Equity Components [Axis] Common Stock Common Stock [Member] Common Stock Common Stock Warrants Additional Paid-in Capital [Member] Additional Paid-In Capital Retained Earnings / Accumulated Deficit Retained Deficit [Member] Other Comprehensive Income / Loss Accumulated Other Comprehensive Income (Loss) [Member] Legal Entity [Axis] Bank Major Types of Debt and Equity Securities [Axis] US Government Agencies [Member] Taxable Municipals Corporate Bonds Mortgage Backed Securities [Member] Receivable Type [Axis] Commercial Class of Financing Receivable [Axis] Real Estate [Member] Construction and Land Development Residential 1-4 Family Multifamily Farmland Commercial Real Estate [Member] Agriculture Consumer Installment Loans Other Loans Class of Financing Receivable, Type [Axis] Impaired Financing Receivables By Allowance Classification [Axis] Impaired Financing Receivables With No Related Allowance [Member] Other Loans [Member] Impaired Financing Receivables With Related Allowance [Member] Internal Credit Assessment [Axis] Pass Substandard Commercial Portfolio Segment [Member] Special Mention Unallocated Measurement Frequency [Axis] Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Inputs, Level 2 [Member] Investment Type [Axis] Taxable Municipals Corporate Bonds Fair Value, Inputs, Level 3 [Member] Nonrecurring Basis [Member] Other Real Estate Owned Impaired Loans Range [Axis] Minimum [Member] Maximum [Member] Fair Value, Estimate Not Practicable, Disclosure Items [Axis] Fair Value, Estimate Not Practicable, Carrying (Reported) Amount [Member] Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Trading Symbol Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filer Entity Reporting Status Current Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Income Statement [Abstract] INTEREST AND DIVIDEND INCOME Loans including fees Interest-earning deposits with banks Investments Dividends on equity securities (restricted) Total Interest and Dividend Income INTEREST EXPENSE Deposits Borrowed funds Total Interest Expense NET INTEREST INCOME PROVISION FOR LOAN LOSSES NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES NONINTEREST INCOME Service charges and fees Insurance and investment fees Other noninterest income Total Noninterest Income NONINTEREST EXPENSES Salaries and employee benefits Occupancy and equipment expense Data processing and telecommunications Other operating expenses Total Noninterest Expenses INCOME BEFORE INCOME TAXES INCOME TAX EXPENSE (BENEFIT) NET INCOME Income Per Share Basic Fully Diluted Average Weighted Shares of Common Stock Basic Fully Diluted Consolidated Statements Of Comprehensive Income Loss NET INCOME Other comprehensive income (loss): Investment Securities Activity Unrealized gains (losses) arising during the period Tax related to unrealized gains TOTAL OTHER COMPREHENSIVE INCOME (LOSS) TOTAL COMPREHENSIVE INCOME (LOSS) Statement of Financial Position [Abstract] ASSETS Cash and due from banks Interest-bearing deposits with banks Federal funds sold Total Cash and Cash Equivalents Investment securities available-for-sale Loans receivable Allowance for loan losses Net Loans Bank premises and equipment, net Other real estate owned Accrued interest receivable Deferred taxes, net Right-of-use assets - operating leases Other assets Total Assets LIABILITIES Deposits: Noninterest bearing Interest-bearing Total Deposits Borrowed funds Lease liabilities - operating leases Accrued interest payable Accrued expenses and other liabilities Total Liabilities Commitments and contingencies STOCKHOLDERS' EQUITY Common stock - $2.00 par value; 50,000,000 shares authorized; 23,922,086 shares issued and outstanding at March 31, 2018 and December 31, 2017 Additional paid-in-capital Retained deficit Accumulated other comprehensive loss Total Stockholders' Equity Total Liabilities and Stockholders' Equity Common stock, par value (in dollars per share) Common stock, authorized Common stock, issued Common stock, outstanding Statement [Table] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance at beginning Balance at beginning (in shares) Net income Exercise of common stock warrants Exercise of common stock warrants (in shares) Other comprehensive income, net of tax Balance at end Balance at end (in shares) Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES Adjustments to reconcile net income to net cash provided by operating activities: Provision for loan losses Depreciation Income on life insurance Gain on sale of premises and equipment Loss (gain) on sale of foreclosed assets Adjustment of carrying value of foreclosed real estate Accretion of bond premiums/discounts Deferred income taxes Net change in: Interest receivable Other assets Accrued interest payable Accrued expenses and other liabilities Net Cash Provided by Operating Activities CASH FLOWS FROM INVESTING ACTIVITIES Net increase in loans Purchase of securities available-for-sale Proceeds from principal paydowns of securities available-for-sale Net sale (purchase) of equity securities (restricted) Payments for the purchase of premises and equipment Proceeds from sale of premises and equipment Proceeds from sales of other real estate owned Net Cash Used In Investing Activities CASH FLOWS FROM FINANCING ACTIVITIES Exercise of common stock warrants Net decrease in Federal Home Loan Bank advances Increase in deposits Net Cash Provided by Financing Activities Net increase in cash and cash equivalents Cash and Cash Equivalents, Beginning of Period Cash and Cash Equivalents, End of Period Supplemental Disclosure of Cash Paid During the Period for: Interest Taxes Supplemental Disclosure of Non Cash Transactions: Other real estate acquired in settlement of foreclosed loans Loans made to finance sale of foreclosed real estate Change in unrealized loss on securities available-for-sale Organization, Consolidation and Presentation of Financial Statements [Abstract] NATURE OF OPERATIONS Accounting Policies [Abstract] ACCOUNTING PRINCIPLES Earnings Per Share [Abstract] EARNINGS PER SHARE Capital [Abstract] CAPITAL Investments, Debt and Equity Securities [Abstract] INVESTMENT SECURITIES Receivables [Abstract] LOANS ALLOWANCE FOR LOAN LOSSES Troubled Debt Restructurings TROUBLED DEBT RESTRUCTURINGS Property, Plant and Equipment [Abstract] OTHER REAL ESTATE OWNED Fair Value Disclosures [Abstract] FAIR VALUES Leases [Abstract] SALE AND LEASEBACK TRANSACTIONS Noninterest Expenses NONINTEREST EXPENSES Subsequent Events SUBSEQUENT EVENTS: Accounting Changes and Error Corrections [Abstract] RECENT ACCOUNTING DEVELOPMENTS ACCOUNTING PRINCIPLES Schedule of anti-dilutive income per common share Schedule of capital requirements Schedule of securities' amortized cost and estimated fair value Schedule of fair value and gross unrealized losses on investment securities in a continuous unrealized loss position Schedule of amortized cost and fair value of investment securities' contractual maturity Loans and Leases Receivable Disclosure [Abstract] Summary of loans receivable outstanding Summary of loans receivable on nonaccrual status Summary of impaired loans Summary of average impaired loans Summary of age analysis of past due loans receivable Summary of risk category of loans receivable Summary of activity in the allowance for loan losses by portfolio segment Schedule of allocation of portion of allowance Schedule of loans modified as troubled debt restructurings Schedule of other real estate Summary of assets and liabilities measured at fair value Schedule of Assets measured at fair value on a non-recurring Schedule of significant unobservable inputs in level 3 assets Estimated fair value of financial instruments Noninterest Expenses Tables Schedule of Other operating expenses, included as part of noninterest expenses Weighted average shares outstanding Weighted average dilutive shares outstanding Basic income per share Diluted income per share Total Capital to Risk Weighted Assets, Actual, Amount Total Capital to Risk Weighted Assets, Actual, Ratio Total Capital to Risk Weighted Assets, Minimum Capital Requirement, Amount Total Capital to Risk Weighted Assets, Minimum Capital Requirement, Ratio Total Capital to Risk Weighted Assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Amount Total Capital to Risk Weighted Assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio Tier 1 Capital Risk Weighted Assets, Actual, Amount Tier 1 Capital Risk Weighted Assets, Actual, Ratio Tier 1 Capital Risk Weighted Assets, Minimum Capital Requirement, Amount Tier 1 Capital Risk Weighted Assets, Minimum Capital Requirement, Ratio Tier 1 Capital Risk Weighted Assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Amount Tier 1 Capital Risk Weighted Assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio Tier 1 Capital to Average Assets, Actual, Amount Tier 1 Capital to Average Assets, Actual, Ratio Tier 1 Capital to Average Assets, Minimum Capital Requirement, Amount Tier 1 Capital to Average Assets, Minimum Capital Requirement, Ratio Tier 1 Capital to Average Assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Amount Tier 1 Capital to Average Assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio Common Equity Tier 1 Capital to Risk Weighted Assets, Actual, Amount Common Equity Tier 1 Capital to Risk Weighted Assets, Actual, Ratio Common Equity Tier 1 Capital to Risk Weighted Assets, Minimum Capital Requirement, Amount Common Equity Tier 1 Capital to Risk Weighted Assets, Minimum Capital Requirement, Ratio Common Equity Tier 1 Capital to Risk Weighted Assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Amount Common Equity Tier 1 Capital to Risk Weighted Assets, Minimum to Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Approximate Fair Value Fair Value, Less than 12 Months Unrealized Losses, Less than 12 Months Fair Value, 12 Months or More Unrealized Losses, 12 Months or More Fair Value, Total Unrealized Losses, Total Due in one year or less, Amortized Cost Due after one year through five years, Amortized Cost Due after five years through ten years, Amortized Cost Due after ten years, Amortized Cost Amortized Cost, Total Due in one year or less, Fair Value Due after one year through five years, Fair Value Due after five years through ten years, Fair Value Due after ten years, Fair Value Approximate Fair Value Due in one year or less, Weighted Average Yield Due after one year through five years, Weighted Average Yield Due after five years through ten years, Weighted Average Yield Due after ten years, Weighted Average Yield Weighted Average Yield, Total Total loans and leases Total loans receivable on nonaccrual status Recorded Investment Unpaid Principal Balance Related Allowance Impaired loans without a valuation allowance: Average Recorded Investment Interest Income Recognized Impaired loans with valuation allowance: Average Recorded Investment Interest Income Recognized Loans 30-59 Days Past Due Loans 60-89 Days Past Due Loans 90 or More Days Past Due Total Past Due Loans Current Loans Total Balance, beginning of year Charge Offs Recoveries Balance, End of period Allowance for Loan Losses, Individually Evaluated for Impairment Allowance for Loan Losses, Collectively Evaluated for Impairment Allowance for Loan Losses, Total Recorded Investment in Loans, Individually Evaluated for Impairment Recorded Investment in Loans, Collectively Evaluated for Impairment Recorded Investment in Loans, Total # of Loans Pre-Mod. Recorded Investment Post-Mod. Recorded Investment Notes to Financial Statements Total TDRs Period loan is considered to be in default, days Real Estate [Abstract] Balance, beginning of year Additions Purchases of/improvements to other real estate owned Donation of other real estate owned Transfers of premises and equipment to other real estate owned Transfers of other real estate owned to premises and equipment Proceeds from sales Proceeds from insurance claims Loans made to finance sales Adjustment of carrying value Deferred gain from sales Losses from sales Balance, end of year Available for sale investments Other real estate owned Impaired Loans Total Fair Value Valuation Technique Significant Unobservable Inputs General Range of Significant Unobservable Input Values Net Loans Time deposits FHLB advances Trust Preferred Securities Noninterest Expenses Details Advertising ATM network expense Legal and professional fees Loan related expenses Printing and supplies FDIC insurance premiums Other real estate owned, net Other Total Noninterest Expenses Deposits in and Federal Funds Sold to Banks Disclosure TextBlock Income less expenses on bank owned life insurance Increase Decrease In Loans Loans made to finance sale of foreclosed real estate Schedule of allocation of portion of allowance [table text block]. Schedule of outstanding loans receivable [table text block]. Common Equity Tier 1 Capital to risk weighted assets, minimum capital requirement ratio. Available for sale of securities percentage of yield within one year. Available for sale of securities, percentage of yield, after one but within five years. Available for sale of securities, percentage of yield, after five through ten years. Available for sale of securities, percentage of yield, after ten years. Available for sale securities, debt maturities, weighted average yield. Accounts, Notes, Loans and Financing Receivable by Class of Financing Receivable Type Farmland Agriculture Other Loans Impaired Financing Receivables by Allowance Classification Axis Impaired Financing Receivables with No Related Allowance Member Impaired Financing Receivables with Related Allowance Member Loans that are 30-59 days past due Loans that are 60-89 days past due Loans that are 90 or More Days Past Due Financing receivable allowance for credit losses individually evaluated for impairment. Troubled debt restructuring modifications number of contracts. Troubled debt restructuring modifications pre modification recorded investment. Troubled debt restructuring modifications post modification recorded investment. Total Troubled Debt Restructuring Modifications Duration Loan Is considered In Default Donation of Other Real Estate Owned Fair Value Measurements Significant Unobservable Input Value Taxable Municipals [Default Label] Corporate Bond Securities [Member] Interest and Dividend Income, Operating Interest Expense Noninterest Income Noninterest Expense Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Weighted Average Number of Shares Outstanding, Diluted Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent Cash and Cash Equivalents, at Carrying Value Loans and Leases Receivable, Allowance Assets Deposits [Default Label] Securities Loaned Liabilities Stockholders' Equity Attributable to Parent Liabilities and Equity Gain (Loss) on Disposition of Property Plant Equipment Gain (Loss) on Sale of Properties Accretion (Amortization) of Discounts and Premiums, Investments Increase (Decrease) in Accrued Interest Receivable, Net Increase (Decrease) in Other Operating Assets Increase (Decrease) in Interest Payable, Net Increase (Decrease) in Other Accrued Liabilities Net Cash Provided by (Used in) Operating Activities IncreaseDecreaseInLoans Payments to Acquire Available-for-sale Securities Net Purchase of equity securities (restricted) Payments to Acquire Property, Plant, and Equipment Net Cash Provided by (Used in) Investing Activities, Continuing Operations Proceeds from Issuance of Warrants Repayments of Federal Home Loan Bank Borrowings Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) NoninterestExpensesTextBlock Basis of Accounting, Policy [Policy Text Block] Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss Impaired Financing Receivable, with Related Allowance, Average Recorded Investment Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method Financing Receivable, Allowance for Credit Losses, Write-downs Real Estate Investments, Other Other Real Estate, Additions ImpairedLoans