Statement of Comprehensive Income [Abstract] Net income (loss) Net Income (Loss) Attributable to Parent Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Change in unrealized holding gain (loss) on securities available for sale Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Less: Reclassification adjustment for losses included in net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Net unrealized holding gain (loss) on securities available for sale Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accounting Policies [Abstract] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Federal Reserve Bank of San Francisco Federal Reserve Bank Of San Francisco [Member] Federal Reserve Bank of San Francisco [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] PMB Statutory Trust III Note C [Member] Note C [Member] PMB Capital Trust III Note D [Member] Note D [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock options Employee Stock Option [Member] Restricted stock Restricted Stock [Member] Title of Individual [Axis] Title of Individual [Axis] Title of Individual with Relationship to Entity [Domain] Relationship to Entity [Domain] Officers and Other Employees Officers and Other Employees [Member] Officers and Other Employees [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Retained Earnings Retained Earnings [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] ASU 2016-09 Accounting Standards Update 2016-09 [Member] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Cash and due from banks Cash and Due from Banks Loss reserve for unfunded loan commitments Provision for Other Losses Return of TDR loan to accrual status, minimum performance period Financing Receivable, Troubled Debt Restructurings, Return to Accrual Status, Minimum Performing Period Financing Receivable, Troubled Debt Restructurings, Return to Accrual Status, Minimum Performing Period Number of unconsolidated subsidiary investments Number of Investments in Unconsolidated Subsidiaries Number of Investments in Unconsolidated Subsidiaries Junior subordinated debentures Junior Subordinated Notes Number of stock option forfeited (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of restricted stock options forfeited (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Reportable business segments Number of Reportable Segments Non-reportable segments Number of Non-reportable Segments Number of Non-reportable Segments Excess tax benefits from stock based compensation that are not included in deferred tax assets Deferred Tax Asset Not Recognized, Excess Tax Benefit from Share-based Compensation Deferred Tax Asset Not Recognized, Excess Tax Benefit from Share-based Compensation Cumulative effect of new accounting principle in period of adoption Cumulative Effect of New Accounting Principle in Period of Adoption Investments, Debt and Equity Securities [Abstract] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Domain] Investments [Domain] US Treasury securities US Treasury Securities [Member] Mortgage backed securities issued by U.S. agencies Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Collateralized mortgage obligations issued by non agencies Non Agency Collateralized Mortgage Obligations [Member] Non Agency Collateralized Mortgage Obligations [Member] Asset-backed security Asset-backed Securities [Member] Mutual funds Mutual Funds [Member] Mutual Funds [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Amortized Cost Available-for-sale Securities, Amortized Cost Basis Gross Unrealized Gain Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Loss Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Estimated Fair Value Available-for-sale Securities Retirement Benefits [Abstract] Expenses relating to 401(k) contributions to employees Defined Contribution Plan, Cost Minimum age requirement to be eligible for SERP Defined Benefit Plan, Employee Eligibility Age Defined Benefit Plan, Employee Eligibility Age Number of monthly retirement payments Number Of Installment Payments Number Of Installment Payments Retirement payment amount as percentage of average monthly base salary Employee Option Pension Benefit Payment Percentage Employee Option Pension Benefit Payment, Percentage Number of years after reaching age 65 to receive monthly retirement payments Defined Benefit Plan, Monthly Retirement Payments, Period After Reaching Retirement Age Defined Benefit Plan, Monthly Retirement Payments, Period After Reaching Retirement Age Defined expected benefits to be paid in next five years Defined Benefit Plan Expected Future Benefit Payments In Years One Through Five Defined Benefit Plan, Expected Future Benefit Payments in Years One Through Five Defined expected benefits to be paid from year 2022 to 2026 Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Benefits expected to be recognized in net periodic benefit cost in next year Net Periodic Benefit Cost Expected To Be Recognized Over Next Fiscal Year Net Periodic Benefit Cost Expected To Be Recognized Over Next Fiscal Year Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitment And Contingencies [Table] Commitment And Contingencies [Table] Commitment And Contingencies [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Letter of Credit Letter of Credit [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Commitment And Contingencies [Line Items] Commitment And Contingencies [Line Items] Commitment And Contingencies [Line Items] Non-cancelable operating leases, escalation clauses rate Lease Escalation Percentage Lease Escalation Percentage Rent expense Operating Leases, Rent Expense, Net Recoveries Of Provision For Loan Repurchases Reserve Recoveries Of Provision For Loan Repurchases Reserve Recoveries of Provision for Loan Repurchases Reserve Repurchased loans Repurchased Loans Repurchased Loans Maximum exposure amount Guarantor Obligations, Maximum Exposure, Undiscounted Aggregate fair market value of securities pledged as collateral Financial Instruments, Owned and Pledged as Collateral, at Fair Value Available for sale security purchased, price paid Payments to Acquire Available-for-sale Securities Proceeds from sale of securities available for sale Proceeds from Sale of Available-for-sale Securities Loss on sale of available securities Gain (Loss) on Sale of Investments Impairment credit losses on available-for-sale securities Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net Portion of other-than-temporary impairment losses recognized in other comprehensive loss Accumulated Other Comprehensive Loss, Other Than Temporary Impairment Not Credit Loss, Pre-Tax Debt Securities Accumulated Other Comprehensive Loss, Other Than Temporary Impairment Not Credit Loss, Pre-Tax Debt Securities Number of securities Number Of Securities Number Of Securities Trust preferred securities, number of issuers Number Of Issuers Number of Issuers Trust preferred securities, number of U.S. depository institutions Number Of Financial Institution Number of Financial Institution Trust preferred securities, number of insurance companies Number Of Companies Number Of Companies Available for sale security purchased, face value Investment Owned, Face Amount Available for sale security purchased, price as percentage of face amount Percentage Of Debt Instrument Fair Value Over Face Value Percentage Of Debt Instrument Fair Value Over Face Value Trust preferred securities issued, value Trust Preferred Securities Trust Preferred Securities Basis points over 3 months LIBOR Loans Receivable, Basis Spread on Variable Rate, During Period Amortized cost Securities available for sale, at fair value Unrealized loss Available-for-sale securities, default experienced Defaulted Loan Principal During Period Defaulted Loan Principal During Period Percentage of default to total current collateral Percentage Of Actual Defaults To Original Collateral Percentage of Actual defaults to original collateral Security payment deferrals Payments To Deferred To Investment Payments to Deferred to Investment Percentage of payment deferrals to total current collateral Percentage Of Deferrals To Original Collateral Percentage of Deferrals to Original Collateral Excess subordination Asset-backed Securities, Excess Subordination Asset-backed Securities, Excess Subordination Gross Other- Than- Temporary Impairments Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Gross [Roll Forward] Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Gross [Roll Forward] Gross Other-Than-Temporary Impairments, Beginning Balance Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held Gross Other-Than-Temporary Impairments, Changes in market value on securities for which an OTTI was previously recognized Other Than Temporary Impairment Non Credit Losses Recognized In Earnings Additions No Previous Impairment Other than Temporary Impairment, Non-Credit Losses Recognized in Earnings, Additions, No Previous Impairment Gross Other-Than-Temporary Impairments, Principal received on OTTI security Other than Temporary Impairment, Non-Credit Losses Recognized in Earnings, Reductions, Principal Received Other than Temporary Impairment, Non-Credit Losses Recognized in Earnings, Reductions, Principal Received Gross Other-Than-Temporary Impairments, Ending Balance Other-Than- Temporary Impairments Included in Other Comprehensive Loss Other than Temporary Impairment, Credit Losses Recognized in Other Comprehensive Loss [Roll Forward] Other than Temporary Impairment, Credit Losses Recognized in Other Comprehensive Loss [Roll Forward] Other-Than-Temporary Impairments Included in Other Comprehensive Loss, Beginning Balance Other-Than-Temporary Impairments Included in Other Comprehensive Loss, Change in market value on a security for which an OTTI was previously recognized Other Than Temporary Impairment Losses Non Credit Losses Portion In Other Comprehensive Income Loss Other than Temporary Impairment Losses, Non-Credit losses Portion in Other Comprehensive Income (Loss) Other-Than-Temporary Impairments Included in Other Comprehensive Loss, Principal received on OTTI security Other than Temporary Impairment, Non-Credit Losses Recognized in Other Comprehensive Income (Loss), Reductions, Principal Received Other than Temporary Impairment, Non-Credit Losses Recognized in Other Comprehensive Income (Loss), Reductions, Principal Received Other-Than-Temporary Impairments Included in Other Comprehensive Loss, Ending Balance Net Other-Than- Temporary Impairments Included in Retained Earnings (Deficit) Other than Temporary Impairment, Non-Credit Losses Recognized in Retained Earnings [Roll Forward] Other than Temporary Impairment, Non-Credit Losses Recognized in Retained Earnings [Roll Forward] Net Other-Than Temporary Impairments Included in Retained Earnings (Deficit), Beginning Balance Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Debt Securities Net Other-Than Temporary Impairments Included in Retained Earnings (Deficit), Change in market value on a security for which an OTTI was previously recognized Other Than Temporary Impairment Non Credit Losses Recognized In Retained Earnings Additions No Previous Impairment Other than Temporary Impairment, Non-Credit Losses Recognized in Retained Earnings, Additions, No Previous Impairment Net Other-Than Temporary Impairments Included in Retained Earnings (Deficit), Principal received on OTTI security Other than Temporary Impairment, Non-Credit Losses Included in Retained Earnings, Reductions, Principal Received Other than Temporary Impairment, Non-Credit Losses Included in Retained Earnings, Reductions, Principal Received Net Other-Than Temporary Impairments Included in Retained Earnings (Deficit), Ending Balance Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Interest bearing deposits with financial institutions Interest-bearing Deposits in Banks and Other Financial Institutions Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Interest-bearing time deposits with financial institutions Time Deposits, at Carrying Value Federal Reserve Bank of San Francisco and Federal Home Loan Bank Stock, at cost Federal Home Loan Bank Stock and Federal Reserve Bank Stock Loans (net of allowances of $14,196 and $16,801, respectively) Loans and Leases Receivable, Net Amount Accrued interest receivable Interest Receivable Premises and equipment, net Property, Plant and Equipment, Net Other assets Other Assets Total assets Assets LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Deposits: Deposits [Abstract] Noninterest-bearing Noninterest-bearing Deposit Liabilities Interest-bearing Interest-bearing Deposit Liabilities Total deposits Deposits Borrowings Debt and Capital Lease Obligations Accrued interest payable Interest Payable Other liabilities Other Liabilities Total liabilities Liabilities Commitments and contingencies (Note 15) Commitments and Contingencies Shareholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, no par value, 2,000,000 shares authorized: Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Common stock, no par value, 85,000,000 shares authorized; 23,232,515 and 23,004,668 shares issued and outstanding at December 31, 2017 and December 31, 2016, respectively Common Stock, Value, Issued Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total shareholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and shareholders’ equity Liabilities and Equity Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Series B Preferred Stock Series B Preferred Stock [Member] Series C Preferred Stock Series C Preferred Stock [Member] Series B and C Preferred stock Preferred Stock [Member] Common stock Common Stock [Member] Retained earnings (accumulated deficit) Accumulated other comprehensive income (loss) AOCI Attributable to Parent [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balance (in shares) Shares, Issued Beginning Balance Exchange of Preferred Stock to common stock (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Exchange of Preferred Stock to common stock Stock Issued During Period, Value, Conversion of Convertible Securities Dividends on preferred stock exchanged for common stock (in shares) Common Stock Dividends, Shares Dividends on preferred stock exchanged for common stock Stock Issued During Period, Value, Stock Dividend Inducement for exchange of preferred stock for common stock (in shares) Stock Issued During Period, Shares, Inducement for Exchange of Preferred Stock Stock Issued During Period, Shares, Inducement for Exchange of Preferred Stock Inducement for exchange of preferred stock for common stock Stock Issued During Period, Value, Inducement for Exchange of Preferred Stock Stock Issued During Period, Value, Inducement for Exchange of Preferred Stock Costs related to the exchange of preferred stock for common stock Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Issuance of restricted stock, net (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Tax effect from vesting of restricted stock (in shares) Shares Paid for Tax Withholding for Share Based Compensation Tax effect from vesting of restricted stock Adjustments Related to Tax Withholding for Share-based Compensation Series C Preferred Stock issued as a stock dividend on Series B Preferred Stock (in shares) Preferred Stock Dividends, Shares Series C Preferred Stock issued as a stock dividend on Series B Preferred Stock Dividends, Preferred Stock Common stock based compensation expense Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Common stock options exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Common stock options exercised Stock Issued During Period, Value, Stock Options Exercised Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Ending Balance (in shares) Ending Balance Repurchase Reserve [Roll Forward] Repurchase Reserve [Roll Forward] Repurchase Reserve [Roll Forward] Beginning balance Mortgage Loan Repurchase Reserve Mortgage Loan Repurchase Reserve Provision for repurchases Settlements Cash Payment Upon Settlement Of Repurchase Agreement Cash Payment Upon Settlement Of Repurchase Agreement Total repurchases reserve 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 and beyond Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Operating Activities [Axis] Operating Activities [Axis] Operating Activities [Domain] Operating Activities [Domain] Continuing Operations Continuing Operations [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Collateralized mortgage obligations issued by non-agency Collateralized Mortgage Obligations [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Recurring Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [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] Income Statement [Abstract] Interest income: Interest and Dividend Income, Operating [Abstract] Loans, including fees Interest and Fee Income, Loans and Leases Securities available for sale and stock Interest and Dividend Income, Securities, Operating, Available-for-sale Interest-bearing deposits with financial institutions Interest Income, Deposits with Financial Institutions Total interest income Interest and Dividend Income, Operating Interest expense: Interest Expense [Abstract] Deposits Interest Expense, Deposits Borrowings Interest Expense, Borrowings Total interest expense Interest Expense Net interest income Interest Income (Expense), Net Provision for loan and lease losses Provision for Loan and Lease Losses Net interest income after provision for loan and lease losses Interest Income (Expense), after Provision for Loan Loss Noninterest income Noninterest Income [Abstract] Service fees on deposits and other banking services Fees and Commissions, Depositor Accounts Net loss on sale of securities available for sale Gain (Loss) on Investments Net gain on sale of small business administration loans Gain (Loss) on Sales of Loans, Net Net loss on sale of other assets Gain (Loss) on Disposition of Other Financial Assets Other noninterest income Noninterest Income, Other Operating Income Total noninterest income Noninterest Income Noninterest expense Noninterest Expense [Abstract] Salaries and employee benefits Labor and Related Expense Occupancy Occupancy, Net Equipment and depreciation Equipment Expense Data processing Information Technology and Data Processing FDIC expense Federal Deposit Insurance Corporation Premium Expense Other real estate owned expense, net Other Real Estate Owned Expense Expenses incurred in connection with foreclosed real estate. Professional fees Professional Fees Business development Business Development Loan related expense Loan Portfolio Expense Insurance General Insurance Expense Other operating expense Other Noninterest Expense Total noninterest expense Noninterest Expense Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax (benefit) provision Income Tax Expense (Benefit) Net income (loss) Dividends on preferred stock Other Preferred Stock Dividends and Adjustments Inducements for exchange of the preferred stock Preferred Stock Conversions, Inducements Net income (loss) allocable to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Basic income (loss) per common share: Earnings Per Share, Basic [Abstract] Net income (loss) available to common shareholders (in dollars per common share) Earnings Per Share, Basic Diluted income (loss) per common share: Earnings Per Share, Diluted [Abstract] Net income (loss) available to common shareholders (in dollars per common share) Earnings Per Share, Diluted Weighted average number of common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] FHLB Federal Home Loan Bank Advances [Member] 1.48% due March 1, 2018 Debt Instrument, One [Member] Debt Instrument, One [Member] 1.62% due June 1, 2018 Debt Instrument, Two [Member] Debt Instrument, Two [Member] 1.72% due September 4, 2018 Debt Instrument, Three [Member] Debt Instrument, Three [Member] 1.77% due December 3, 2018 Debt Instrument, Four [Member] Debt Instrument, Four [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] weighted-average annualized interest rate Debt, Weighted Average Interest Rate Principal Amounts Debt Instrument, Face Amount Interest Rate Debt Instrument, Interest Rate, Stated Percentage Changes in projected benefit obligations under supplemental retirement plan Schedule of Net Benefit Costs [Table Text Block] Document and Entity Information [Abstract] Document and Entity Information [Abstract] 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 Trading Symbol Trading Symbol 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 Series B Convertible 8.4% Noncumulative Preferred Stock, 300,000 shares authorized; 0 issued and outstanding at December 31, 2017 and December 31, 2016; liquidation preference $100 per share, plus accumulated but undeclared dividends Series C 8.4% Noncumulative Preferred Stock, 300,000 shares authorized; 0 issued and outstanding at December 31, 2017 and December 31, 2016; liquidation preference $100 per share plus accumulated but undeclared dividends Loans, allowances Loans and Leases Receivable, Allowance Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized 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 Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Federal Home Loan Bank Stock and Federal Reserve Bank Stock Federal Home Loan Bank Stock Policy [Policy Text Block] Federal Home Loan Bank Stock, Policy. Securities Available for Sale, at Fair Value Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block] Loans and Allowance for Loan and Lease Losses Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block] Impaired Loans Impaired Financing Receivable, Policy [Policy Text Block] Restructured Loans Loans and Leases Receivable, Troubled Debt Restructuring Policy [Policy Text Block] Loan Origination Fees and Costs Loans and Leases Receivable, Origination Fees, Discounts or Premiums, and Direct Costs to Acquire Loans Policy [Policy Text Block] Investment in Unconsolidated Subsidiaries Cost Method Investments, Policy [Policy Text Block] Other Real Estate Owned Real Estate, Policy [Policy Text Block] Premises and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Earnings (Loss) Per Share Earnings Per Share, Policy [Policy Text Block] Stock Option Plans Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Subsequent Events Subsequent Events, Policy [Policy Text Block] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Anti-dilutive shares not included in computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Quarterly Financial Information Disclosure [Abstract] Total interest income Total interest expense Total noninterest income Total noninterest expense Per share data-basic: Per share data-diluted: Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Number of Shares Subject to Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Unvested at the beginning of the year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares Forfeited/Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Unvested at the end of the year (in shares) Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Unvested at the beginning of the year (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Forfeited/Canceled (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Unvested at the end of the year (in dollars per share) Number of Shares Outstanding, beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Exercised (in shares) Forfeited/Canceled (in shares) Outstanding, end of period (in shares) Options exercisable, end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Options vested, end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Weighted Average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Outstanding, beginning of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited/Canceled (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Outstanding, end of period (in dollars per share) Options exercisable, end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Options vested, end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Summary of future minimum non-cancelable lease commitments Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Activity related repurchase reserves Schedule Of Loans Repurchase Reserves Table [Table Text Block] Schedule of Loans Repurchase Reserves. Stock-Based Employee Compensation Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Company Parent Company [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Cash Flows From Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Net decrease (increase) in other assets Increase (Decrease) in Other Operating Assets Net decrease in deferred taxes Increase (Decrease) in Deferred Income Taxes Stock-based compensation expense Share-based Compensation Undistributed (income) loss of subsidiary Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Net increase (decrease) in interest payable Increase (Decrease) in Interest Payable, Net Net (decrease) increase in other liabilities Increase (Decrease) in Other Operating Liabilities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Cash Flows From Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Net decrease in loans Payments for (Proceeds from) Loans and Leases Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash Flows From Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Payments for exchange of preferred stock for common stock Payments of Stock Issuance Costs Common stock options exercised Proceeds from Stock Options Exercised Tax effect included in stockholders equity of restricted stock vesting Payments Related to Tax Withholding for Share-based Compensation Return of capital from subsidiaries Proceeds from Contributions from Affiliates Capital contribution to subsidiaries Payments of Distributions to Affiliates Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents, beginning of period Cash and Cash Equivalents, end of period Equity [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Unrealized Gain (Loss) on Securities Available-for-Sale, net of tax Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Accumulated Other Comprehensive Income, Net Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from accumulated other comprehensive income, net of tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Other comprehensive (loss) income, net of tax Number of investments accounted for under the cost method Cost Method Investments, Number Cost Method Investments, Number Purchase of other investments Payments to Acquire Cost Method Investments Payments to Acquire Cost Method Investments Investments accounted for under the cost method Cost Method Investments Receivables [Abstract] Schedule of Financing Receivables Past Due [Table] Schedule of Financing Receivables Past Due [Table] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Commercial loans Commercial Portfolio Segment [Member] Commercial real estate loans – owner occupied Commercial Real Estate, Owner Occupied, Portfolio Segment [Member] Commercial Real Estate, Owner Occupied, Portfolio Segment [Member] Commercial real estate loans – all other Commercial Real Estate, All Other, Portfolio Segment [Member] Commercial Real Estate, All Other, Portfolio Segment [Member] Residential mortgage loans – multi-family Residential, Multi-Family, Portfolio Segment [Member] Residential, Multi-Family, Portfolio Segment [Member] Residential mortgage loans – single family Residential, Single Family, Portfolio Segment [Member] Residential, Single Family, Portfolio Segment [Member] Land development loans Construction And Land Development Portfolio Segment [Member] Construction And Land Development Portfolio Segment [Member] Consumer loans Consumer Portfolio Segment [Member] 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, 90 Days and Greater Financing Receivables, Equal to Greater than 90 Days Past Due [Member] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable, Recorded Investment, Past Due [Line Items] Past Due Financing Receivable, Recorded Investment, Past Due Current Financing Receivable, Recorded Investment, Current Total loans outstanding Loans and Leases Receivable, Gross Loans greater than 90 Days and Accruing Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing Regulatory Capital Requirements [Abstract] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Common Equity Company Company [Member] Company [Member] Bank Bank [Member] Bank [Member] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Total Capital to Risk Weighted Assets Capital [Abstract] Total Capital to Risk Weighted Assets, Actual Capital Amount Capital Total Capital to Risk Weighted Assets, Actual Capital Ratio Capital 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, For Capital Adequacy Purposes, Ratio Capital Required for Capital Adequacy to Risk Weighted Assets Total Capital to Risk Weighted Assets, To be Categorized as Well Capitalized, Amount Capital Required to be Well Capitalized Total Capital to Risk Weighted Assets, To be Categorized as Well Capitalized, Ratio Capital Required to be Well Capitalized to Risk Weighted Assets Tier 1 Capital to Risk Weighted Assets Tier One Risk Based Capital [Abstract] Tier 1 Capital to Risk Weighted Assets, Actual Capital Amount Tier One Risk Based Capital Tier 1 Capital to Risk Weighted Asset, Actual Capital Ratio Tier One Risk Based Capital to Risk Weighted Assets 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 Risk Weighted Assets, For Capital Adequacy Purposes, Ratio Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets Tier 1 Capital to Risk Weighted Assets, To be Categorized As Well Capitalized, Amount Tier One Risk Based Capital Required to be Well Capitalized Tier 1 Capital to Risk Weighted Assets, To be Categorized As Well Capitalized, Ratio Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets Tier 1 Capital to Average Assets Tier One Leverage Capital [Abstract] Tier 1 Capital to Average Assets, Actual Capital Amount Tier One Leverage Capital Tier 1 Capital to Average Asset, Actual Capital Ratio Tier One Leverage Capital to Average Assets Tier 1 Capital to Average Assets, For Capital adequacy Purposes, Amount Tier One Leverage Capital Required for Capital Adequacy Tier 1 Capital to Average Assets, For Capital adequacy Purposes, Ratio Tier One Leverage Capital Required for Capital Adequacy to Average Assets Tier 1 Capital to Risk Weighted Assets, To be Categorized As Well Capitalized, Amount Tier One Leverage Capital Required to be Well Capitalized Tier 1 Capital to Average Assets, To be Categorized As Well Capitalized, Ratio Tier One Leverage Capital Required to be Well Capitalized to Average Assets Loans and Allowance for Loan and Lease Losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block] Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Board of Directors and executive officers Executive And Board Member [Member] Executive and Board Member [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Deposits by related party Related Party Deposit Liabilities Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Subsidiaries Subsidiaries [Member] Class of Stock [Line Items] Class of Stock [Line Items] Dividends rate Preferred Stock, Dividend Rate, Percentage Shares of Common Stock eligible for purchase (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Conversion of stock, shares issued (in shares) Conversion of Stock, Shares Issued Shares issued as stock dividends (in shares) Assets 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 segment Operating Segments [Member] Other Corporate, Non-Segment [Member] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Commercial Commercial Banking [Member] Commercial Banking [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Net interest income Parent Company Only Information Condensed Financial Information of Parent Company Only Disclosure [Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Performing Performing Financial Instruments [Member] Nonperforming Nonperforming Financial Instruments [Member] Commercial real estate - owner occupied and all others commercial real estate loans Commercial Real Estate, Owner Occupied and Commercial Real Estate, All Other [Member] Commercial Real Estate, Owner Occupied and Commercial Real Estate, All Other [Member] Commercial real estate - multi-family mortgage and all other commercial real estate loans Commercial Real Estate, All Other and Residential, Multi-Family, Portfolio Segments [Member] Commercial Real Estate, All Other and Residential, Multi-Family, Portfolio Segments [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Real estate loans pledged to secured borrowings obtained from Federal Home Loan Bank Loans Pledged as Collateral Loan repurchases Loans and Leases Receivable, Significant Purchases Loans and Leases Receivable, Significant Purchases Period of loan loss history and industry loss factors used to determine historical losses Loans and Leases Receivable, Allowance, Length of Historical and Industry Loss Factors Loans and Leases Receivable, Allowance, Length of Historical and Industry Loss Factors Loans greater than 90 days and accruing Impaired loans with no specific reserves Impaired Financing Receivable, with No Related Allowance, Recorded Investment Impaired loans, impaired in prior year Impaired Financing Receivable, with No Related Allowance, Recorded Investment, Impaired Prior Year Impaired Financing Receivable, with No Related Allowance, Recorded Investment, Impaired Prior Year Interest that would have been earned had impaired loans remained current in accordance with original terms Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans Troubled debt restructurings, totals Financing Receivable, Modifications, Recorded Investment Specific reserves on TDR's Financing Receivable Modifications Allocation Of Specific Reserves Financing Receivable Modifications Allocation Of Specific Reserves Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of Business Nature of Operations [Text Block] Net interest income and noninterest income Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Exercise Price Range [Axis] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] $2.97 – $3.99 Range One [Member] Range One [Member] $4.00 – $4.99 Range Two [Member] Range Two [Member] $5.00– $5.99 Range Three [Member] Range Three [Member] $6.00– $6.99 Range Five [Member] Range Five [Member] $7.00-$8.06 Range Four [Member] Range Four [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Option outstanding, exercise price, lower limit (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit Option outstanding, exercise price, upper limit (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Options vested (in shares) Options unvested (in shares) Options outstanding, weighted average exercise price (in dollars per share) Options outstanding, weighted average remaining contractual life (years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Options exercisable (in shares) Options exercisable, weighted average exercise price (in dollars per share) Weighted average remaining contractual life of options exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Fair Value Measurements Fair Value Disclosures [Text Block] Less than 12 months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Less than 12 months, Unrealized Loss Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 12 months or more, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 12 months or more, Unrealized Loss Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Total, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Total, Unrealized Loss Premises and equipment estimated useful lives Property Plant And Equipment Useful Life Table [Table Text Block] Property, Plant and Equipment, Useful Life. Components of income tax expense (benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Differences between statutory federal income tax rate and effective tax rates Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Components of deferred tax asset Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of net operating loss carryforwards Summary of Operating Loss Carryforwards [Table Text Block] Schedule of assets and liabilities measured on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Changes in Level 3 assets measured at fair value on a recurring basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Assets measured at fair value on a nonrecurring basis Fair Value Measurements, Nonrecurring [Table Text Block] Summary of significant unobservable inputs and valuation techniques Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block] Estimated fair values and related carrying amounts of financial instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Actual amount and capital ratios of Company and Bank Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding at the beginning of the year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Outstanding at the end of the year (in shares) Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Outstanding, at beginning of year (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Outstanding, at end of year (in dollars per share) Banking and Thrift [Abstract] 2018 Time Deposit Maturities, Next Twelve Months 2019 Time Deposit Maturities, Year Two 2020 Time Deposit Maturities, Year Three 2021 Time Deposit Maturities, Year Four 2022 and beyond Time Deposit Maturities, Year Five And Thereafter Time Deposit Maturities Year Five And Thereafter Total Time Deposits Major classes of premises and equipment Property, Plant and Equipment [Table Text Block] Investments Investment [Text Block] Condensed Statements of Financial Condition Condensed Balance Sheet [Table Text Block] Condensed Statements of Operations Condensed Income Statement [Table Text Block] Condensed Statements of Cash Flows Condensed Cash Flow Statement [Table Text Block] Net deferred tax assets Deferred Tax Assets, Net Income tax expense (benefit) Net operating loss carry forward Deferred Tax Assets, Operating Loss Carryforwards Net operating loss carryforward remaining years Deferred Tax Assets, Capital Loss Carryforwards, Remaining Life Deferred Tax Assets, Capital Loss Carryforwards, Remaining Life Cumulative loss period Cumulative Loss Period Cumulative Loss Period Expected income tax expense rate Effective Income Tax Rate Reconciliation, Percent Expected To Be Recognized Effective Income Tax Rate Reconciliation, Percent Expected To Be Recognized Valuation allowance Deferred Tax Assets, Valuation Allowance Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Federal Domestic Tax Authority [Member] State State and Local Jurisdiction [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Net operating loss carryforwards Operating Loss Carryforwards Unrecognized interest expense Unrecognized Tax Benefits, Interest on Income Taxes Expense Unrecognized accrued interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Schedule of quarterly financial information Quarterly Financial Information [Table Text Block] Interest income Interest expense Other income Other Income Other expenses Other Expenses Equity in undistributed earnings (loss) of subsidiaries Income tax (expense) benefit Amortized Cost Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] Securities available for sale, amortized cost, maturing in one year or less Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Securities available for sale, amortized cost, maturing over one year through five years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Securities available for sale, amortized cost, maturing over five years through ten years Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Securities available for sale, amortized cost, maturing over ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Estimated Fair Value Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Securities available for sale, estimated fair value, maturing in one year or less Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Securities available for sale, estimated fair value, maturing over one year through five years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Securities available for sale, estimated fair value, maturing over five years through ten years Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Securities available for sale, estimated fair value, maturing over ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Securities available for sale, estimated fair value, total Weighted Average Yield Available-for-sale Securities, Debt Maturities, Weighted Average Yield, Fiscal Year Maturity [Abstract] Available-for-sale Securities, Debt Maturities, Weighted Average Yield, Fiscal Year Maturity [Abstract] Weighted average yield, maturing in one year or less Available For Sale Securities Debt Maturities Within One Year Average Yield Available for sale Securities, Debt Maturities, Within One Year, Average Yield Weighted average yield, maturing over one year through five years Available For Sale Securities Debt Maturities After One Through Five Years Average Yield Available for sale Securities, Debt Maturities, After One Through Five Years, Average Yield Weighted average yield, maturing over five years through ten years Available For Sale Securities Debt Maturities After Five Through Ten Years Average Yield Available for sale Securities, Debt Maturities, After Five Through Ten Years, Average Yield Weighted average yield, maturing over ten years Available For Sale Securities Debt Maturities After Ten Years Average Yield Available for sale Securities, Debt Maturities, After Ten Years, Average Yield Weighted average yield, total Available For Sale Securities Weighted Average Yield Available for sale Securities, Weighted Average Yield Furniture and equipment Furniture and Fixtures, Gross Leasehold improvements Leasehold Improvements, Gross Premises and Equipment, gross Property, Plant and Equipment, Gross Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value Inputs, Assets, Quantitative Information [Table] Asset Class [Axis] Asset Class [Axis] Fair Value by Asset Class [Domain] Asset Class [Domain] Impaired loans Impaired Loans [Member] Impaired Loans [Member] Assets Assets [Member] Valuation Technique [Axis] Valuation Technique [Axis] Valuation Technique [Domain] Valuation Technique [Domain] Third-Party Pricing Third-Party Pricing Valuation Technique [Member] Third-Party Pricing Valuation Technique [Member] Fair Value Inputs, Assets, Quantitative Information [Line Items] Fair Value Inputs, Assets, Quantitative Information [Line Items] Assets, fair value Assets, Fair Value Disclosure Composition of loan portfolio Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Allowance for loan losses and loan balances Allowance for Credit Losses on Financing Receivables [Table Text Block] Summary of delinquency status of loans by portfolio type Past Due Financing Receivables [Table Text Block] Loans on nonaccrual status by portfolio type Schedule of Financing Receivables, Non Accrual Status [Table Text Block] Summary of loans by portfolio type and internal credit quality ratings Financing Receivable Credit Quality Indicators [Table Text Block] Schedule of impaired loans Impaired Financing Receivables [Table Text Block] Troubled debt restructurings Troubled Debt Restructurings on Financing Receivables [Table Text Block] Weighted average assumptions used to determine fair values of options granted Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Stock option activity under plans Share-based Compensation, Stock Options, Activity [Table Text Block] Additional information regarding vested and unvested options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] Summary of status of unvested options and weighted average grant date fair values of unvested options Share-based Compensation, Activity [Table Text Block] Schedule of restricted stock activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Compensation expense of non-vested stock options outstanding Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Capital/Operating Plans Regulatory Capital Requirements under Banking Regulations [Text Block] Maturities of time certificates of deposit Investments Classified by Contractual Maturity Date [Table Text Block] Change in benefit obligation: Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Benefit obligation at beginning of period Defined Benefit Plan, Benefit Obligation Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Actuarial loss/(gain) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) (Benefits paid) Defined Benefit Plan, Benefit Obligation, Benefits Paid Benefit obligation at end of period Amounts recognized in the Statement of Financial Condition Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract] Unfunded accrued SERP liability—current Liability, Defined Benefit Plan, Current Unfunded accrued SERP liability—noncurrent Liability, Defined Benefit Plan, Noncurrent Total unfunded accrued SERP liability Liability, Defined Benefit Plan Net amount recognized in accumulated other comprehensive income Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax [Abstract] Prior service cost/(benefit) Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax Net actuarial loss/(gain) Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Tax Total net amount recognized in accumulated other comprehensive income Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Accumulated benefit obligation Defined Benefit Plan, Accumulated Benefit Obligation Amortization of prior service cost/(benefit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of net actuarial loss/(gain) Defined Benefit Plan Amortization Of Net Actuarial Gain Losses Defined Benefit Plan Amortization Of Net Actuarial Gain Losses Net periodic SERP cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Computation of basic and diluted earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Antidilutive securities excluded from earnings per share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Commercial Real Estate Real Estate Portfolio Segments [Member] Real Estate Portfolio Segments [Member] Consumer and Single Family Mortgages Consumer and Residential Single Family Portfolio Segments [Member] Consumer and Residential Single Family Portfolio Segment [Member] Unallocated Unallocated Financing Receivables [Member] Financing Receivable, Allowance for Credit Losses [Line Items] Financing Receivable, Allowance for Credit Losses [Line Items] Allowance for loans individually evaluated for impairment Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment Allowance for loans collectively evaluated for impairment Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment Total allowance for loans Loans individually evaluated for impairment Financing Receivable, Individually Evaluated for Impairment Loans collectively evaluated for impairment Financing Receivable, Collectively Evaluated for Impairment Schedule of accumulated other comprehensive income, net Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Deferred tax asset: Components of Deferred Tax Assets [Abstract] Allowance for loan and lease losses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses Other than temporary impairment on securities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment Losses Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Litigation reserve Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Legal Settlements Other accrued expenses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Charitable contributions Deferred Tax Assets, Charitable Contribution Carryforwards Reserve for unfunded commitments Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies Tax credits Deferred Tax Assets, Tax Credit Carryforwards Stock based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Depreciation and amortization Deferred Tax Asset Depreciation And Amortization Deferred Tax Asset Depreciation And Amortization Unrealized losses on securities and deferred compensation Deferred Tax Assets Unrealized Losses Deferred Tax Assets, Unrealized Losses Total deferred tax assets Deferred Tax Assets, Gross Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Depreciation and amortization Deferred Tax Liabilities, Property, Plant and Equipment Other Deferred Tax Liabilities, Other Total deferred tax liabilities Deferred Tax Liabilities, Net Valuation allowance Total net deferred tax asset Major components of securities available for sale and comparison of amortized cost, estimated fair market values, and gross unrealized gains and losses Available-for-sale Securities [Table Text Block] Amortized cost and estimated fair values of securities available for sale by contractual maturities and historical prepayments based on prior twelve months of principal payments Unrealized Gain (Loss) on Investments [Table Text Block] Gross unrealized losses and fair values of investments Schedule of Unrealized Loss on Investments [Table Text Block] Other-than-temporary impairments, portion attributable to non-credit related factors recognized in other comprehensive loss Non Credit Portion Of Other Than Temporary Impairment Recorded In Accumulated Other Comprehensive Income Table [Table Text Block] Tabular disclosure of non-credit portion of other-than-temporary impairments recorded in accumulated other comprehensive income, reflecting the original non-credit loss at the time the credit impairment was determined. Schedule of cost method investments Schedule of Cost Method Investments [Table Text Block] Related Party Transactions Related Party Transactions Disclosure [Text Block] Statement of Cash Flows [Abstract] Adjustments to reconcile net income (loss) to net cash provided by operating activities: Amortization of premium on securities Accretion (Amortization) of Discounts and Premiums, Investments Net loss on sale of securities available for sale Net amortization of deferred fees and unearned income on loans Amortization of Deferred Loan Origination Fees, Net Net gain on sales of other real estate owned Gains (Losses) on Sales of Other Real Estate Net gain on sale of premises and equipment Gain (Loss) on Disposition of Property Plant Equipment Net loss on sale of other assets Gain (Loss) on Disposition of Other Assets Net gain on sale of small business administration loans Small business administration loan originations Loan Originations, Operating Activities Loan Originations, Operating Activities Proceeds from sale of small business administration loans Proceeds from Sale of Small Business Administration Loans Proceeds from Sale of Small Business Administration Loans Write down of other real estate owned Impairment of Real Estate Tax effect of restricted stock vesting Excess Tax Benefit from Share-based Compensation, Operating Activities Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Net (increase) decrease in accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Net (increase) decrease in other assets Net decrease in deferred taxes Net (increase) decrease in income taxes receivable Increase (Decrease) in Income Taxes Receivable Net increase (decrease) in accrued interest payable Net increase (decrease) in other liabilities Net decrease in interest-bearing time deposits with financial institutions Proceeds from (Payments for) in Interest-bearing Deposits in Banks Maturities of and principal payments received on securities available for sale and other stock Proceeds from Sale, Maturity and Collection of Investments Purchase of securities available for sale and other stock Payments to Acquire Marketable Securities Proceeds from sale of securities available for sale and other stock Proceeds from Sale and Maturity of Marketable Securities Principal payments received on other investments Proceeds from Sale of Equity Method Investments Purchase of other investments Payments to Acquire Equity Method Investments Proceeds from sale of other real estate owned Proceeds from Sale of Other Real Estate Net increase in loans Proceeds from sale of other assets Proceeds from Sale of Loans and Leases Held-for-investment Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Net increase in deposits Increase (Decrease) in Deposits Proceeds from borrowings Proceeds from Issuance of Debt Payments of borrowings Repayments of Debt Proceeds from exercise of common stock options Supplementary Cash Flow Information: Supplemental Cash Flow Information [Abstract] Cash paid for interest on deposits and other borrowings Interest Paid Cash paid for income taxes Income Taxes Paid Non-Cash Investing Activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Transfer of loans into other real estate owned Real Estate Owned, Transfer to Real Estate Owned Transfer of loans into other assets Transfer Mortgage Payable Participation sold accounted for as other borrowings Mortgage Loan Related to Property Sales Non-Cash Financing Activities: Cash Flow Noncash Financing Activities Disclosure [Abstract] Cash Flow Noncash Financing Activities Disclosure [Abstract] Series C Preferred Stock issued in connection with dividends on Series B Preferred Stock Dividends, Preferred Stock, Stock Exchange of Series B and Series C Preferred Stock for common stock Conversion of Stock, Amount Issued Unaudited Quarterly Information Quarterly Financial Information [Text Block] Estimated Stock Based Compensation Expense Stock Options Estimated Stock Based Compensation Expense Restricted Stock 2018 Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year One Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year One 2019 Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Two Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Two 2020 Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Three Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Three 2021 Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Four Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Four 2022 and beyond Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Five and Thereafter Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Five and Thereafter Total Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted average percentage yields on deposits Weighted Average Interest Rate Of Interest Bearing Deposits Weighted Average Interest Rate of Interest Bearing Deposits Weighted average percentage yields on time deposits Time Deposits Weighted Average Interest Rate Time Deposits, Weighted Average Interest Rate Aggregate amount of time deposits in denominations of $250,000 or more Time Deposits, at or Above FDIC Insurance Limit Federal income tax based on statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State franchise tax net of federal income tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Permanent differences Effective Income Tax Rate Reconciliation, Permanent Differences, Percent Effective Income Tax Rate Reconciliation, Permanent Differences, Percent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Total effective tax rate Effective Income Tax Rate Reconciliation, Percent Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Borrowings Schedule of Debt [Table Text Block] Schedule of FHLB borrowings Schedule of Federal Home Loan Bank, Advances, by Branch of FHLB Bank [Table Text Block] Terms of debentures remained outstanding Schedule Of Principal Amount Effective Interest Rate And Maturity Date Of Debentures And Senior Notes Table [Table Text Block] Schedule Of Principal Amount Effective Interest Rate And Maturity Date Of Debentures And Senior Notes Table. Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net income (loss) from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Denominator: Basic weighted average outstanding shares of common stock (in shares) Dilutive effect of employee stock options and contingently issuable shares (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Diluted weighted average common stock and common stock equivalents (in shares) Assets: Due from banks and interest-bearing deposits with financial institutions Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Liabilities and shareholders’ equity: Liabilities Liabilities, Excluding Junior Subordinated Debentures Liabilities, Excluding Junior Subordinated Debentures Junior subordinated debentures Subordinated Debt Shareholders’ equity Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Loan Receivable by Past Due Status [Axis] Loan Receivable By Past Due Status [Axis] Loan Receivab