitor the credit quality of the overall loan portfolio. Number of categories in internal risk rating system considered as not criticized Loan Portfolio Internal Risk Rating System Considered as not Criticized Categories, Number Represents the number of categories in internal risk rating system, which are considered as not criticized. Commercial relationship credit review threshold amount Financing Receivable, Credit Quality, Relationship Threshold for Review Financing Receivable, Credit Quality, Relationship Threshold for Review Past due period before loans placed in non-accrual status Financing Receivable, Nonaccrual, Minimum Past Due Period Financing Receivable, Nonaccrual, Minimum Past Due Period Recent loan payment history before removal from non-accrual status Financing Receivable, Recent Payment Term Before Removal From Nonaccrual Status Financing Receivable, Recent Payment Term Before Removal From Nonaccrual Status Income Statement [Abstract] INTEREST INCOME Interest and Dividend Income, Operating [Abstract] Interest and fees on loans Interest and Fee Income, Loans and Leases Interest on deposits with other banks Interest Income, Deposits with Financial Institutions Interest on investment securities - taxable Interest Income, Securities, Operating, Taxable Interest on tax exempt loans and securities Interest Income, Securities, Operating, Tax Exempt Total interest income INTEREST EXPENSE Interest Expense [Abstract] Interest on deposits Interest Expense, Deposits Interest on repurchase agreements Interest Expense, Securities Sold under Agreements to Repurchase Interest on FHLB and other borrowings Interest Expense Federal Home Loan Bank and Other Borrowings Interest expense incurred during the reporting period on Federal Home Loan Bank and other borrowings. Interest on subordinated debt Total interest expense NET INTEREST INCOME Net interest income after provision for loan losses Interest Income (Expense), after Provision for Loan Loss NONINTEREST INCOME Component of Operating Income [Abstract] Service charges on deposit accounts Fees and Commissions, Depositor Accounts Income on bank owned life insurance Bank Owned Life Insurance Income Visa debit card and interchange income Fees and Commissions, Debit Cards Gain on sale of portfolio loans Gain (Loss) on Sale of Loans and Leases Gain on sale of securities Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments Gain (loss) on derivatives Gain (Loss) on Derivative Instruments, Net, Pretax Commercial swap fee income Commercial Swap Fee Income Commercial Swap Fee Income Other operating income Noninterest Income, Other Operating Income Total noninterest income Noninterest Income Occupancy expense Occupancy, Net Equipment depreciation and maintenance Equipment Expense Data processing and communications Communications and Information Technology Mortgage processing Loan Processing Fee Marketing, contributions and sponsorships Marketing and Advertising Expense Professional fees Professional Fees Printing, postage and supplies Supplies Expense Insurance, tax and assessment expense Insurance Tax Travel, entertainment, dues and subscriptions Travel and Entertainment Expense Other operating expenses Other Noninterest Expense Total noninterest expense Noninterest Expense Earnings per share from continuing operations - basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Earnings per share from discontinued operations - basic (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Earnings per common shareholder - basic (in dollars per share) Earnings per share from continuing operations - diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Earnings per share from discontinued operations - diluted (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Earnings per common shareholder - diluted (in dollars per share) Cash dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Weighted average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Weighted average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Actual Capital Amounts and Ratios Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Components of Loans in Consolidated Balance Sheet Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Primary Segments of the Loan Portfolio Schedule of Loans Evaluated for Impairment [Table Text Block] Tabular disclosure related to loans evaluated for impairment. Impaired Loans by Class Impaired Financing Receivables [Table Text Block] Average Recorded Investment in Impaired Loans and Related Interest Income Recognized Impaired Financing Receivables Average Recorded Investment Including Interest Income [Table Text Block] Tabular disclosure of the average amount of investment of impaired financing receivables including related interest income. Classes of the Loan Portfolio Summarized by the Aggregate Pass and the Criticized Categories Financing Receivable Credit Quality Indicators [Table Text Block] Classes of the Loan Portfolio Summarized by Aging Categories Past Due Financing Receivables [Table Text Block] Allowance Activity Allowance for Credit Losses on Financing Receivables [Table Text Block] Loans Identified as Troubled Debt Restructuring Troubled Debt Restructurings on Financing Receivables [Table Text Block] Statement of Cash Flows [Abstract] OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Net amortization and accretion of investments Amortization and Accretion of Investments Represents the adjustment for amortization and accretion of investments. Net amortization of deferred loan fees Amortization of Deferred Loan Fees Represents the adjustment for amortization of deferred loan fees. Depreciation and amortization Depreciation, Depletion and Amortization Stock based compensation Share-based Compensation Loans originated for sale Payments for Origination of Mortgage Loans Held-for-sale Mortgage fee income Gain on sale of securities Marketable Securities, Gain (Loss) Loss on sale of securities Gain (Loss) on Sale of Securities, Net Gain on sale of portfolio loans Gain (Loss) on Sales of Loans, Net Gain on sale of subsidiary Gain (Loss) on Disposition of Stock in Subsidiary Income on bank owned life insurance Deferred taxes Other, net Other Operating Activities, Cash Flow Statement Net cash (used in) / provided by operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Purchases of investment securities available-for-sale Payments to Acquire Available-for-sale Securities Purchases of investment securities held-to-maturity Payments to Acquire Held-to-maturity Securities Maturities/paydowns of investment securities available-for-sale Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Maturities/paydowns of investment securities held-to-maturity Proceeds from Sale and Maturity of Held-to-maturity Securities Sales of investment securities available-for-sale Proceeds from Sale of Available-for-sale Securities Sales of investment securities held-to-maturity Proceeds from Sale of Held-to-maturity Securities Purchases of premises and equipment Disposals of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Disposals of premises and equipment from sale of subsidiary Proceeds From Sale Of Property, Plant, And Equipment, Sale Of Subsidiary Proceeds From Sale Of Property, Plant, And Equipment, Sale Of Subsidiary Net increase in loans Increase (Decrease) in Finance Receivables Purchases of restricted bank stock Payments to Acquire Restricted Investments Redemptions of restricted bank stock Proceeds from Sale of Restricted Investments Proceeds from sale of certificates of deposit with banks Maturities Of Certificates Of Deposit In Other Banks Maturities Of Certificates Of Deposit In Other Banks Purchases of certificates of deposit with banks Payments To Acquire Certificates Of Deposits In Other Banks Payments To Acquire Certificates Of Deposits In Other Banks Proceeds from sale of other real estate owned Proceeds from Sale of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans Proceeds from sale of subsidiary Proceeds from Divestiture of Interest in Consolidated Subsidiaries Branch acquisition, net cash acquired Proceeds from Divestiture of Businesses Purchase of bank owned life insurance Payments for (Proceeds from) Life Insurance Policies Net cash (used in) investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Net increase in deposits Increase (Decrease) in Deposits Net (decrease) in repurchase agreements Proceeds from (Payments for) in Securities Sold under Agreements to Repurchase Net change in short-term FHLB borrowings Proceeds And Repayments Of Federal Home Loan Bank Borrowings Proceeds And Repayments Of Federal Home Loan Bank Borrowings Principal payments on FHLB borrowings Repayments of Federal Home Loan Bank Borrowings Proceeds from new FHLB borrowings Proceeds from Federal Home Loan Bank Borrowings Proceeds from stock offering, net of issuance costs Proceeds from Issuance of Private Placement Preferred stock redemption Payments for Repurchase of Preferred Stock and Preference Stock Common stock options exercised Proceeds from Stock Options Exercised Cash dividends paid on common stock Payments of Ordinary Dividends, Common Stock Cash dividends paid on preferred stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Loans transferred to other real estate owned Real Estate Owned, Transfer to Real Estate Owned Cashless stock options exercised Noncash Stock Options Exercised Noncash Stock Options Exercised Cash payments for: Cash Payments [Abstract] Interest on deposits, repurchase agreements and borrowings Interest Paid Income taxes Income Taxes Paid REGULATORY RESTRICTION ON DIVIDEND Restrictions on Dividends, Loans and Advances [Text Block] Schedule of Deposits Schedule of Deposits [Table Text Block] Tabular disclosure of the components of deposit liabilities held by the entity. Maturities of Time Deposits Schedule of Time Deposit Contractual Maturities [Table Text Block] Tabular disclosure of the aggregate amount of maturities for all time deposits for each of the five years following the date of the latest balance sheet presented. Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value Inputs, Assets, Quantitative Information [Table] Valuation Technique [Axis] Valuation Technique [Axis] Valuation Technique [Domain] Valuation Technique [Domain] Appraisal of collateral Appraisal Of Collateral [Member] Appraisal of collateral valuation technique used to measure fair value. Pricing model Market Approach Valuation Technique [Member] Quantitative Information about Level III Fair Value Measurements Fair Value Inputs, Assets, Quantitative Information [Line Items] Fair value Unobservable Input Fair Value Inputs [Abstract] Appraisal adjustments