Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Notes And Loans Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts Notes Loans And Financing Receivable By Receivable Type [Axis] Receivable Type [Axis] Accretion Amortization Of Discounts And Premiums Investments Net amortization on securities Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) Additional Paid In Capital Additional paid-in capital Additional Paid In Capital [Member] Additional Paid-in Capital Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Stock-based compensation expense Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash from operating activities Advances From Federal Home Loan Banks Federal Home Loan Bank advances Monthly amortizing advances with fixed rates from 0.00% to 5.25% and maturities ranging from 2014 through 2033, averaging 3.02% for 2014 Agency Mortgage Backed Securities [Member] Agency Mortgage Backed Securities [Member] Agency mortgage-backed: residential Agricultural [Member] Agricultural [Member] Agriculture Alleged Imprudent and Disloyal Purchase of Stock Authorized Alleged Imprudent And Disloyal Purchase Of Stock Authorized Alleged imprudent and disloyal purchase of company stock Allowance for Credit Losses on Financing Receivables by Portfolio Segment [Table Text Block] Allowance For Credit Losses On Financing Receivables By Portfolio Segment Table [Text Block] Activity in Allowance for Loan Losses by Portfolio Segment Amendment Flag Amendment Flag Amendment [Member] Amendment [Member] Amendment Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Shares/warrants of common stock not considered in computing diluted earnings per share Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Assets Total assets Assets [Abstract] Assets Assets Fair Value Disclosure [Abstract] Financial assets Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized loss on investments in available-for-sale debt securities impacting investments. Available For Sale Debt Securities Gross Unrealized Gain Accumulated In Investments Available for sale, Gross Unrealized Gains Available For Sale Securities Available-for-sale securities Available for sale, Fair Value Securities available for sale Available For Sale Securities Amortized Cost Available for sale, Amortized Cost Amount of accumulated pre-tax unrealized loss on securities classified as available-for-sale that have been in a loss position for twelve months or longer impacting investments. Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses Accumulated In Investments Available for sale Unrealized loss, 12 months or more Amount of accumulated pre-tax unrealized loss on securities classified as available-for-sale impacting investments. Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Investments Available for sale Unrealized loss, total Available For Sale Securities Continuous Unrealized Loss Position Fair Value Available for sale Fair value, total Amount of accumulated pre-tax unrealized loss on investments in available-for-sale securities that have been in a loss position for less than twelve months impacting investments. Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses Accumulated In Investments Available for sale Unrealized loss, less than 12 months Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value Available for sale Fair value, less than 12 months Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value Available for sale Fair value, 12 months or more Available for Sale Securities, Debt, Fair Value Available For Sale Securities Debt Fair Value Reduction in fair value of securities Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost Available for sale, five to ten years Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value Available for sale, five to ten years Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost Available for sale, one to five years Available For Sale Securities Debt Maturities After One Through Five Years Fair Value Available for sale, one to five years Available For Sale Securities Debt Maturities After Ten Years Amortized Cost Available for sale, beyond ten years Available For Sale Securities Debt Maturities After Ten Years Fair Value Available for sale, beyond ten years Available For Sale Securities Debt Maturities Amortized Cost Total Available For Sale Securities Debt Maturities Amortized Cost [Abstract] Available for sale, amortized Cost Available For Sale Securities Debt Maturities Fair Value [Abstract] Available for sale, fair value Available For Sale Securities Debt Maturities Within One Year Amortized Cost Available for sale, within one year Available For Sale Securities Debt Maturities Within One Year Fair Value Available for sale, within one year Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost Available for sale, agency mortgage-backed: residential Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value Available for sale, agency mortgage-backed: residential Available For Sale Securities Debt Securities Total Available For Sale Securities Gross Realized Gains Gross gains Available For Sale Securities Gross Realized Losses Gross losses Amount of accumulated pre-tax unrealized loss before deducting pre-tax unrealized gain on investments in available-for-sale securities impacting investments. Available For Sale Securities Gross Unrealized Loss Accumulated In Investments Available for sale, Gross Unrealized Losses Available For Sale Securities Pledged As Collateral Securities pledged, carrying values Award Type [Axis] Award Type [Axis] Bankers Acceptance Consent Order to Achieve the Minimum Capital Ratios Banking And Thrift [Abstract] Banking and Thrift [Abstract] Bank [Member] Bank [Member] Porter Bancorp and PBI Bank Bank Owned Life Insurance Bank owned life insurance Bank Owned Life Insurance Income Earnings on bank owned life insurance, net of premium expense Basis Of Accounting Policy Policy [Text Block] Basis of Presentation Basis Of Presentation And Significant Accounting Policies [Text Block] Basis of Presentation and Summary of Significant Accounting Policies Capital Total capital to risk-weighted assets Total risk-based capital to risk-weighted assets, actual amount Capital Required For Capital Adequacy Total risk-based capital to risk-weighted assets, for capital adequacy purposes, amount Capital Required For Capital Adequacy To Risk Weighted Assets Total risk-based capital to risk-weighted assets, for capital adequacy purposes, ratio Total risk-based capital, regulatory minimum Capital Required To Be Well Capitalized To Risk Weighted Assets Total capital to risk-weighted assets Capital To Risk Weighted Assets Total risk-based capital to risk-weighted assets, actual ratio Total capital to risk-weighted assets Total risk-based capital Carrying Reported Amount Fair Value Disclosure [Member] Carrying Amount Cash And Cash Equivalents At Carrying Value Ending cash and cash equivalents Beginning cash and cash equivalents Cash And Cash Equivalents Fair Value Disclosure Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net change in cash and cash equivalents Cash And Due From Banks Cash and due from financial institutions Cash Cash Equivalents And Federal Funds Sold Cash and cash equivalents Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Supplemental non-cash disclosure: Certificate Of Deposits Certificate Of Deposits Certificates of deposit Class Of Stock [Domain] Class of Stock [Domain] Commercial Portfolio Segment [Member] Commercial Commercial Real Estate [Member] Commercial Real Estate Commercial Real Estate Other Receivable [Member] Other Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Line Items] Commitments And Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Table] Commitments And Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Common Stock and Series C Preferred Stock [Member] Common Stock And Series C Preferred Stock [Member] Common Stock and Series C Preferred Stock Common Stock Equity Common Stock Equity Total common stockholders' equity (deficit) Common Stock [Member] Common Stock Common Stock No Par Value Common stock, no par Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock, no par, 86,000,000 shares authorized, 12,894,741 and 12,840,999 shares issued and outstanding, respectively Communication Communications Compensatory Damages [Member] Compensatory Damages [Member] Compensatory Damages Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Comprehensive Income Net Of Tax Net change in accumulated other comprehensive loss, net of taxes Comprehensive income (loss) Consent Order [Member] Consent Order [Member] Consent order Construction and Development Loans [Member] Construction And Development Loans [Member] Construction and development loans Construction and Land Development [Member] Construction And Land Development [Member] Construction, Land Development and Other Land Construction In Progress Gross Construction, development and other land assets Construction Loans [Member] Construction Consumer Loan [Member] Consumer Loan Consumer Portfolio Segment [Member] Consumer Corporate Bonds [Member] Corporate Bonds [Member] Corporate bonds Court Settlement [Axis] Court Settlement [Axis] Court Settlement [Axis] Court Settlement [Domain] Court Settlement [Domain] Court Settlement [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Debit Card Interchange Fee Revenue Debit Card Interchange Fee Revenue Bank card interchange fees Debt Instrument Interest Rate Effective Percentage Other debt security valuation, estimated current market rate Debt Instrument Interest Rate Stated Percentage Other debt security valuation, coupon rate Debt Instrument Term New advances maturity period Debt Restructured During 12 Months. Debt Restructured TDR Loan Modifications during 12 months Debt Securities [Member] Debt securities Debt Security [Axis] Debt Security [Axis] Declining Market Values [Member] Declining Market Values [Member] Declining Market Values Deferred Tax Assets Gross Deferred Tax Assets, Gross, Total Deferred Tax Assets Gross [Abstract] Deferred tax assets: Deferred Tax Assets, Impairment Losses Deferred Tax Assets Impairment Losses Other real estate owned write-down Deferred Tax Assets, Intangible Asset Amortization Deferred Tax Assets Intangible Asset Amortization Amortization of non-compete agreements Deferred Tax Assets Investments Net assets from acquisitions Deferred Tax Assets Liabilities Net Net deferred tax asset Deferred Tax Assets Net Net deferred tax assets before valuation allowance Deferred Tax Assets Nonaccrual Interest On Loans Deferred Tax Assets Nonaccrual Interest On Loans Nonaccrual loan interest Deferred Tax Assets Operating Loss Carryforwards Net operating loss carry-forward Deferred Tax Assets Other Other Deferred Tax Assets Other Than Temporary Impairment Deferred Tax Assets Other Than Temporary Impairment Other than temporary impairment on securities Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax Alternative minimum tax credit carry-forward Deferred Tax Assets Tax Credit Carryforwards Other New market tax credit carry-forward Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses Allowance for loan losses Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross Net unrealized loss on securities Deferred Tax Assets Valuation Allowance Valuation allowance Deferred Tax Liabilities Deferred Tax Liabilities, Net, Total Deferred Tax Liabilities [Abstract] Deferred tax liabilities: Deferred Tax Liabilities Investments FHLB stock dividends Deferred Tax Liabilities Mortgage Servicing Rights Originated mortgage servicing rights Deferred Tax Liabilities Other Other Deferred Tax Liabilities Property Plant And Equipment Fixed assets Deposit Liabilities Disclosures [Text Block] Deposits Deposit Liabilities [Line Items] Deposit Liabilities [Line Items] Deposit Liabilities [Line Items] Deposit Liabilities [Table] Deposit Liabilities [Table] Deposit Liabilities [Table] Deposits Total deposits Deposits [Abstract] Deposits Deposits Fair Value Disclosure Deposits Deposits [Line Items] Deposits [Line Items] Deposits [Line Items] Deposits Money Market Deposits Money market Deposits Savings Deposits Savings Deposits [Table] Deposits [Table] Deposits [Table] Depreciation And Amortization Depreciation and amortization Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Stock Plans and Stock Based Compensation Equity impact of fixed rate preferred stock cash dividends declared by an entity during the period. Dividends Preferred Stock Cash Fixed Rate Dividends on Series A preferred stock Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Earning On Bank Owned Life Insurance Earning On Bank Owned Life Insurance Income from bank owned life insurance Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share Basic Basic loss per common share Earnings Per Share Basic [Abstract] Basic Earnings Per Share Basic And Diluted Basic and diluted loss per common share Earnings Per Share Diluted Diluted loss per common share Earnings Per Share Diluted [Abstract] Diluted Earnings Per Share Disclosure [Line Items] Earnings Per Share Disclosure [Line Items] Earnings Per Share Disclosure [Line Items] Earnings Per Share Disclosure [Table] Earnings Per Share Disclosure [Table] Earnings Per Share Disclosure [Table] Earnings Per Share [Text Block] Earnings (Loss) per Share Employee Employee [Member] Employee Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Equity Component [Domain] Equity Component [Domain] Equity Securities [Member] Equity Estimate Of Fair Value Fair Value Disclosure [Member] Fair Value 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] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] Reconciliation of all Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs Level 3 Fair Value, Assets Measured on Nonrecurring Basis, Unobservable Input Reconciliation [Table Text Block] Fair Value Assets Measured On Nonrecurring Basis Unobservable Input Reconciliation Table [Text Block] Qualitative Information About Level Three Fair Value Measurements for Financial Instruments Measured at Fair Value on Non-Recurring Basis Fair Value Assets Measured On Recurring And Nonrecurring Basis Table [Text Block] Financial Assets Measured at Fair Value on Recuring and Non Recurring Basis Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Asset Class [Domain] 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 [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value By Asset Class [Axis] Asset Class [Axis] Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value By Balance Sheet Grouping [Text Block] Carrying Amount and Estimated Fair Values of Financial Instruments Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value By Measurement Basis [Axis] Measurement Basis [Axis] Fair Value By Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value By Strategy Type [Axis] Fair Value By Strategy Type [Axis] Fair Value By Strategy Type [Axis] Fair Value By Strategy Type [Domain] Fair Value By Strategy Type [Domain] Fair Value By Strategy Type [Domain] Fair Value Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Values Measurement Fair Value Inputs Assets Quantitative Information [Line Items] Fair Value Inputs, Assets, Quantitative Information [Line Items] Fair Value Inputs Assets Quantitative Information [Table] Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value Inputs Cap Rate Impaired loans - Commercial, Capitalization rate Fair Value Inputs Comparability Adjustments Impaired loans - Residential real estate, Adjustment for differences between the comparable sales Fair Value Inputs Discount Rate Internal discount rate used in fair value evaluation Fair Value Inputs Estimated Discount Rate for Cost to Sell Fair Value Inputs Estimated Discount Rate For Cost To Sell Estimated discounts for cost to sell Fair Value Inputs Level 1 [Member] Quoted Prices In Active Markets for Identical Assets (Level 1)