Entity Central Index Key Available for sale securities debt maturities assets backed securities amortized cost. Held to maturity securities debt maturities asset backed securities amortized cost. Other comprehensive income reclassification adjustment for losses on securities transferred to held to maturity net of tax. Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag 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 Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Statement Of Financial Position [Abstract] Assets Assets [Abstract] Cash and due from banks Cash And Due From Banks Interest-bearing deposits in financial institutions Interest Bearing Deposits In Banks Federal funds sold Federal Funds Sold Total cash and cash equivalents Cash Cash Equivalents And Federal Funds Sold Securities available for sale, at fair value Available For Sale Securities Debt Securities Securities held to maturity, fair value of $49,769,285, and $49,731,169 at March 31, 2017 and December 31, 2016, respectively Held To Maturity Securities Loans held for sale Loans Receivable Held For Sale Amount Loans and leases Loans And Leases Receivable Net Of Deferred Income Less allowance for loan and lease losses Loans And Leases Receivable Allowance Loans and leases, net Loans And Leases Receivable Net Reported Amount Premises and equipment, net Property Plant And Equipment Net Restricted equity securities Restricted Investments Accrued interest receivable Accrued Investment Income Receivable Goodwill Goodwill Core deposit intangible Finite Lived Core Deposits Gross Deferred tax assets Deferred Income Tax Assets Net Bank owned life insurance Bank Owned Life Insurance Other assets Other Assets Total assets Assets Liabilities and Shareholders’ Equity Liabilities And Stockholders Equity [Abstract] Deposits: Deposits [Abstract] Non-interest-bearing Noninterest Bearing Deposit Liabilities Interest-bearing Interest Bearing Deposit Liabilities Savings and money market accounts Deposits Money Market Deposits Time Time Deposits Total deposits Deposits Federal Home Loan Bank advances Federal Home Loan Bank Advances Branch Of F H L B Bank Amount Of Advances By Branch Accrued interest payable Interest Payable Current And Noncurrent Other liabilities Other Liabilities Total liabilities Liabilities Shareholders’ equity: Stockholders Equity [Abstract] Series A convertible preferred stock, $1 par value; 5,000,000 shares authorized; 878,049 shares issued and outstanding at March 31, 2017 and December 31, 2016 Preferred Stock Value Common stock, voting, $1 par value; 20,000,000 shares authorized; 11,218,328 and 11,204,515 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively Common Stock Value Additional paid-in capital Additional Paid In Capital Retained earnings Retained Earnings Accumulated Deficit Accumulated other comprehensive loss, net of income tax Accumulated Other Comprehensive Income Loss Net Of Tax Total shareholders’ equity Stockholders Equity Total liabilities and shareholders’ equity Liabilities And Stockholders Equity Securities held to maturity, fair value Held To Maturity Securities Fair Value Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Interest income from restricted equity securities. State regulatory fees and federal deposit insurance corporation insurance expenses. Income Statement [Abstract] Interest income: Interest And Dividend Income Operating [Abstract] Loans, including fees Interest And Fee Income Loans And Leases Securities: Interest Income Securities Operating By Taxable Status [Abstract] Taxable Interest Income Securities Taxable Tax-exempt Interest Income Securities Tax Exempt Federal funds sold Interest Income Federal Funds Sold Restricted equity securities Interest Income From Restricted Equity Securities Interest-bearing deposits in financial institutions Interest Income Deposits With Financial Institutions Total interest income Interest And Dividend Income Operating Interest expense: Interest Expense [Abstract] Interest-bearing deposits Interest Expense Demand Deposit Accounts Savings and money market accounts Interest Expense N O W Accounts Money Market Accounts And Savings Deposits Time deposits Interest Expense Time Deposits Federal funds purchased Interest Expense Federal Funds Purchased Securities sold under agreements to repurchase Interest Expense Securities Sold Under Agreements To Repurchase Federal Home Loan Bank advances Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term 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 charges on deposit accounts Fees And Commissions Depositor Accounts Loan commitment fees Fees And Commissions Net gain (loss) on sale of securities Gain Loss On Sale Of Securities Net Mortgage banking income Fees And Commissions Mortgage Banking Other noninterest income Noninterest Income Other Total noninterest income Noninterest Income Noninterest expense: Noninterest Expense [Abstract] Salaries and employee benefits Labor And Related Expense Data processing and software Information Technology And Data Processing Professional fees Professional Fees Occupancy Occupancy Net Equipment Equipment Expense Regulatory fees State Regulatory Fees And Federal Deposit Insurance Corporation Insurance Expenses Other operating Other Noninterest Expense Total noninterest expense Noninterest Expense Income before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Income tax expense (benefit) Income Tax Expense Benefit Net income Net Income Loss Per share information: Earnings Per Share [Abstract] Basic net income per share of common stock Earnings Per Share Basic Diluted net income per share of common stock Earnings Per Share Diluted Weighted average shares outstanding: Weighted Average Number Of Shares Outstanding [Abstract] Basic Weighted Average Number Of Shares Outstanding Basic Diluted Weighted Average Number Of Diluted Shares Outstanding Other comprehensive income reclassification adjustment for losses on securities transferred to held to maturity before tax. Amount of tax expense (benefit), after reclassification adjustments, of losses on available-for-sale securities transferred to held-to-maturity. Statement Of Income And Comprehensive Income [Abstract] Net income Unrealized gains on securities available for sale: Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent [Abstract] Unrealized holding gains arising during the period Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax Reclassification adjustment for (gains) losses included in net income Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities Before Tax Tax effect Other Comprehensive Income Loss Available For Sale Securities Tax Net of tax Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax Unrealized losses on securities transferred to held to maturity: Other Comprehensive Income Unrealized Losses On Securities Transferred To Held To Maturity Net Of Tax Portion Attributable To Parent [Abstract] Reclassification adjustment for losses included in net income Other Comprehensive Income Reclassification Adjustment For Losses On Securities Transferred To Held To Maturity Before Tax Tax effect Other Comprehensive Income Reclassification Adjustment For Losses On Securities Transferred To Held To Maturity Tax Net of tax Other Comprehensive Income Reclassification Adjustment For Losses On Securities Transferred To Held To Maturity Net Of Tax Unrealized gains (losses) on cash flow hedges: Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent [Abstract] Unrealized holding losses arising during the period Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax Reclassification adjustment for losses included in net income Other Comprehensive Income Loss Reclassification Adjustment From A O C I On Derivatives Before Tax Tax effect Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax Net of tax Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax Other comprehensive income Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Comprehensive income Comprehensive Income Net Of Tax Shares issued during period value restricted stock award net of forfeitures and net of tax withholdings. Shares issued during period shares restricted stock award net of forfeitures and net of tax withholdings. Stock issued during period common stock warrants exercised value. Stock issued during period common stock warrants exercised shares. Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Preferred Stock Preferred Stock [Member] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid In Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income [Member] Statement [Line Items] Statement [Line Items] Beginning balance Beginning balance, shares Shares Outstanding Issuance of restricted common stock, net of forfeitures and withholdings to satisfy employee tax obligations Shares Issued During Period Value Restricted Stock Award Net Of Forfeitures And Net Of Tax Withholdings Issuance of restricted common stock, net of forfeitures and withholdings to satisfy employee tax obligations, shares Shares Issued During Period Shares Restricted Stock Award Net Of Forfeitures And Net Of Tax Withholdings Stock-based compensation expense Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Exercise of employee common stock options Stock Issued During Period Value Stock Options Exercised Exercise of employee common stock options, shares Stock Issued During Period Shares Stock Options Exercised Excess tax benefit from stock compensation Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation Exercise of common stock warrants Stock Issued During Period Common Stock Warrants Exercised Value Exercise of common stock warrants, shares Stock Issued During Period Common Stock Warrants Exercised Shares Other comprehensive income Ending balance Ending balance, shares Exercise of common stock options and warrants net of forfeitures of restricted shares and tax withholdings. Noncash loans charged off to allowance for loan and lease losses. Activities in securities available for sale. Activities in securities held to maturity. Statement Of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided By Used In Operating Activities Continuing Operations [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Accretion of discounts on acquired loans and deferred fees Amortization Of Deferred Loan Origination Fees Net Depreciation and amortization Depreciation And Amortization Net amortization of premiums on investment securities Accretion Amortization Of Discounts And Premiums Investments Securities (gains) losses, net Mortgage banking income Net loss on disposal of premises and equipment Gain Loss On Sale Of Property Plant Equipment Net (gain) loss on sale of other real estate owned Gains Losses On Sales Of Other Real Estate Stock-based compensation Share Based Compensation Excess tax benefit from stock compensation Excess Tax Benefit From Share Based Compensation Operating Activities Deferred income tax expense Deferred Income Tax Expense Benefit Origination of loans held for sale Payments For Origination And Purchases Of Loans Held For Sale Proceeds from loans held for sale Proceeds From Sale Of Loans Held For Sale Net increase in accrued interest receivable and other assets Increase Decrease In Accounts Receivable And Other Operating Assets Net increase in accrued interest payable and other liabilities Increase Decrease In Accrued Liabilities And Other Operating Liabilities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities Continuing Operations Cash flows from investing activities: Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] Activities in securities available for sale: Activities In Securities Available For Sale [Abstract] Purchases Payments To Acquire Available For Sale Securities Sales Proceeds From Sale Of Available For Sale Securities Maturities, prepayments and calls Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Activities in securities held to maturity: Activities In Securities Held To Maturity [Abstract] Maturities, prepayments and calls Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities Purchase of restricted equity securities Payments To Acquire Restricted Investments Net increase in loans Payments For Proceeds From Loans And Leases Purchase of premises and equipment Payments To Acquire Property Plant And Equipment Proceeds from the sale of premises and equipment Proceeds From Sale Of Property Plant And Equipment Proceeds from sale of other real estate Proceeds From Sale Of Other Real Estate Net cash used in investing activities Net Cash Provided By Used In Investing Activities Continuing Operations Cash flows from financing activities: Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] Net increase in deposits Increase Decrease In Deposits Proceeds from Federal Home Loan Bank advances Proceeds From Federal Home Loan Bank Advances Payments on Federal Home Loan Bank advances Repayments Of Federal Home Loan Bank Borrowings Exercise of common stock options and warrants, net of repurchase of restricted shares Exercise Of Common Stock Options And Warrants Net Of Forfeitures Of Restricted Shares And Tax Withholdings Excess tax benefit from stock compensation Excess Tax Benefit From Share Based Compensation Financing Activities Net decrease in repurchase agreements Increase Decrease In Payables Under Repurchase Agreements Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Continuing Operations Net decrease in cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Cash and cash equivalents at beginning of period Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Supplemental disclosures of cash paid: Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid Income taxes Income Taxes Paid Net Supplemental disclosures of noncash transactions: Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Loans charged off to the allowance for loan and lease losses Noncash Loans Charged Off To Allowance For Loan And Lease Losses Accounting Policies [Abstract] Summary of Significant Accounting Policies Basis Of Presentation And Significant Accounting Policies [Text Block] Investments Debt And Equity Securities [Abstract] Securities Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] Receivables [Abstract] Loans and Allowance for Loan and Lease Losses Loans Notes Trade And Other Receivables Disclosure [Text Block]