Statement of Financial Position [Abstract] Allowance for loan losses (in dollars) Loans and Leases Receivable, Allowance Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Earnings Per Share [Abstract] Earnings per share Earnings Per Share [Text Block] Receivables [Abstract] Contractual principal and interest at acquisition Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition Nonaccretable difference Certain Loans Acquired in Transfer, Nonaccretable Difference Expected cash flows at acquisition Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition Accretable yield Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Fair value of purchased credit impaired loans Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired, at Acquisition, at Fair Value Statement of Comprehensive Income [Abstract] Net income available to common shareholders Net Income (Loss) Attributable to Parent Other comprehensive loss, net of tax: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Unrealized holding (losses) gains on securities arising during the period, net of tax (benefit) expense of $(206,656), $(786,997), $(23,286) and $444,467 in 2018 and 2017, respectively Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax Reclassification adjustment for losses (gains) included in net income, net of (benefit) tax of $(280) and $54,533 in 2018 and 2017, 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 Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Credit Loss Status [Axis] Credit Loss Status [Axis] Credit Loss Status [Domain] Credit Loss Status [Domain] Non PCI Loans [Member] Receivables Other than Receivables Acquired with Deteriorated Credit Quality [Member] Receivables Other than Receivables Acquired with Deteriorated Credit Quality [Member] Purchased Credit Impaired Loans [Member] Financial Asset Acquired with Credit Deterioration [Member] 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] 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] Total loans Loans and Leases Receivable, Net of Deferred Income Derivative Instruments and Hedging Activities Disclosure [Abstract] Carrying amount of hedged asset Hedged Asset, Fair Value Hedge Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] All Other Loans [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Less: Allowance for loan losses Loans, net Loans and Leases Receivable, Net Amount Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Foothills Bancorp [Member] Foothills Bancorp [Member] Foothills Bancorp [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Cash paid upon conversion (in dollars per share) Business Combination, Cash Paid Upon Conversion Business Combination, Cash Paid Upon Conversion Common shares converted (in shares) Business Combination, Shares Issued Upon Conversion Business Combination, Shares Issued Upon Conversion Common stock, shares outstanding (in shares) Cash consideration paid Payments to Acquire Businesses, Gross Common stock issued (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Investments, Debt and Equity Securities [Abstract] Loans and Leases Receivable Disclosure [Table] Loans and Leases Receivable Disclosure [Table] Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] US Government-sponsored Enterprises Debt Securities [Member] US Government-sponsored Enterprises Debt Securities [Member] Municipal securities [Member] Municipal Securities [Member] Other debt securities [Member] Other Debt Obligations [Member] Mortgage-backed securities [Member] Residential Mortgage Backed Securities [Member] Collateral [Axis] Collateral [Axis] Collateral [Domain] Collateral [Domain] Collateral Pledged [Member] Collateral Pledged [Member] Loans and Leases Receivable Disclosure [Line Items] Loans and Leases Receivable Disclosure [Line Items] Restricted securities Debt Securities, Available-for-sale, Restricted Proceeds from sale of available-for-sale securities Proceeds from Sale of Debt Securities, Available-for-sale Loss from redemption of securities Debt Securities, Available-for-sale, Realized Loss Gross realized gains, available for sale Debt Securities, Available-for-sale, Realized Gain Number of positions Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions Organization, Consolidation and Presentation of Financial Statements [Abstract] Gross interchange and debit card transaction fees Fees And Commissions, Debit Cards, Gross Fees And Commissions, Debit Cards, Gross Network costs Fees And Commissions, Network Costs Fees And Commissions, Network Costs Interchange and debit card transaction fees Fees And Commissions, Debit Cards1 Fees And Commissions, Debit Cards1 Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Steven B. Tucker [Member] Steven B. Tucker [Member] Steven B. Tucker [Member] W. Miller Welborn [Member] W. Miller Welborn [Member] W. Miller Welborn [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Director [Member] Director [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Number of directors Related Party Transaction, Number Of Related Parties Related Party Transaction, Number Of Related Parties Number of shares sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Price per share (in dollars per share) Sale of Stock, Price Per Share Stock purchased (in shares) Related Party Transaction, Stock Purchased Related Party Transaction, Stock Purchased Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Beginning balance Loans charged off 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 expense Provision for Loan and Lease Losses Ending balance Business Combinations [Abstract] 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] 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 Goodwill Goodwill Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-sale [Table] U.S. Government-sponsored enterprises (GSEs) [Member] Mortgage-backed securities (GSEs) [Member] Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-sale [Line Items] Amortized Cost Debt Securities, Available-for-sale, Amortized Cost Gross Unrealized Gains Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Losses Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax Fair Value Debt Securities, Available-for-sale Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swap, Assets [Member] Interest Rate Swap, Assets [Member] Interest Rate Swap, Assets [Member] Interest Rate Swap, Liability [Member] Interest Rate Swap, Liability [Member] Interest Rate Swap, Liability [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Weighted average remaining maturity Derivative, Average Remaining Maturity Weighted Average Pay Rate Derivative, Average Variable Interest Rate Derivative asset, notional amount Derivative Asset, Notional Amount Hedged asset, fair value Derivative liability, notional amount Derivative Liability, Notional Amount Hedged liability, fair value Hedged Liability, Fair Value Hedge Commitments and Contingencies Disclosure [Abstract] Other Commitments Other Commitments [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Impaired and Performing Loans Receivable Schedule Of Impaired and Performing Loans Receivable [Table Text Block] Tabular disclosure of impaired and performing loans receivable during the reporting period. 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. 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. Financing Receivable Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Past Due Financing Receivables Past Due Financing Receivables [Table Text Block] 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. 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 Certain Loans Acquired Accounted For As Debt Securities Acquired During Period Schedule of Certain Loans Acquired Accounted For As Debt Securities Acquired During Period [Table Text Block] Schedule of Certain Loans Acquired Accounted For As Debt Securities Acquired During Period [Table Text Block] Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Trading Symbol Trading Symbol Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Mortgage-backed securities [Member] Collateralized Mortgage Backed Securities [Member] Securities Available for Sale, Due in one year or less, Amortized Cost Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost Securities Available for Sale, Due from one year to five years, Amortized Cost Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost Securities Available for Sale, Due from five years to ten years, Amortized Cost Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost Securities Available for Sale, Due after ten years, Amortized Cost Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost Securities Available for Sale, 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. Securities Available for Sale, Mortgage-backed securities, Amortized Cost Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost Securities Available for Sale, Due in one year or less, Fair Value Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value Securities Available for Sale, Due from one year to five years, Fair Value Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value Securities Available for Sale, Due from five years to ten years, Fair Value Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value Securities Available for Sale, Due after ten years, Fair Value Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value Securities Available for Sale, 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. Securities Available for Sale, Mortgage-backed securities, Fair Value Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value Securities available for sale Fair Value Disclosures [Abstract] 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 Non-Recurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 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 Income (Loss) [Member] AOCI Attributable to Parent [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] BALANCE Stockholders' Equity Attributable to Parent Net income Other comprehensive income (loss) Issuance of common stock Stock Issued During Period, Value, New Issues Issuance of stock grants Stock Granted, Value, Share-based Compensation, Gross Exercise of stock options Stock Issued, Value, Stock Options Exercised, Net of Tax Benefit (Expense) Cash dividends on preferred stock Dividends, Preferred Stock Redemption of preferred stock Stock Redeemed or Called During Period, Value Stock option compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition BALANCE Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Commitments and Contingent Liabilities Commitments and Contingencies Disclosure [Text Block] 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. Interim Financial Information (Unaudited) Interim Financial Information Policy [Policy Text Block] Disclosure of accounting policy for determining the interim financial information. Basis of Presentation and Accounting Estimates Use of Estimates, Policy [Policy Text Block] Accounting Changes and Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Reclassifications Reclassification, Policy [Policy Text Block] Earnings Per Common Share Earnings Per Share, Policy [Policy Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Standby Letters of Credit [Member] Standby Letters of Credit [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Standby letter of credit term, or less Line of Credit Facility, Expiration Period Commitments to extend credit Unused Commitments to Extend Credit Standby letters of credit Outstanding Off balance Sheet Risks Amount Liability Contractual amount for all off-balance sheet commitments. Interest Rate Swap [Member] Interest Rate Swap [Member] Number of derivative instruments Derivative, Number of Instruments Held Notional amount Derivative, Notional Amount Purchased securities Payments to Acquire Debt Securities, Available-for-sale Small Business Lending Fund [Abstract] Small Business Lending Fund Small Business Lending Fund Disclosure [Text Block] The entire disclosure of small business lending fund as of balance sheet date. ASSETS Assets [Abstract] 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 Cash and Cash Equivalents, at Carrying Value Securities available-for-sale, at fair value Restricted investments, at cost Investment Owned, Restricted, Cost Loans, net of allowance for loan losses of $7,156,025 at September 30, 2018 and $5,860,291 at December 31, 2017 Bank premises and equipment, net Property, Plant and Equipment, Net Foreclosed assets Repossessed Assets Goodwill and core deposit intangible, net Other Intangible Assets, Net Cash surrender value of life insurance Cash Surrender Value of Life Insurance Other assets Other Assets Total assets Assets LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] Deposits: Deposits [Abstract] 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. Subordinated debt Subordinated Debt Accrued expenses and other liabilities Other Liabilities Total liabilities Liabilities Shareholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock - $1 par value; 2,000,000 shares authorized; None issued and outstanding as of September 30,2018 and December 31,2017 Preferred Stock, Value, Issued Common stock - $1 par value; 40,000,000 shares authorized; 12,750,272 and 11,152,561 shares issued and outstanding in 2018 and 2017, 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 shareholders' equity Total liabilities and shareholders' equity Liabilities and Equity Business Combinations Business Combination Disclosure [Text Block] Debt Disclosure [Abstract] Subordinated debt Debt Disclosure [Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Significant Other Unobservable Inputs (Level 3) [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Weighted Average [Member] Weighted Average [Member] Level 3 [Member] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Impaired loans Impaired Loans Fair Value Disclosure Representing impaired loans fair value disclosure. Impaired loans, measurement input Impaired Loans, Measurement Input Impaired Loans, Measurement Input Foreclosed assets Foreclosed assets, measurement input Foreclosed Assets, Measurement Input Foreclosed Assets, Measurement Input 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 Loss (gains) from redemption and sale of securities Debt Securities, Available-for-sale, Realized Gain (Loss) Accretion on purchased credit impaired loans Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Accretion 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 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 CASH FLOWS FROM INVESTING ACTIVITIES, net of acquisitions Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Proceeds from sales, maturities, and paydowns of securities available-for-sale Proceeds from Sale and Maturity of Debt Securities, Available-for-sale Purchase of securities Payments to Acquire Marketable Securities Purchase of bank owned life insurance Payment to Acquire Life Insurance Policy, Investing Activities Purchase of restricted investments Payments to Acquire Restricted Investments Net cash and cash equivalents received (paid) in business combination Payments to Acquire Business Two, Net of Cash Acquired 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 Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities 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 Redemption of preferred stock Proceeds from (Repurchase of) Redeemable Preferred Stock Payment of dividends on preferred stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Net proceeds from subordinated debt Proceeds from Issuance of Subordinated Long-term Debt Proceeds from Federal Home Loan Bank advances and other borrowings Proceeds from (Payments for) Other Financing Activities 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. Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities NET INCREASE 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 period SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION Supplemental Cash Flow Information [Abstract] Cash paid during the period for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid during the period for income taxes Income Taxes Paid 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, 12-28, Real Estate Companies, Investment in Real Estate, Acquisition Through Foreclosure Transfer from Bank premises to foreclosed assets Real Estate Owned, Transfer to Real Estate Owned 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. Change in goodwill due to acquisition Goodwill, Acquired During Period Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Subordinated Debt [Member] Subordinated Debt [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] LIBOR [Member] London Interbank Offered Rate (LIBOR) [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Principal amount Debt Instrument, Face Amount Repayment of line of credit Repayments of Lines of Credit Interest rate Debt Instrument, Interest Rate, Stated Percentage Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Debt issuance costs Debt Issuance Costs, Net Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Table] Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Table] Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items] Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items] Certain Loans Acquired in Transfer 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 Additions Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Additions Accretion income Reclassification to accretable Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications (to) from Nonaccretable Difference Other changes, net Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) Accretable yield Capstone Bancshares Inc. [Member] Capstone Bancshares Inc. [Member] Capstone Bancshares Inc. [Member] Market price of SMBK common stock (in dollars per share) Business Acquisition, Share Price Estimated fair value of SMBK common stock issued (in shares) Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Estimated fair value of Capstone stock options Business Combination, Consideration Transferred, Other Total consideration Business Combination, Consideration Transferred Investment securities available-for-sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities Restricted investments Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Investment Owned Restricted Cost Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Investment Owned Restricted Cost Loans Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Bank owned life insurance Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Bank Owned Life Insurance The amount of assets acquired and liabilities assumed bank owned life insurance. Core deposit intangible Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Core Deposit Intangible The amount of Assets Acquired and Liabilities Assumed Core Deposit Intangible. Other real estate owned Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Other Real Estate Owned The amount of assets acquired and liabilities assumed other real estate owned. Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits Liability The amount of assets acquired and liabilities assumed deposits liability. FHLB advances and other borrowings Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt Payables and other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Tennessee Bancshares [Member] Tennessee Bancshares [Member] Tennessee Bancshares [Member] Shares of SMBK common stock issued to TN Bancshares shareholders as of May 1, 2018 (in shares) Market price of SMBK common stock on May 1, 2018 (in dollars per share) 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 Fee Income, Other Loans 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 Subordinated debt Interest Expense, Subordinated Notes and Debentures Federal Home Loan Bank advances and other borrowings Interest Expense Federal Home Loan Advances And Other Borrowings 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 Accounts1 Fees And Commissions, Depositor Accounts1 Gain (loss) on sale of securities, net Debt Securities, Realized Gain (Loss) 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. 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 Sale of foreclosed assets and related expense, net 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 Preferred stock dividends Preferred Stock Dividends, Income Statement Impact Net income available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic EARNINGS PER COMMON SHARE 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 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] 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) Stock Issued During Period, Shares, New Issues Proceeds from issuance of common stock Payments for redemption of preferred stock Payments for Repurchase of Redeemable Preferred Stock Payment of dividends on preferred stock Fair Value Disclosures Fair Value Disclosures [Text Block] Schedule of Available-For-Sale Securities Reconciliation Schedule of Available-for-sale Securities Reconciliation [Table Text Block] 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] Mortgage-backed securities (GSEs) [Member] Available-for-sale, fair value, less than 12 months Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months Available-for-sale, gross unrealized losses, less than 12 months Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Available-for-sale, fair value, 12 months or greater Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer Available-for-sale, gross unrealized losses, 12 months or greater Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Securities available for sale Debt Securities, Available-for-sale, Unrealized Loss Position Available-for-sale, gross unrealized losses, total Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss Related Party Transactions Related Party Transactions Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Pro Forma [Member] Pro Forma [Member] Pro-forma revenue Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Pro-forma net income Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual 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 Voting interests acquired Business Acquisition, Percentage of Voting Interests Acquired Pro forma revenue, acquisition Business Acquisition, Pro Forma Revenue Pro forma net income (loss) Business Acquisition, Pro Forma Net Income (Loss) Expenses Operating Expenses Fair value adjustment Goodwill, Purchase Accounting Adjustments Consecutive trading days Business Acquisition, Consecutive Trading Days Business Acquisition, Consecutive Trading Days Fair value adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Fair Value Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Fair Value 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 Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Commercial Real Estate [Member] Commercial Real Estate [Member] Residential Real Estate [Member] Residential Real Estate [Member] Loan Restructuring Modification Name [Axis] Loan Restructuring Modification Name [Axis] Loan Restructuring Modification Name [Domain] Loan Restructuring Modification Name [Domain] Trouble Debt Restructuring [Member] Trouble Debt Restructuring [Member] Financing Receivable, Modifications [Line Items] Financing Receivable, Modifications [Line Items] Loan portfolio segments Number of Reportable Segments Loans that met criteria for restructured Financing Receivable, Modifications, Recorded Investment Number of contracts, nonaccrual Financing Receivable, Nonaccrual, Number Of Contracts Financing Receivable, Nonaccrual, Number Of Contracts Number of contracts Financing Receivable, Modifications, Number of Contracts Net income available to common shareholders Weighted average common shares outstanding (in shares) Effect of dilutive stock options (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Diluted shares (in shares) Basic earnings per common share (in dollars per share) Diluted earnings per common share (in dollars per share) Schedule of Fair Value Hedge Relationships in Balance Sheet Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Fair Value Hedge Relationships on Income Statement Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of Fair Value Hedges Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] 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] Total loans 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. Total loans, net of purchase discount 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 Subsequent Events Subsequent Events [Text Block] Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Loans and Allowance for Loan Losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Presentation of Financial Information Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Unrealized holding gains arising during the period, tax expense (benefit) Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax Reclassification adjustment for losses included in net income, tax expense Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax 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 Amount [Member] Reported Value Measurement [Member] Estimated Fair Value [Member] Estimate of Fair Value Measurement [Member] Level 1 [Member] Level 2 [Member] Assets: Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Restricted investments Loans, net Loans Receivable, Fair Value Disclosure Liabilities: Liabilities [Abstract] Noninterest-bearing demand deposits Interest-bearing demand deposits Money Market and Savings deposits Savings Deposits and Money Market Accounts Fair Value Representing savings deposits and money market accounts fair value. Time deposits 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 Borrowings, Fair Value Disclosure Subordinated debt Subordinated Debt Obligations, Fair Value Disclosure Impaired loans Foreclosed assets Foreclosed Assets Fair Value Representing foreclosed assets fair value. 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 60 Days Past Due and Accruing [Member] Financing Receivable, 30 to 60 Days Past Due [Member] Financing Receivable, 30 to 60 Days Past Due [Member] 61 to 89 Days Past Due and Accruing [Member] Financing Receivable, 61 to 89 Days Past Due [Member] Financing Receivable, 61 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] 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 Schedule of Allocation of Purchase Price to Fair Value of Net Assets Acquired Schedule of Business Acquisitions, by Acquisition [Table 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 Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Interest Income Amount of Gain (Loss) Recognized in Income Derivative, Gain (Loss) on Derivative, Net