Receivables [Abstract] Impaired Financing Receivables Impaired Financing Receivables [Table Text Block] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period, Carrying Amount of Loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period Carrying Amount of Loans [Table Text Block] Tabular disclosure of certain loans acquired in transfer not accounted for as debt securities acquired during period carrying amount of loans. Past Due Financing Receivables Past Due Financing Receivables [Table Text Block] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Table Text Block] Troubled Debt Restructurings on Financing Receivables Troubled Debt Restructurings on Financing Receivables [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Allowance for Loan Losses for Impaired and Performing Loans Receivable Schedule Of Allowance For Loan Losses For Impaired and Performing Loans Receivable [Table Text Block] Tabular disclosure of allowance for loan losses for impaired and performing loans receivable during the reporting period. Financing Receivable Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Schedule of Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Movement Schedule of Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Movement [Table Text Block] Tabular disclosure of certain loans acquired in transfer accounted for as debt securities accretable yield movement. Schedule of Financing Receivable Allowance For Credit Losses Schedule Of Financing Receivable Allowance For Credit Losses [Table Text Block] Schedule detailing information related to financing receivables and activity in the allowance for credit losses account by portfolio segment. Schedule of Loan to Directors, Officers and Affiliated Parties Schedule Of Loan To Directors Officers And Affiliated Parties [Table Text Block] Tabular disclosure of loan to directors, officers and affiliated parties. Income Statement [Abstract] INTEREST INCOME Interest and Dividend Income, Operating [Abstract] Loans, including fees Interest and Fee Income, Loans and Leases Securities and interest bearing deposits at other financial institutions Interest and Dividend Income, Securities, Operating Federal funds sold and other earning assets Federal Funds Sold and Other Earning Assets Interest income on federal funds sold. Federal funds sold represent the excess federal funds held by one commercial bank which it lends to another commercial bank, usually at an agreed-upon (federal funds) rate of interest. Such loans generally are of short-duration (overnight) and the amount of other interest earning assets not otherwise specified in the taxonomy. Total interest income Interest Income, Operating INTEREST EXPENSE Interest Expense [Abstract] Deposits Interest Expense, Deposits Securities sold under agreements to repurchase Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase Federal Home Loan Bank advances and other borrowings Interest Expense Federal Home Loan Advances and Othe Rborrowings Interest expense incurred during the reporting period on FHLB advances other borrowings. Total interest expense Interest Expense Net interest income before provision for loan losses Interest Income (Expense), Net Provision for loan losses Provision Credit For Loan Losses Expensed Amount of (income) and expense related to loss from loan transactions. Net interest income after provision for loan losses Interest Income (Expense), after Provision for Loan Loss NONINTEREST INCOME Noninterest Income [Abstract] Customer service fees Fees and Commissions, Depositor Accounts Gain on sale of securities Gain (Loss) on Sale of Securities, Net Gain on sale of loans and other assets Net Gains On Sales Of Loans and Other Assets The net gain (loss) resulting from a sale of other assets , loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes. (Loss) gain on sale of foreclosed assets Gain Loss On Sale Of Foreclosed Assets The net realized gain (loss) on sale of foreclosed assets including real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Foreclosed assets also include loans that are treated as if the underlying collateral had been foreclosed because the institution has taken possession of the collateral, even though legal foreclosure or repossession proceedings have not taken place. Other noninterest income Noninterest Income, Other Total noninterest income Noninterest Income NONINTEREST EXPENSES Noninterest Expense [Abstract] Salaries and employee benefits Labor and Related Expense Net occupancy and equipment expense Net Occupancy and Equipment Expense Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense and equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses. Depository insurance Federal Deposit Insurance Corporation Premium Expense Foreclosed assets Foreclosed Real Estate Expense Advertising Advertising Expense Data processing Information Technology and Data Processing Professional services Professional Fees Amortization of intangible assets Amortization of Intangible Assets Service contracts Professional and Contract Services Expense Merger expenses Business Combination, Acquisition Related Costs Other operating expenses Other Noninterest Expense Total noninterest expenses Noninterest Expense Income before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) Net income Net Income (Loss) Attributable to Parent Preferred stock dividends Preferred Stock Dividends, Income Statement Impact Net income available to common stockholders Net Income (Loss) Available to Common Stockholders, Basic EARNINGS PER COMMON SHARE Earnings Per Share [Abstract] Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Weighted average 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 Banking and Thrift [Abstract] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Dividends Dividends Dividends payable Dividends Payable Statement of Comprehensive Income [Abstract] Net income Other comprehensive loss, net of tax: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Unrealized holding gains (losses) arising during the year, net of tax expense (benefit) of $55,405 and $(326,697) in 2017 and 2016, respectively Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Reclassification adjustment for gains included in net income, net of tax expense of $54,533 and $76,422 in 2017 and 2016, respectively Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Total other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Effect of tax rate change on unrealized gains (losses) on available for sale securities Tax Cuts and Jobs Act of 2017, Other Comprehensive Income (Loss), Reclassification from AOCI to Retained Earnings, Tax Effect Tax Cuts and Jobs Act of 2017, Other Comprehensive Income (Loss), Reclassification from AOCI to Retained Earnings, Tax Effect Total other comprehensive loss Other Comprehensive Income (Loss), Net of Tax and Adjustments Other Comprehensive Income (Loss), Net of Tax and Adjustments Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Commercial Real Estate [Member] Commercial Real Estate Portfolio Segment [Member] Consumer Real Estate [Member] Residential Portfolio Segment [Member] Construction and Land Development [Member] Construction Portfolio Segment [Member] Construction Portfolio Segment [Member] Commercial and Industrial [Member] Commercial Portfolio Segment [Member] Consumer and Other [Member] Consumer Portfolio Segment [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Beginning balance Loans and Leases Receivable, Allowance Charged-off loans Allowance for Loan and Lease Losses, Write-offs Recoveries of loans charged off Allowance for Loan and Lease Loss, Recovery of Bad Debts Provision (reallocation) charged to operating expense Provision for Loan and Lease Losses Ending balance Goodwill and Intangible Assets Disclosure [Abstract] Amortized intangible asset: Amortized Intangible Asset [Abstract] Core deposit intangible, Gross Carrying Amount Finite-Lived Intangible Assets, Gross Core deposit intangible, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Defined Benefit Plan [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted Stock [Member] Restricted Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Nonvested, beginnning of period (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/expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Nonvested, end of period (in shares) Schedule of Financing Receivables Past Due [Table] Schedule of Financing Receivables Past Due [Table] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Domain] Financing Receivables, Period Past Due [Domain] 30 to 89 Days Past Due and Accruing [Member] Financing Receivable, 30 to 89 Days Past Due [Member] Financing Receivable, 30 to 89 Days Past Due [Member] Past Due 90 Days or More and Accruing [Member] Financing Receivables, Equal to Greater than 90 Days Past Due [Member] Receivables Acquired with Deteriorated Credit Quality [Axis] Receivables Acquired with Deteriorated Credit Quality [Axis] Receivables Acquired with Deteriorated Credit Quality [Domain] Receivables Acquired with Deteriorated Credit Quality [Domain] Purchased Credit Impaired Loans [Member] Receivables Acquired with Deteriorated Credit Quality [Member] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable, Recorded Investment, Past Due [Line Items] Recorded investment, past due Financing Receivable, Recorded Investment, Past Due Nonaccrual Financing Receivable, Recorded Investment, Nonaccrual Status Total Past Due and Nonaccrual Financing Receivable, Recorded Investment, Past Due Including Nonaccrual Status Financing receivable recorded investment past due including non accrual status. Current Loans Financing Receivable, Recorded Investment, Current Total loans Loans and Leases Receivable, Net of Deferred Income Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Preferred Stock [Member] Preferred Stock [Member] Common Stock [Member] Common Stock [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Accumulated Other Comprehensive Loss [Member] AOCI Attributable to Parent [Member] Statement [Line Items] Statement [Line Items] BALANCE Stockholders' Equity Attributable to Parent BALANCE (in shares) Shares, Outstanding Net income Other comprehensive gain Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Reclassification adjustment for tax rate change Tax Cuts and Jobs Act of 2017, Reclassification from AOCI to Retained Earnings, Tax Effect Tax Cuts and Jobs Act of 2017, Reclassification from AOCI to Retained Earnings, Tax Effect Issuance of common stock Stock Issued During Period, Value, New Issues Issuance of common stock (in shares) Stock Issued During Period, Shares, New Issues Issuance of stock grants Stock Granted, Value, Share-based Compensation, Gross Issuance of stock grants (in shares) Stock Issued During Period, Shares, Share-based Compensation, Gross Redemption of preferred stock Stock Redeemed or Called During Period, Value Redemption of preferred stock (in shares) Stock Redeemed or Called During Period, Shares Conversion shares issued to shareholders of Capstone Bancshares, Inc. Stock Issued During Period, Value, Conversion of Units Conversion shares issued to shareholders of Capstone Bancshares, Inc. (in shares) Stock Issued During Period, Shares, Stock Splits Exercise of stock options Stock Issued, Value, Stock Options Exercised, Net of Tax Benefit (Expense) Exercise of stock options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Dividends on preferred stock Dividends, Preferred Stock Restricted stock compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition Stock option compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition BALANCE BALANCE (in shares) Condensed Financial Information of Parent Company Only Disclosure [Abstract] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Parent [Member] Parent [Member] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] ASSETS Assets [Abstract] Cash Cash and Cash Equivalents, at Carrying Value Investment in subsidiaries Equity Method Investments Other assets Other Assets Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Other liabilities Other Liabilities, Current Other borrowings Other Borrowings Total liabilities Liabilities Stockholders’ equity Total liabilities and stockholders’ equity Liabilities and Equity Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] All Other Loans [Member] Receivables Other than Receivables Acquired with Deteriorated Credit Quality [Member] Receivables Other than Receivables Acquired with Deteriorated Credit Quality [Member] Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Pass [Member] Pass [Member] Watch [Member] Watch [Member] Special Mention [Member] Special Mention [Member] Substandard [Member] Substandard [Member] Doubtful [Member] Doubtful [Member] Financing Receivable, Recorded Investment [Line Items] Financing Receivable, Recorded Investment [Line Items] Income Tax Disclosure [Abstract] Current tax expense Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Deferred tax expense (benefit) related to: Deferred IncomeTax Expenses Benefi [Abstract] Provision for loan losses Deferred Income Tax Expense (Benefit), Reserves and Accruals, Provision for Loan Losses Deferred Income Tax Expense (Benefit), Reserves and Accruals, Provision for Loan Losses Depreciation Deferred Income Tax Expense Benefit Depreciation Amount of other deferred income tax expense (benefit) pertaining to depreciation. Fair value adjustments Deferred Other Tax Expense (Benefit) Nonaccrual interest Deferred Income Tax Expense Nonaccrual Interest Amount of other deferred income tax expense (benefit) pertaining to nonaccrual interest. Foreclosed real estate Deferred Income Tax Expense Benefit Foreclosed Real Estate Amount of other deferred income tax expense (benefit) pertaining to foreclosed real estate. Core deposit intangible Deferred Income Tax Expense (Benefit) Core Deposit Intangible Amount of other deferred income tax expense (benefit) pertaining to core deposit intangible. Other Other Tax Expense (Benefit) Change in tax rate Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Income Tax Expense (Benefit) Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Income Tax Expense (Benefit) Total income tax expense Risks and Uncertainties [Abstract] Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Loan Portfolio Secured by Real Estate [Member] Collateral Concentration Risk [Member] Collateral Concentration Risk [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Concentration risk (as a percent) Concentration Risk, Percentage Credit extending terms to borrowers Credit Extending Terms To Borrowers The element represents the terms and conditions for extending credit borrowers. Fair Value Disclosures [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Impaired Loans [Member] Impaired Loans [Member] Foreclosed assets [Member] Foreclosed assets [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Impaired loans Impaired Loans Fair Value Disclosure Representing impaired loans fair value disclosure. Foreclosed assets Repossessed Assets Valuation Technique Fair Value Measurements, Valuation Techniques Significant Other Unobservable Input Fair Value Measurements, Significant Assumptions Weighted Average of Input (as a percent) Fair Value Inputs, Weighted Average of Input Weighted average rate of the fair value input. Deposits [Abstract] Scheduled Maturities Of Time Deposit Scheduled Maturities Of Time Deposit [Table Text Block] Tabular disclosure of the scheduled maturities of time deposits during the period. Anti-dilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Basic earnings per share computation: Earnings Per Share, Basic [Abstract] Net income available to common stockholders Average common shares outstanding - basic Basic earnings per share (in dollars per share) Diluted earnings per share computation: Earnings Per Share, Diluted [Abstract] Net income available to common stockholders Net Income (Loss) Available to Common Stockholders, Diluted Average common shares outstanding - basic Weighted Average Number Of Shares Outstanding Basic 1 Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Incremental shares from assumed conversions: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Stock options Weighted Average Number Diluted Shares Outstanding Adjustment Average common shares outstanding - diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Diluted earnings per share (in dollars per share) Deferred tax assets: Deferred Tax Assets, Net [Abstract] Allowance for loan losses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses Fair value adjustments Deferred Tax Assets Fair Value Adjustments Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences on fair value adjustments. Foreclosed real estate Deferred Tax Assets Fore Closed Asset Amount before allocation of valuation allowances of deferred tax assets attributable to deductible temporary differences from foreclosed assets. Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits State net operating loss carryforward Deferred Tax Assets, Operating Loss Carryforwards, State and Local Other Deferred Tax Assets, Other Total deferred tax assets Deferred Tax Assets, Gross Deferred tax liabilities: Deferred Tax Liabilities, Net [Abstract] Accumulated depreciation Deferred Tax Liabilities Depreciation Represents deferred tax liabilities depreciation as on the reporting period. Core deposit intangible Deferred Tax Liabilities, Intangible Assets Other Deferred Tax Liabilities, Other Total deferred tax liabilities Deferred Tax Liabilities, Net Net deferred tax asset Deferred Tax Assets, Net Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Options Non Vested Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Options Non Vested [Table Text Block] Tabular disclosure of non-vested share options (or share units) at the date of the latest statement of financial position. Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Condensed Income Statement [Table] Condensed Income Statement [Table] Condensed Income Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] INCOME Dividends Investment Income, Dividend Interest income Interest and dividend income Interest and Dividend Income, Operating EXPENSES Operating Expenses [Abstract] Interest expense Other operating expenses Operating Expenses Loss before equity in undistributed earnings of subsidiaries and income tax benefit Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Equity in undistributed earnings of subsidiaries Undistributed Earnings, Basic Income tax benefit Preferred stock dividend requirements Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Table] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Table] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] Certain Loans Acquired In Transfer Not Accounted Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance Less remaining purchase discount Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Purchase Discount This relates to loans not accounted for as debt securities, with evidence for the purchase discount and which loans are not transferred. Certain Loans Acquired In Transfer Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Net Of Purchase Discount This relates to loans not accounted for as debt securities, with evidence for the net of purchase which is acquired in the transfer of certain loans. Less: Allowance for loan losses Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses Carrying amount, net of allowance Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] Accretable yield, beginning of period Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Additions Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Additions Accretion income Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Accretion Reclassification from nonaccretable Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference Other changes, net Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) Accretable yield, end of period Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Accounting Policies [Abstract] Nature of Business Nature Of Business, Policy [Policy Text Block] Disclosure of accounting policy for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. Basis of Presentation and Accounting Estimates Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Securities Marketable Securities, Policy [Policy Text Block] Restricted-Investments Restricted Investments [Policy Text Block] Disclosure of accounting policy for restricted investments during the reporting period. Loans Loans and Leases Receivable, Valuation, Policy [Policy Text Block] Acquired Loans Acquired Loans [Policy Text Block] Disclosure of accounting policy for loans acquired resulted from business acquisition during the reporting period. Allowance for Loan Losses Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block] Troubled Debt Restructurings Loans and Leases Receivable, Troubled Debt Restructuring Policy [Policy Text Block] Foreclosed Assets Finance, Loan and Lease Receivables, Held for Investments, Foreclosed Assets Policy [Policy Text Block] Premises and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Transfer of Financial Assets Transfers and Servicing of Financial Assets, Policy [Policy Text Block] Advertising Costs Advertising Costs, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Stock Compensation Plans Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Employee Benefit Plan Pension and Other Postretirement Plans, Policy [Policy Text Block] Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Comprehensive Income Comprehensive Income, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Business Combinations Business Combinations Policy [Policy Text Block] Earnings Per Common Share Earnings Per Share, Policy [Policy Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Recently Issued Not Yet Effective Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Deposits Time and Related Party Deposits [Text Block] The entire disclosure of time and related party deposits during the period. Finite-lived Intangible Assets Amortization Expense Finite-lived Intangible Assets Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Intangible Assets and Goodwill Schedule of Intangible Assets and Goodwill [Table Text Block] Goodwill Goodwill Property, Plant and Equipment [Abstract] Land and land improvements Land Building and leasehold improvements Buildings and Improvements, Gross Furniture, fixtures and equipment Furniture and Fixtures, Gross Construction in progress Construction in Progress, Gross Total, gross Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total, net Property, Plant and Equipment, Net Investments, Debt and Equity Securities [Abstract] Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Concentration of Credit Risk Concentration Risk Disclosure [Text Block] Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain] Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain] Officer and Employee Plans [Member] Officer and Employee Plans [Member] Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Shares, Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Shares, Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Shares, Exercised Shares, Capstone options assumed in business combination Share based Compensation Arrangement by Share based Payment Award Options Retained By In Merger It represents the share based compensation arrangement by share based payment award options retained by In merger. Shares, Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Shares, Outstanding Weighted Average Exercisable Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted Average Exercisable Price, Outstanding (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted Average Exercisable Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted Average Exercisable Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted Average Exercisable Price, Capstone options assumed in business combination (in dollars per share) Share based Compensation Arrangements by Share based Payment Award Options Retained By In Merger Weighted Average Exercise Price It represents the share based compensation arrangements by share based payment award options retained by in merger weighted average exercise price. Weighted Average Exercisable Price Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Outstanding (in dollars per share) Available-for-sale Securities Available-for-sale Securities [Table Text Block] Schedule Of Available For Sale Securities and Held To Maturity Reconciliation Schedule Of Available For Sale Securities and Held To Maturity Reconciliation [Table Text Block] Tabular disclosure representing about the securities available for sale and held to maturity. Investments Classified by Contractual Maturity Date Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of Unrealized Loss on Investments Schedule of Unrealized Loss on Investments [Table Text Block] 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] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Provision for loan losses Stock option compensation expense Share-based Compensation Restricted stock compensation expense Restricted Stock or Unit Expense Net gains from sale of securities Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments Net gains from sale of loans and other assets Other Gains And Losses Of Asset Net The net other (gain) losses resulting from a sale of other assets , loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes. Net losses (gains) from sale of foreclosed assets Gains (Losses) on Sales of Other Real Estate Changes in other assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Accrued interest payable Increase (Decrease) in Interest Payable, Net Other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations CASH FLOWS FROM INVESTING ACTIVITIES, net of acquisitions Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Purchase of securities available for sale Payments to Acquire Available-for-sale Securities Proceeds from security sales, maturities, and paydowns Proceeds from Sale and Maturity of Marketable Securities Purchase (redemption) of restricted investments Proceeds from Sale of Restricted Investments Purchase (redemption) of restricted investments Payments to Acquire Restricted Investments Purchase of bank owned life insurance Payment to Acquire Life Insurance Policy, Investing Activities Loan originations and principal collections, net Payments for (Proceeds from) Loans Receivable Purchase of bank premises and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of foreclosed assets Proceeds From Sale Of Foreclosed Assets and Other Assets The cash inflow from the sale assets received in full or partial satisfaction of a receivable including real, personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts and other assets. Net cash and cash equivalents paid in business combinations Payments to Acquire Businesses, Net of Cash Acquired Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations CASH FLOWS FROM FINANCING ACTIVITIES, net of acquisitions Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Net increase in deposits Increase (Decrease) in Deposits Net decrease in securities sold under agreements to repurchase Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net Issuance of common stock Proceeds from Issuance of Common Stock Payment of dividends on preferred stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Redemption of preferred stock Proceeds from (Repurchase of) Redeemable Preferred Stock Repayment of Federal Home Loan Bank advances and other borrowings Net Payments On Federal Home Loan Bank Advances The net cash outflow associated with Federal Home Loan Bank Advances made during the period. Proceeds from Federal Home Loan Bank advances and other borrowings Proceeds from (Payments for) Other Financing Activities Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, Period Increase (Decrease) CASH AND CASH EQUIVALENTS, beginning of year CASH AND CASH EQUIVALENTS, end of year SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION Supplemental Cash Flow Information [Abstract] Cash paid during the period for interest Interest Paid Cash paid during the period for taxes Income Taxes Paid Cash received during the period from tax refunds Proceeds from Income Tax Refunds NONCASH INVESTING AND FINANCING ACTIVITIES Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Change in unrealized losses on securities available for sale Noncash Investing And Financing Activities Change In Unrealized Gains On Securities Available For Sale The change in unrealized holding gain (loss), net of tax, on available-for-sale securities included in a separate component of shareholders' equity noncash investing or financing activities. Acquisition of real estate through foreclosure SEC Schedule III, Real Estate, Acquisitions Through Foreclosures Financed sales of foreclosed assets Financed Sales Of Foreclosed Assets Represents the amount of financed sales of foreclosed assets in non-cash investing and financing activities. Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Contribution Plan Matching Range [Axis] Defined Contribution Plan Matching Range [Axis] Defined Contribution Plan Matching Range [Axis] Deferred Contribution Plan Matching Range [Domain] Defined Contribution Plan Matching Range [Domain] [Domain] for Defined Contribution Plan Matching Range [Axis] 401 (k) Matching Range One [Member] Defined Contribution Plan Range One [Member] Defined Contribution Plan Range One [Member] 401 (k) Matching Range Two [Member] Defined Contribution Plan Range Two [Member] Defined Contribution Plan Range Two [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Legacy Cornerstone Bancshares, Inc. Long-Term Incentive Plan [Member] Legacy Cornerstone Bancshares, Inc. Long-Term Incentive Plan [Member] Legacy Cornerstone Bancshares, Inc. Long-Term Incentive Plan [Member] Legacy Smart Financial Inc 2010 Incentive Plan [Member] Legacy Smart Financial Inc Two Thousand Ten Incentive Plan [Member] Stock Incentive Plan Two Thousand Fifteen [Member] Stock Incentive Plan Two Thousand Fifteen [Member] Stock Options [Member] Employee Stock Option [Member] Stock Appreciation Rights (SARs) [Member] Stock Appreciation Rights (SARs) [Member] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Deferred Salary Reduction Plan [Member] Deferred Salary Reduction Plan [Member] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Director [Member] Director [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Request service period Defined Contribution Plan, Requisite Service Period Defined Contribution Plan, Requisite Service Period Employer matching contribution, percent of match Defined Contribution Plan, Employer Matching Contribution, Percent of Match Employer matching contribution, percent of employees gross pay Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Deferred compensation arrangements, overall, description Deferred Compensation Arrangements, Overall, Description Defined contribution plan, cost recognized Defined Contribution Plan, Cost Exercise price, not less than (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Number of shares authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number Outstanding (in shares) Term of options, no more than Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Voting power held by participant (as a percent) Share-based Compensation Arrangement, Ownership Percentage by Individual Share-based Compensation Arrangement, Ownership Percentage by Individual Term of option to participants with more than ten percent voting power Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Percentage Of incentive stock options vesting on second anniversary Percentage Of Incentive Stock Options Vest On Second Anniversary Of Grant Date Percentage of incentive stock options vested on second anniversary of grant date. Percentage Of incentive stock options vesting on third anniversary Percentage Of Incentive Stock Options Vest On Third Anniversary Of Grant Date Percentage of incentive of third anniversary of grant date. Percentage Of incentive stock options vesting on fourth anniversary Percentage Of Incentive Stock Options Vest On Fourth Anniversary Of Grant Date Percentage of fourth anniversary of grant date. Percentage Of nonqualified stock options vesting on first anniversary Percentage Of Nonqualified Stock Options Vest On First Anniversary Of Grant Date Percentage of non qualified stock options vested on first anniversary of grant date. Percentage Of nonqualified stock options vesting on second anniversary Percentage Of Nonqualified Stock Options Vest On Second Anniversary Of Grant Date Percentage of non qualified stock options vested on second anniversaries of grant date. Share-based compensation expense Allocated Share-based Compensation Expense Direct stock grant expense Stock or Unit Option Plan Expense Options vested in period, fair value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Deferred tax expense from stock options exercised Deferred Tax Expense from Stock Options Exercised Options, exercises in period, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Options, outstanding, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Options, exercisable, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Proceeds from stock options exercised Proceeds from Stock Options Exercised Unrecognized compensation costs Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Unrecognized compensation costs, period for recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Number of shares granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Number of shares granted 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 Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Securities Sold Under Agreement to Repurchase [Abstract] Securities Sold Under Agreements to Repurchase Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block] Condensed Parent Information Condensed Financial Information of Parent Company Only Disclosure [Text Block] Concentration In Deposits Concentration In Deposits Disclosure [Text Block] The entire disclosure for concentrations in deposits existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] U.S. Government-sponsored enterprises (GSEs) [Member] US Government-sponsored Enterprises Debt Securities [Member] Muncipal Securities [Member] Muncipal Securities [Member] Other Debt Securities [Member] Other Debt Obligations [Member] Mortgage Backed Securities [Member] Residential Mortgage Backed Securities [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Debt securities available-for-sale: Marketable Securities [Abstract] Amortized Cost Available-for-sale Debt Securities, Amortized Cost Basis Gross Unrealized Gains Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Losses Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Fair Value Available-for-sale Securities Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Adjustments to reconcile net income to net cash used in operating activities: Equity in undistributed income of subsidiary Equity In Undistributed Income Of Subsidiary The income that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the income for the period had been distributed. Other CASH FLOWS FROM FINANCING ACTIVITIES Proceeds from issuance of note payable Proceeds from Notes Payable Repayment of note payable Repayments of Notes Payable Proceeds from issuance of common stock Payment of dividends on preferred stock CASH FLOWS FROM INVESTING ACTIVITIES Net cash for purchase of Capstone Bancshares, Inc. Payments to Acquire Businesses and Interest in Affiliates Capital injection in subsidiary Payments of Distributions to Affiliates Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Impaired loans without a valuation allowance, Recorded Investment Impaired Financing Receivable, with No Related Allowance, Recorded Investment Impaired loans without a valuation allowance, Unpaid Principal Balance Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance Impaired loans without a valuation allowance, Average Recorded Investment Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment Impaired loans without a valuation allowance, Interest Income Recognized Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method Impaired loans with a valuation allowance, Recorded Investment Impaired Financing Receivable, with Related Allowance, Recorded Investment Impaired loans with a valuation allowance, Unpaid Principal Balance Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance Impaired loans with a valuation allowance, Related Allowance Impaired Financing Receivable, Related Allowance Impaired loans with a valuation allowance, Average Recorded Investment Impaired Financing Receivable, with Related Allowance, Average Recorded Investment Impaired loans with a valuation allowance, Interest Income Recognized Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method Total impaired loans, Recorded Investment Impaired Financing Receivable, Recorded Investment Total impaired loans, Unpaid Principal Balance Impaired Financing Receivable, Unpaid Principal Balance Total impaired loans, Average Recorded Investment Impaired Financing Receivable, Average Recorded Investment Total impaired loans, Interest Income Recognized Impaired Financing Receivable, Interest Income, Cash Basis Method Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Carrying Value [Member] Reported Value Measurement [Member] Estimated Fair Value [Member] Estimate of Fair Value Measurement [Member] Assets: Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Securities available-for-sale Restricted investments Investment Owned, at Fair Value Loans, net Loans Receivable, Fair Value Disclosure Liabilities: Liabilities [Abstract] Noninterest-bearing demand deposits Noninterest Bearing Demand Deposits Representing non interest bearing demand deposits fair value. Interest-bearing demand deposits Interest Bearing Demand Deposits Representing interest bearing demand deposits fair value. Savings deposits Savings Deposits and Money Market Accounts Fair Value Representing savings deposits and money market accounts fair value. Time deposits Time Deposits Fair Value Representing time deposits fair value. Securities sold under agreements to repurchase Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure Federal Home Loan Bank advances and other borrowings Federal Home Loan Bank Advances and Other Borrowings Fair Value Representing federal home loan bank advances and other borrowings fair value. Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation Fair Value, Assets Measured on Nonrecurring Basis, Unobservable Input Reconciliation [Table Text Block] Tabular disclosure of the fair value measurement of assets on non-recurring basis using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Fair Value, Assets and Liabilities Measured on Nonrecurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Fair Value of Assets and Liabilities Fair Value Disclosures [Text Block] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Performing [Member] Performing Financial Instruments [Member] Impaired Loans [Member] Nonperforming Financial Instruments [Member] Allowance for loan losses Mortgage-backed securities [Member] Securities in unrealized loss positions (Number of investments) Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Available-for-sale securities pledged as collateral Available-for-sale Securities Pledged as Collateral Accounting Policies [Table] Accounting Policies [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Building and Leasehold Improvements [Member] Building and Building Improvements [Member] Furniture and Equipment [Member] Furniture and Fixtures [Member] Collateral [Axis] Collateral [Axis] Collateral [Domain] Collateral [Domain] Residential Real Estate [Member] Residential Real Estate [Member] Accounting Policies [Line Items] Accounting Policies [Line Items] Federal Reserve Bank, reserve requirement Federal Reserve Bank Reserve Requirement Amount of cash or deposit reserve required to be maintained with federal reserve bank. Mortgage loans in process of foreclosure Mortgage Loans in Process of Foreclosure, Amount Useful life Property, Plant and Equipment, Useful Life Impairment of intangible assets Impairment of Intangible Assets, Finite-lived Advertising Expense Debt Disclosure [Abstract] Federal Home Loan Bank Advances and Other Borrowings Federal Home Loan Bank Advances, Disclosure [Text Block] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] SmartFinancial, Inc. [Member] SmartFinancial, Inc. [Member] Smart Bank [Member] Smart 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), Actual Amount Capital Tier 1 Capital (to Risk-Weighted Assets), Actual Amount Tier One Risk Based Capital Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Amount Common Equity Tier One Risk Based Capital Common equity Tier 1 Risk Based Capital as defined in the regulations. Tier 1 Capital (to Average Assets), Actual Amount Tier One Leverage Capital Total Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) Capital to Risk Weighted Assets Tier 1 Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) Tier One Risk Based Capital to Risk Weighted Assets Common Equity Tier 1 Capital (to Risk-Weighted Assets), Actual Ratio (as a percent) Common Equity Tier one Risk Based Capital To Risk Weighted Assets Common equity Tier 1 capital divided by risk weighted assets as defined by regulations. Tier 1 Capital (to Average Assets), Actual Ratio (as a percent) Tier One Leverage Capital to Average Assets Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount Capital Required for Capital Adequacy Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount Tier One Risk Based Capital Required for Capital Adequacy Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Amount Common Equity Tier One Risk Based Capital Required For Capital Adequacy The minimum amount of common equity Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Amount Tier One Leverage Capital Required for Capital Adequacy Total Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) Capital Required for Capital Adequacy to Risk Weighted Assets Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum for capital adequacy purposes Ratio (as a percent) Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets The minimum common equity Tier One Capital Ratio (Common equity Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. Tier 1 Capital (to Average Assets), Minimum for capital adequacy purposes Ratio (as a percent) Tier One Leverage Capital Required for Capital Adequacy to Average Assets Total Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Amount Capital Required to be Well Capitalized Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Amount Tier One Risk Based Capital Required to be Well Capitalized Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Amount Common Equity Tier One Risk Based Capital Required To Be Well Capitalized The amount of common equity Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action. Tier 1 Capital (to Average Assets), Minimum to be well capitalized under prompt corrective action provisions Amount Tier One Leverage Capital Required to be Well Capitalized Total Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) Capital Required to be Well Capitalized to Risk Weighted Assets Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets Common Equity Tier 1 Capital (to Risk-Weighted Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets The Common equity Tier 1 capital ratio (common equity Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. Tier 1 Capital (to Average Assets), Minimum to be well capitalized under prompt corrective action provisions Ratio (as a percent) Tier One Leverage Capital Required to be Well Capitalized to Average Assets Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] 2018 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Total Finite-Lived Intangible Assets, Net Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Capstone Bancshares Inc. [Member] Capstone Bancshares Inc. [Member] Capstone Bancshares Inc. [Member] Contractual principal and interest at acquisition Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition Nonaccretable difference Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Nonaccretable Difference Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Nonaccretable Difference Expected cash flows at acquisition Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition Accretable yield Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Basis in PCI loans at acquisition-estimated fair value Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] 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 Time Deposit Maturities, Year Five Thereafter Time Deposit Maturities, after Year Five Total Time Deposits Maturities, after Next Twelve Months Small Business Lending Fund [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Shareholders' Equity Class [Axis] Shareholders' Equity Class [Axis] Fair Value by Shareholders' Equity Class [Domain] Fair Value by Shareholders' Equity Class [Domain] SBLF Program [Member] SBLF Program [Member] Class of Stock [Line Items] Class of Stock [Line Items] Preferred stock, shares issued Preferred Stock, Shares Issued Share price (in dollars per share) Share Price Preferred stock, dividend rate (as a percent) Preferred Stock, Dividend Rate, Percentage Issuance of common stock in public offering (in shares) Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Payments for redemption of preferred stock Payments for Repurchase of Redeemable Preferred Stock Payment of dividends on preferred stock 2018 Federal Home Loan Bank, Advances, Maturities Summary, in Next Rolling Twelve Months 2022 Federal Home Loan Bank, Advances, Maturities Summary, in Rolling Year Five Employee Benefit Plans Compensation and Employee Benefit Plans [Text Block] Schedule of Assets Sold under Agreements to Repurchase [Table] Schedule of Assets Sold under Agreements to Repurchase [Table] Assets Sold under Agreements to Repurchase [Line Items] Assets Sold under Agreements to Repurchase [Line Items] Securities sold under agreement to repurchase, maturity of agreement Securities Sold Under Agreement to Repurchase, Maturity of Agreement Securities Sold Under Agreement to Repurchase, Maturity of Agreement Securities sold under agreements to repurchase Securities Sold under Agreements to Repurchase Business Combination Business Combination Disclosure [Text Block] Schedule of Federal Home Loan Bank Advances, by Branch of FHLB Bank [Table] Schedule of Federal Home Loan Bank Advances, by Branch of FHLB Bank [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Subsidiaries [Member] Subsidiaries [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Prime Rate [Member] Prime Rate [Member] Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Federal Home Loan Bank Advances [Member] Federal Home Loan Bank Advances [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Long-term advance dated January 10, 2007, Fixed Interest at 4.25, with a put option exercisable in January 2008 and then quarterly thereafter, principal due in January 2017 [Member] Long-term advance Dated January 10, 2007,Fixed Interest at 4.25, [Member] Period [Axis] Period [Axis] Period [Domain] Period [Domain] Fiscal quarter 2019 [Member] Fiscal quarter 2019 [Member] Fiscal quarter 2020 [Member] Fiscal quarter 2020 [Member] Fiscal Quarter 2021 [Member] Fiscal Quarter 2021 [Member] Fiscal Quarter 2021 [Member] Fiscal Quarter 2022 [Member] Fiscal Quarter 2022 [Member] Fiscal Quarter 2022 [Member] Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Initial line of credit period Line of Credit Facility, Initial Period Line of Credit Facility, Initial Period Variable rate, floor (as a percent) Line of Credit Facility, Variable Rate, Floor, Percentage Line of Credit Facility, Variable Rate, Floor, Percentage Basis spread on variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Amortization Amortization Covenant compliance, ratio of non-performing assets as a percentage total assets, not to be greater than Debt Instrument, Covenant Terms, Ratio of Non-performing Assets as a Percentage Total Assets Debt Instrument, Covenant Terms, Ratio of Non-performing Assets to Total Assets Covenant compliance, Texas ratio, not to be greater than (as a percent) Debt Instrument, Covenant Terms, Texas Ratio, Non-performing Assets as a Percentage of Tangible Equity and Allowance for Loan and Lease Losses Debt Instrument, Covenant Terms, Texas Ratio, Non-performing Assets as a Percentage of Tangible Equity and Allowance for Loan and Lease Losses Covenant compliance, liquidity ratio, not to be less than (as a percent) Debt Instrument, Covenant Terms, Liquidity Ratio, Percent Debt Instrument, Covenant Terms, Liquidity Ratio, Percent Covenant compliance, liquidity ratio in consecutive quarters, not to be less than (as a percent) Debt Instrument, Covenant Terms, Liquidity Ratio in Consecutive Quarters, Percent Debt Instrument, Covenant Terms, Liquidity Ratio in Consecutive Quarters, Percent Covenant terms, return on average assets, next nine months (as a percent) Debt Instrument, Covenant Terms, Return on Average Assets, Next Nine Months, Percent Debt Instrument, Covenant Terms, Return on Average Assets, Next Nine Months, Percent Covenant terms, return on average assets, thereafter (as a percent) Debt Instrument, Covenant Terms, Return on Average Assets, Thereafter, Percent Debt Instrument, Covenant Terms, Return on Average Assets, Thereafter, Percent Covenant terms, debt service coverage ratio Debt Instrument, Covenant Terms, Debt Service Coverage Ratio, Percent Debt Instrument, Covenant Terms, Debt Service Coverage Ratio, Percent Total risk-based capital ratio required to well-capitalized Tier 1 risk-based capital ratio required to be well capitalized Tier 1 leverage ratio required to be well capitalized Covenant compliance, interest coverage ratio, not to be less than Debt Instrument, Covenant Terms, Interest Coverage Ratio Debt Instrument, Covenant Terms, Interest Coverage Ratio Long-term line of credit Long-term Line of Credit Carrying value of securities pledged to Federal Home Loan Bank Carrying Value Of Securities Pledged To Federal Home Loan Bank Represents carrying value of securities pledged to federal home loan bank during the reporting period. Federal Home Loan Bank, advances, interest rate (as a percent) Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate Interest rate at period end (as a percent) Line of Credit Facility, Interest Rate at Period End Federal Home Loan Bank borrowings, fair value Federal Home Loan Bank Borrowings, Fair Value Disclosure Federal funds purchased Federal Funds Purchased Loans and Allowance for Loan Losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Small Business Lending Fund Small Business Lending Fund Disclosure [Text Block] The entire disclosure of small business lending fund as of balance sheet date. Premises and Equipment Property, Plant and Equipment Disclosure [Text Block] Due in one year or less, Amortized Cost Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Due from one year to five years, Amortized Cost Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Due from five years to ten years, Amortized Cost Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Due after ten years, Amortized Cost Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Debt Securities, Amortized Cost Available For Sale Securities Debt Maturities Before Without Single Maturity Date Amortized Cost Representing the available securities for sale before without single maturity date amortized cost. Mortgage-backed securities, Amortized Cost Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis Due in one year or less, Fair Value Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due from one year to five years, Fair Value Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Due from five years to ten years, Fair Value Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Due after ten years, Fair Value Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Debt securities, Fair Value Available For Sale Securities Debt Maturities Before Without Single Maturity Date Fair Value Representing available for sale securities debt maturities before without single maturity date fair value. Mortgage-backed securities, Fair Value Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value Fair Value Available-for-sale Securities, Debt Securities Statement of Financial Position [Abstract] Allowance for loan losses (in dollars) Preferred Stock, Par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Cash and due from banks Cash and Due from Banks Interest-bearing deposits at other financial institutions Interest-bearing Deposits in Banks and Other Financial Institutions Federal funds sold Federal Funds Sold Total cash and cash equivalents Securities available for sale Restricted investments, at cost Investment Owned, Restricted, Cost Loans, net of allowance for loan losses of $5,860,291 in 2017 and $5,105,255 in 2016 Loans and Leases Receivable, Net Amount Bank premises and equipment, net Goodwill and core deposit intangible, net Other Intangible Assets, Net Cash surrender value of life insurance Cash Surrender Value of Life Insurance Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Deposits: Noninterest-bearing demand deposits Noninterest-bearing Deposit Liabilities Interest-bearing demand deposits Demand Deposit Accounts Money market and savings deposits Deposits, Savings Deposits Time deposits Time Deposits Total deposits Deposits Securities sold under agreement to repurchase Federal Funds Purchased and Securities Sold under Agreements to Repurchase Federal Home Loan Bank advances and other borrowings Federal Home Loan Bank Advances and Other Borrowings The aggregate carrying amount of all Federal Home Loan Bank loans (advances) and also includes other borrowings. Accrued expenses and other liabilities Other Liabilities Total liabilities Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock - $1 par value; 2,000,000 shares authorized; None issued and outstanding as of December 31, 2017; 12,000 issued and outstanding in 2016 Preferred Stock, Value, Issued Common stock - $1 par value; 40,000,000 shares authorized; 11,152,561 and 5,896,033 shares issued and outstanding in 2017 and 2016, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders' equity Total liabilities and stockholders' equity Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Regulatory Matters Regulatory Capital Requirements under Banking Regulations [Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Atlantic Capital Bank, N.A. [Member] Atlantic Capital Bank, N.A. [Member] Atlantic Capital Bank, N.A. [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Total consideration in cash Payments to Acquire Businesses, Gross Fair value of assets acquired and liabilities assumed: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Loans Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Assets Premises and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Core deposit intangible Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Prepaid and other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Deposits Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities Payables and other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable and Other Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable and Other Liabilities Total fair value of net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Schedule of Future Minimum Rental Payments for Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Earnings Per Share Earnings Per Share [Text Block] Debt Security [Axis] Debt Security [Axis] Major Types Of Debt Securities [Domain] Major Types of Debt Securities [Domain] Less than 12 Months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Less than 12 Months, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss 12 Months or Greater, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 12 Months or Greater, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss Total, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Total, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss Other Commitments Other Commitments [Table Text Block] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Financing Receivable, Modifications [Line Items] Financing Receivable, Modifications [Line Items] Number of Contracts Financing Receivable, Modifications, Number of Contracts Pre-Modification Outstanding Recorded Investment Financing Receivable, Modifications, Pre-Modification Recorded Investment Post-Modification Outstanding Recorded Investment Financing Receivable, Modifications, Post-Modification Recorded Investment Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Foreclosed assets Foreclosed Assets Fair Value Representing foreclosed assets fair value. Ownership interest (as a percent) Equity Method Investment, Ownership Percentage Exchange of shares Business Combination Exchange of Shares Business combination exchange of shares. Cash payment per share (in dollars per share) Business Combination, Consideration Transferred, Equity Interests Issued or Issuable, Price per Share Business Combination, Consideration Transferred, Equity Interests Issued or Issuable, Price per Share Percentage of common stock consideration transferred Business Combination, Consideration Transferred, Equity Interests Issued or Issuable, Percent Business Combination, Consideration Transferred, Equity Interests Issued or Issuable, Percent Percentage of cash consideration transferred Business Combination, Consideration Transferred, Payments to Acquire Business, Percent Business Combination, Consideration Transferred, Payments to Acquire Business, Percent Pro forma, nonrecurring costs Business Acquisition Pro Forma Nonrecurring Costs Business acquisition pro forma nonrecurring costs. Pro forma, revenue of acquiree since acquisition date, actual Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Pro forma information, earnings (loss) since acquisition date, actual Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Pro forma revenue Business Acquisition, Pro Forma Revenue Pro forma net income (loss) Business Acquisition, Pro Forma Net Income (Loss) Document And Entity Information [Abstract] Document Type Document Type