Cover [Abstract] Amendment Flag Current Fiscal Year End Date Document Period End Date Entity Address, State or Province Entity Current Reporting Status Entity Filer Category Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Entity Interactive Data Current Entity Shell Company Entity Emerging Growth Company Entity Ex Transition Period Entity Small Business Award Type [Axis] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] Accretion and amortization Accretion (Amortization) of Discounts and Premiums, Investments Accrued interest payable Accrued expenses and other liabilities Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss) [Member] Additional paid-in capital Additional Paid-in Capital [Member] Adjustments to reconcile net income to net cash from operating activities: Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Allowance for Loan Losses [Roll Forward] Charge-offs Allowance for Loan and Lease Losses, Write-offs Recoveries Allowance for Loan and Lease Loss, Recovery of Bad Debts Activity in Allowance for Loan Losses and Investment in Loans Disaggregated Based on Method of Evaluating Impairment Financing Receivable, Allowance for Credit Loss [Table Text Block] Asset-backed and Other Amortizing Securities [Member] ASSETS Assets [Abstract] Total assets Assets Auto Loans [Member] Automobile Loan [Member] Gross unrealized gains Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax Available for sale [Abstract] Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract] Amortized cost Debt Securities, Available-for-sale, Amortized Cost Available for sale, Unrealized Loss [Abstract] Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract] Securities available for sale [Abstract] Gross unrealized losses Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax Within 1 year Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value After 10 years Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost Available for Sale, Amortized Cost [Abstract] Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract] Available for sale, Fair Value [Abstract] Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] Available for Sale, Fair Value [Abstract] Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract] Within 1 year Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost After 10 years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value After 5 years through 10 years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost Other Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost After 1 year through 5 years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost After 5 years through 10 years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value After 1 year through 5 years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value Other Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value Fair value Fair value Securities available for sale Balance Sheet Location [Domain] Balance Sheet Location [Axis] Bank-owned life insurance Earnings on bank-owned life insurance Bank Owned Life Insurance Income Basis of Presentation Liabilities assumed [Abstract] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract] Deferred tax liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Securities available for sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities Assets acquired [Abstract] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract] Other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Core deposit intangible Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Total assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Business combination measurement period adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period Ownership interest Business Acquisition, Percentage of Voting Interests Acquired Acquisition expenses Business Acquisition, Transaction Costs Business Acquisition [Line Items] Business Acquisition [Axis] BUSINESS COMBINATIONS [Abstract] Business Acquisition, Acquiree [Domain] Goodwill recognized expected to be deductible for income tax purposes Business Acquisition, Goodwill, Expected Tax Deductible Amount Premises and equipment, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combinations [Abstract] Business Combination, Description [Abstract] BUSINESS COMBINATIONS Non-credit impaired loans fair value Net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Assets Acquired and Liabilities Assumed [Abstract] Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract] Actual, Amount Total Capital to Risk Weighted Assets [Abstract] Actual, Ratio Capital to Risk Weighted Assets To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio Capital Required to be Well Capitalized to Risk Weighted Assets Carrying Amount [Member] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Ending cash and cash equivalents Beginning cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash and due from banks Supplemental schedule of noncash investing and financing activities: Cash Flow Swaps [Member] Cash Flow Hedging [Member] Collateralized Mortgage Obligations [Member] Commercial Real Estate [Member] Commercial Real Estate Portfolio Segment [Member] Commercial [Member] Commercial Portfolio Segment [Member] Commitments to Grant Loans and Unfunded Commitments Under Lines of Credit [Member] COMMITMENTS AND CONTINGENCIES [Abstract] COMMITMENTS AND CONTINGENCIES Common Stock [Member] Actual, Amount Common Equity Tier One Capital Change in Capital Structure [Abstract] Cash dividends, common (in dollars per share) Actual, Ratio Common Equity Tier One Capital Ratio To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount Common Equity Tier One Capital Required to be Well-Capitalized Common Tier 1 (CET1) [Abstract] Common Equity Tier One Capital [Abstract] Common stock, par value (in dollars per share) Common stock, shares issued (in shares) Common stock, shares authorized (in shares) Number of shares of common stock authorized (in shares) Balance (in shares) Balance (in shares) Common stock, shares outstanding (in shares) Common stock, $1.00 par value per share, 30,000,000 shares authorized; 18,056,014 and 18,036,115 issued and outstanding at March 31, 2020 and December 31, 2019, respectively Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Consolidated [Member] Consolidated Entities [Member] Consolidation Construction [Member] Construction [Member] Consumer [Member] Consumer Portfolio Segment [Member] Core Deposits Intangible [Member] Credit Facility [Domain] Credit Facility [Axis] Customer Relationships [Member] Doubtful [Member] Carrying value of securities pledged to collateralize public deposits and for other purposes Debt Securities, Available-for-sale, Restricted 12 months or more Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer Number of securities with an unrealized loss Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions Total Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss Total Debt Securities, Available-for-sale, Unrealized Loss Position Less than 12 months Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months Realized gain on sale of securities 12 months or more Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Less than 12 months Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss BORROWING ARRANGEMENTS [Abstract] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] BORROWING ARRANGEMENTS Debt Instrument [Line Items] Debt Instrument, Name [Domain] Debt instrument, face amount Debt instrument, initial interest rate Debt instrument, maturity date Debt Instrument, Maturity Date Total deposits Deposits Deposits Deposits, Fair Value Disclosure Deposits: Deposits [Abstract] Depreciation and amortization Notional amount and fair value of mortgage banking derivatives in Consolidated Balance Sheets [Abstract] Derivative Instrument Detail [Abstract] Asset derivatives Derivative Asset Derivative liability, notional amount DERIVATIVES [Abstract] Derivative Instrument [Axis] Derivative asset, notional amount DERIVATIVES Liability derivatives Derivative Liability Fair value hedges included in Consolidated Balance Sheets [Abstract] Derivative, Fair Value, Net [Abstract] Derivative asset, fair value Derivative liability, fair value Hedging Relationship [Axis] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Line Items] Derivative Contract [Domain] STOCK-BASED COMPENSATION [Abstract] STOCK-BASED COMPENSATION Cash dividends, common Dividends, Common Stock, Cash EARNINGS PER SHARE Diluted earnings per share (in dollars per share) Diluted (in dollars per share) Basic earnings per share (in dollars per share) Basic (in dollars per share) Basic [Abstract] EARNINGS PER SHARE [Abstract] Earnings per share: Unrecognized compensation cost Weighted average remaining period, recognition of compensation cost Stock Option [Member] Share-based Payment Arrangement, Option [Member] Employment Agreements [Member] Equity Component [Domain] Fair Value [Member] Fair Value Measurement Inputs and Valuation Techniques [Abstract] Financial instruments whose contract amounts represent credit risk outstanding Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability FAIR VALUE DISCLOSURES [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Recurring [Member] Assets (Liabilities) Measured at Fair Value on Recurring and Non-Recurring Basis Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Fair Value, Measurement Frequency [Domain] Nonrecurring [Member] Quantitative Information about Non-Recurring Level 3 Fair Value Measurements Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Measurement Inputs and Valuation Techniques [Table] Measurement Frequency [Axis] Measurement Basis [Axis] FAIR VALUE DISCLOSURES Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, by Balance Sheet Grouping [Table] Estimated Fair Values, and Related Carrying Amounts of Financial Instruments Fair Value Measurement [Domain] Level 1 [Member] Level 3 [Member] Level 2 [Member] Subordinated debt securities Subordinated Debt Obligations, Fair Value Disclosure Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] Fair Value Hedging [Member] FHLB Letters of Credit [Abstract] Federal Home Loan Bank, Advances, Activity for Year [Abstract] Loans Financing Receivable, Held-for-investment [Policy Text Block] Financial liabilities [Abstract] Financial Instrument [Axis] Financial assets [Abstract] Past Due Financing Receivable, Past Due Financing Receivable, Recorded Investment [Line Items] Financing Receivable Portfolio Segment [Axis] Summary of Internal Classifications of Loans Financing Receivable Credit Quality Indicators [Table Text Block] Troubled debt restructurings Financing Receivable, Troubled Debt Restructuring Class of Financing Receivable, Type [Domain] Class of Financing Receivable [Domain] Financing Receivables, Period Past Due [Domain] Financing Receivable, Recorded Investment, Past Due [Line Items] 90 Days or More Past Due [Member] Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Nonaccrual Financing Receivable, Nonaccrual Class of Financing Receivable [Axis] Class of Financing Receivable, Type [Axis] Collectively Evaluated Financing Receivable, Collectively Evaluated for Impairment Financing Receivables, Period Past Due [Axis] Individually Evaluated Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment Individually Evaluated Financing Receivable, Individually Evaluated for Impairment Age Analysis on Accruing Past-due Loans and Nonaccrual Loans [Abstract] Financing Receivable, Recorded Investment, Aging [Abstract] Financing Receivable, Impaired [Line Items] Financing Receivable Portfolio Segment [Domain] Allowance for Loan Losses [Abstract] Allowance for Loan Losses [Abstract] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Losses [Line Items] Collectively Evaluated Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment Other intangible assets, gross Finite-Lived Intangible Assets, Gross Other intangible assets, net Intangible assets Finite-Lived Intangible Assets, Major Class Name [Domain] Less: Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Amortized Intangible Assets [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets by Major Class [Axis] Estimated useful lives Forward Contracts [Member] Net gain on sales of loans Net gain on sales of loans Arising from business combinations GOODWILL AND INTANGIBLES Goodwill Goodwill recorded in acquisition Beginning goodwill Ending goodwill Increase in goodwill Measurement period acquisition adjustment Goodwill and Other Intangible Assets [Abstract] Goodwill [Roll Forward] GOODWILL AND INTANGIBLES [Abstract] Goodwill and Other Intangible Assets Hedging Relationship [Domain] Average Recorded Investment Impaired Financing Receivable, Average Recorded Investment Impaired Loan Information Impaired Financing Receivables [Table Text Block] Recorded Investment [Abstract] Impaired Financing Receivable, Recorded Investment [Abstract] Recorded Investment With Allowance Impaired Financing Receivable, with Related Allowance, Recorded Investment Recorded Investment With No Allowance Impaired Financing Receivable, with No Related Allowance, Recorded Investment Total Recorded Investment Impaired Financing Receivable, Recorded Investment Related Allowance Impaired Financing Receivable, Related Allowance Unpaid Contractual Principal Balance Impaired Financing Receivable, Unpaid Principal Balance CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract] Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax expense Income tax (expense) benefit Income taxes paid Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Net change in deposits Net change in: Increase (Decrease) in Stockholders' Equity [Roll Forward] Stock-based compensation awards (in shares) IT and data services Income from insurance activities Goodwill and Other Intangible Assets [Abstract] Loans, including fees Securities: Interest income: Total interest income Interest and Dividend Income, Operating Interest expense: Interest Expense [Abstract] Total interest expense Interest Expense Junior subordinated deferrable interest debentures Interest Expense, Junior Subordinated Debentures Notes payable & other borrowings Interest Expense, Medium-term Notes Deposits Interest Expense, Deposits Subordinated debt securities Interest Expense, Subordinated Notes and Debentures Net interest income Net interest income Taxable Non taxable Net interest income, after provision for loan losses Interest Income (Expense), after Provision for Loan Loss Interest paid on deposits and borrowed funds Interest-bearing deposits in banks Accrued interest receivable Interest Rate Lock Commitments [Member] Interest Rate Swaps [Member] Interest Rate Swap [Member] Interest-bearing Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Investment commissions SECURITIES Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] SECURITIES [Abstract] Amortized Cost and Fair Value of Securities by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Initial Public Offering [Member] Junior subordinated deferrable interest debentures Letters of credit outstanding balance Letters of Credit Outstanding, Amount Salaries and employee benefits LIABILITIES AND STOCKHOLDERS' EQUITY Total liabilities Liabilities Total liabilities and stockholders' equity Liabilities and Equity Line of Credit [Member] Lender Name [Axis] Interest rate Line of Credit Facility, Interest Rate at Period End Line of Credit Facility, Lender [Domain] Loans [Abstract] Loans and Leases Receivable Disclosure [Abstract] Loans and Leases Receivable Disclosure [Table] Loans and Leases Receivable Disclosure [Line Items] Ending Balance Beginning Balance Allowance for loan losses Loans and Leases Receivable, Allowance Allowance for Loan Losses Loans by Internal Classifications [Abstract] Loans and Leases Receivable, Gross, Carrying Amount [Abstract] Loans Loans held for investment Loans, gross Summary of Loans by Category [Abstract] Loans and Leases Receivable, Net Amount [Abstract] Loans held for sale (mandatory) Loans Held-for-sale, Fair Value Disclosure Loans, net Loans and Leases Receivable, Net Amount Loans, net LOANS Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans held for sale Amortized Cost and Fair Value of Securities, with Gross Unrealized Gains and Losses Marketable Securities [Table Text Block] Marketing and development Measurement Input Type [Domain] Measurement Input Type [Axis] Mortgage Banking [Member] Mortgage-backed Securities [Member] Mortgage-Backed Securities [Member] Mortgage-backed Securities [Member] Net cash from operating activities Net Cash Provided by (Used in) Operating Activities Net cash from investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from investing activities: Cash flows from operating activities: Net cash from financing activities Net Cash Provided by (Used in) Financing Activities Net income Net income Net income Net income Cash flows from financing activities: Recent Accounting Pronouncements Noninterest-bearing Total noninterest income Noninterest income Noninterest expense: Noninterest Expense [Abstract] Other Noninterest Income, Other Operating Income Total noninterest expense Noninterest expense Noninterest Expense Noninterest income: Noninterest Income [Abstract] Notes payable & other borrowings Notes payable & other borrowings Notes Payable, Fair Value Disclosure Occupancy and equipment, net Operating Segments [Member] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Other real estate owned, discounts Other Real Estate Owned, Measurement Input Reclassification adjustment for (gain) included in net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Tax effect Other Intangibles [Member] Other Intangible Assets [Member] Other assets Other [Member] Other Debt Obligations [Member] Change in net losses on cash flow hedges Change in net unrealized loss on securities available for sale Other Other Assets [Member] Other Liabilities [Member] Other comprehensive income Other comprehensive income (loss), (net of tax) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive income: Age Analysis on Accruing Past-due Loans and Nonaccrual Loans Financing Receivable, Past Due [Table Text Block] Pass [Member] Loan originations and principal collections, net Payments for (Proceeds from) Loans and Leases Payments to tax authorities for stock-based compensation Payment, Tax Withholding, Share-based Payment Arrangement Loans originated for sale Payments for Origination of Mortgage Loans Held-for-sale Cash dividends on common stock Payments of Ordinary Dividends, Common Stock Purchases Payments to Acquire Debt Securities, Available-for-sale Cash paid Purchases of premises and equipment, net Payments to Acquire Property, Plant, and Equipment Plan Name [Axis] Plan Name [Domain] Portion at Fair Value Measurement [Member] [Default] Net change in short-term borrowings Maturities, prepayments, and calls Proceeds from sales of loans held for sale Proceeds from sales of foreclosed assets Sales Proceeds from sales of premises and equipment Professional services Premises and equipment, net Provision for loan losses Provision for loan losses Provision for loan loss LOANS [Abstract] CAPITAL AND REGULATORY MATTERS Payments made on notes payable and other borrowings Repayments of Medium-term Notes Restricted Stock Units [Member] Restricted Stock Units (RSUs) [Member] Retained Earnings [Member] Retained earnings Retained Earnings (Accumulated Deficit) Substandard or Worse [Member] Substandard [Member] Exercisable at end of period Expected term Vested at end of period Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Options Outstanding Sale of Stock [Domain] Fair Value Hedges Summary of Activity of Restricted Stock Units Goodwill and Other Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Summary of Assumptions Used to Calculate Fair Value of Awards Summary of Stock Option Activity Fair Value of the Assets Acquired and Liabilities Assumed Securities with Unrealized Losses Segregated by the Period in a Loss Position Schedule of Unrealized Loss on Investments [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Impaired Financing Receivable [Table] Schedule of Financing Receivables Past Due [Table] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Factors Used in Earnings Per Share Computation Actual Capital Amounts and Ratios Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Debt Securities, Available-for-sale [Line Items] Schedule of Available-for-sale Securities [Table] Schedule of Fair Value, Off-balance Sheet Risks [Table] Financial Instrument Whose Contract Amounts Represent Credit Risk Outstanding Financial Results by Reportable Segment Schedule of Segment Reporting Information, by Segment [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Fair Value of Derivatives in Consolidated Balance Sheets Summary of Loans by Category Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Subsidiary or Equity Method Investee [Table] Financial results by reportable segments [Abstract] SEGMENT INFORMATION Segment Reporting Information [Line Items] Segments [Domain] SEGMENT INFORMATION [Abstract] Mortgage servicing rights Servicing Asset at Fair Value, Amount Exercised (in dollars per share) Weighted-Average Exercise Price [Abstract] Granted (in dollars per share) Expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Weighted-Average Exercise Price [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Stock based compensation Share-based Payment Arrangement, Noncash Expense Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Equity Incentive Plan [Abstract] Share-based Payment Arrangement, Disclosure [Abstract] Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Expected dividend yield Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Fair value of restricted stock units vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding at beginning of year (in shares) Balance at ending of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Balance at ending of period (in dollars per share) Outstanding at beginning of year (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Expected volatility Summary of Assumptions Used to Calculate Fair Value of Awards [Abstract] Maximum aggregate number of shares of common stock that may be issued (in shares) Weighted average grant date fair value (in dollars per share) Intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Exercisable at end of period (in dollars per share) Exercisable at end of period (in shares) Expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Risk-free interest rate Number of Shares [Roll Forward] Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Vested at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Equity Award [Domain] Balance at end of period (in shares) Outstanding at beginning of year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Balance at end of period (in dollars per share) Outstanding at beginning of year (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Balance at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Vested at end of period (in dollars per share) Vested at end of period (in shares) Stock-based Compensation Share-based Payment Arrangement [Policy Text Block] Short-term borrowings Special Mention [Member] Standby Letters-of-credit [Member] CONSOLIDATED BALANCE SHEETS (Unaudited) [Abstract] Equity Components [Axis] Statement [Line Items] Statement [Table] Segments [Axis] CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) [Abstract] CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) [Abstract] Stock Appreciation Rights (SARs) [Member] Stock Appreciation Rights (SARs) [Member] Options exercised (in shares) Exercised (in shares) Exercise of employee stock options and vesting of restricted stock units, net of 660 shares for cashless exercise and net of 4,986 shares for taxes (in shares) Exercise of employee stock options and vesting of restricted stock units, net of 660 shares for cashless exercise and net of 4,986 shares for taxes Total stockholders' equity Balance Balance Stockholders' Equity Attributable to Parent Change in Capital Structure Stock split ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Stockholders' equity: Subordinated debt securities Subordinated Debt Securities [Abstract] Subsequent Event [Table] Subsequent Event [Member] Subsequent Event Type [Domain] Subsequent Event [Line Items] Subsequent Event Type [Axis] Subsequent Events Subsequent Events, Policy [Policy Text Block] Subsidiary or Equity Method Investee [Line Items] Sale of Stock [Axis] Supplemental disclosures of cash flow information: To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount Tier One Leverage Capital Required to be Well Capitalized Actual, Ratio Tier I Capital to Risk Weighted Assets [Abstract] Tier One Risk Based Capital [Abstract] To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio Tier One Leverage Capital Required to be Well Capitalized to Average Assets Actual, Amount Tier One Leverage Capital Actual, Ratio Tier One Leverage Capital to Average Assets Actual, Amount Tier One Risk Based Capital To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets Tier I Capital to Average Assets [Abstract] To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount Tier One Risk Based Capital Required to be Well Capitalized Loans transferred to foreclosed assets Financial Instruments [Domain] Treasury Stock [Member] Use of Estimates State and Municipal [Member] State and Municipal [Member] U.S. Government and Agencies [Member] U.S. Government and Agencies [Member] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Weighted average common shares outstanding - basic (in shares) Weighted average common shares outstanding - diluted (in shares) Effect of dilutive securities [Abstract] Consolidated Entities [Domain] Consolidated Entities [Axis] Consolidation Items [Domain] Consolidation Items [Axis] Investment, Name [Domain] Maximum [Member] Minimum [Member] Product and Service [Domain] Product and Service [Axis] Statistical Measurement [Domain] Statistical Measurement [Axis] CAPITAL AND REGULATORY MATTERS [Abstract] Investment, Name [Axis] Subsidiaries [Member] Describes commercial loans the subcategories of loans held, any unusual risk concentration relating thereto, and the related loans receivable carrying amounts as of the balance sheet date. Such descriptions include information pertaining into two distinct sub-categories: (a) specialized and (b) general. Number of Sub-Categories of Loans Number of sub-categories of loans Proceeds from (Payments to) Sale and Maturity of Debt Securities, Available-for-sale [Abstract] Activity in securities available for sale: The increase (decrease) during the reporting period in the amount due from borrowers for interest payments and other assets. Increase Decrease in Accrued Interest Receivable and Other Assets Accrued interest receivable and other assets The amount of gain (loss) classified as other. Other Gain (Loss), Net Other gains, net Number of share options (or share units) exercised for taxes during the current period. Stock Issued During Period Stock Options Exercised for Taxes Exercise of employee stock options, shares for taxes (in shares) Number of share options (or share units) exercised for cashless exercise during the current period. Stock Issued During Period, Stock Options Exercised, for Cashless Exercise Exercise of employee stock options, shares for cashless exercise (in shares) Shares for all classes of common stock and nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by an employee stock ownership plan (ESOP). Includes the sale of shares or the issuance treasury shares to an ESOP. ESOP Owned Shares [Member] Less: ESOP Owned Shares [Member] Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. Cumulative Effect of Change in Accounting Principle in Period of Adoption Cumulative change in accounting principle The central bank system of the United States that includes the Board of Governors in Washington, D.C., and 12 independent regional Reserve banks. Federal Reserve [Member] Federal Reserve [Member] A credit facility established by the Board of Governors of the Federal Reserve System (the "Federal Reserve"). Paycheck Protection Program Liquidity Facility [Member] PPP Liquidity Facility [Member] The name of wholly owned, consolidated subsidiaries. Name of Wholly Owned, Consolidated Subsidiaries Wholly Owned, Consolidated Subsidiaries Name of the legal entity. Windmark Insurance Agency Inc. [Member] Windmark Insurance Agency, Inc. ("Windmark") [Member] Name of the legal entity. Ruidoso Retail, Inc. [Member] Ruidoso Retail, Inc. [Member] Name of the legal entity. CB Provence, LLC [Member] CB Provence, LLC [Member] Name of the legal entity. CBT Brushy Creek, LLC [Member] CBT Brushy Creek, LLC [Member] Name of the legal entity. South Plains Financial Capital Trusts (SPFCT) III-V [Member] South Plains Financial Capital Trusts (SPFCT) III-V [Member] Name of the legal entity. CBT Properties, LLC [Member] CBT Properties, LLC [Member] A subsidiary bank is a type of foreign entity that is located and incorporated in a foreign country but majority owned by a parent corporation in a different nation. Bank Subsidiary [Member] Bank Subsidiary [Member] Non-bank subsidiaries, are firms owned by bank holding companies which offer non-bank products and services, such as insurance and investment advice, and do not offer Federal Deposit Insurance Corporation insured banking products, such as checking and savings accounts. Non-bank Subsidiary [Member] Non-bank Subsidiary [Member] The name of wholly owned, equity method subsidiaries. Name of Wholly Owned, Equity Method Subsidiaries Wholly Owned, Equity Method Subsidiaries Subsidiaries Information [Abstract] Nature of Operations [Abstract] Nature of Operations [Abstract] Paycheck protection program loans created by the CARES Act and administered by the U.S. Small Business Administration. Paycheck Protection Program Loans [Member] PPP Loans [Member] Subsequent Event Disclosure [Abstract] Subsequent Events [Abstract] The number of days principal or interest payments are past due for loans to be placed on nonaccrual status, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Number of Days Principal or Interest Payments are Past Due for Loans to be Placed on Nonaccrual Status Number of days principal or interest payments are past due for loans to be placed on nonaccrual status Available-for-sale Securities, Unrealized Loss Position [Abstract] Available-for-sale, continuous unrealized loss position [Abstract] Number of securities holding by issuer other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders' equity. Number of Securities Held by Issuer in Amount Greater Than Ten Percent of Stockholders Equity Holdings of securities of any one issuer, other than the U.S. government and its agencies, in an amount greater than 10% of stockholders' equity The amount of threshold balance of loan to be specifically reviewed for impairment. Threshold Balance of Loan to be Specifically Reviewed for Impairment Threshold balance of loan to be specifically reviewed for impairment Impaired Financing Receivable [Abstract] Impaired Loan Information [Abstract] Tabular disclosure related to information of subsidiaries. Schedule of Subsidiaries Information [Table Text Block] Subsidiaries Information Disclosure of accounting policy for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. Nature of Operations [Policy Text Block] Nature of Operations Disclosure of accounting policy for loans acquired. Acquired Loans [Policy Text Block] Acquired Loans Number of points on a grading scale for loans graded by the Company. Number of Points on a Grading Scale for Loans Number of points on a grading scale for loans Financing receivables that are more than 29 days past due but fewer than 90 days past due. Financing Receivables, 30 to 89 Days Past Due [Member] 30-89 Days Past Due [Member] Term of fixed interest rate, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Debt Instrument Term of Fixed Interest Rate Debt instrument, period of fixed interest rate Insurance segment consisting of insurance policies providing death benefits. Insurance Segment [Member] Insurance [Member] Financial institution accepting customer deposits and providing other financial services. Services include, but are not limited to, lending; issuing credit and debit cards; offering deposit account, mortgage, and guarantee; and bank servicing. Banking Segment [Member] Banking [Member] Interest income on federal funds sold and interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts. Interest Income, Federal Funds Sold and Deposits with Financial Institutions Federal funds sold and interest-bearing deposits in banks The amount of noninterest expense related to bank card expenses. Bank Card Expenses Bank card expenses The amount of noninterest expense related to appraisal expenses. Appraisal Expenses Appraisal expenses The non-interest income earned through general service fees for monthly account maintenance and activity- or transaction-based fees, consisting of transaction-based revenue, time-based revenue (service period), item-based revenue or some other individual attribute-based revenue. Service Charges on Deposit Accounts Service charges on deposit accounts The non-interest income generated from bank card services and interchange fees. Bank Card Services and Interchange Fees Bank card services and interchange fees The non-interest income generated from fiduciary fees. Fiduciary Fees Fiduciary fees Measurement input using interest rate to determine present value of future cash flows. Collateral Discounts and Selling Costs [Member] Value of input used to measure impaired loans by financial institution. Impaired Loans, Measurement Input Impaired loans, discounts Third party appraisals or inspections valuation technique used to measure fair value. Third Party Appraisals or Inspections [Member] Fair value portion of bank-owned life insurance. Bank-Owned Life Insurance, Fair Value Disclosure Bank-owned life insurance Fair value portion of junior subordinated deferrable interest debentures. Junior Subordinated Deferrable Interest Debentures, Fair Value Disclosure Junior subordinated deferrable interest debentures Fair value portion of interest earned but not received. Interest Receivable, Fair Value Disclosure Accrued interest receivable The minimum amount of Tier 1 Risk Based Capital required under BASEL III fully phased-in under the regulatory framework for prompt corrective action. Tier One Risk Based Minimum Capital Required Under BASEL III Fully Phased-In Minimum Required Under BASEL III Fully Phased-In, Amount The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required under BASEL III fully phased-in under the regulatory framework for prompt corrective action. Tier One Risk Based Minimum Capital Required Under BASEL III Fully Phased-In to Risk Weighted Assets Minimum Required Under BASEL III Fully Phased-In, Ratio The minimum amount of Tier 1 Leverage Capital under BASEL III fully phased-in divided by average assets as defined in the regulations. Tier One Leverage Minimum Capital Required Under BASEL III Fully Phased-In to Average Assets Minimum Required Under BASEL III Fully Phased-In, Ratio The minimum Common Equity Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required under BASEL III fully phased-in under regulatory framework for prompt corrective action. Common Equity Tier One Risk Based Capital Required Under BASEL III Fully Phased-In To Risk Weighted Assets Minimum Required Under BASEL III Fully Phased-In, Ratio Amount of Common Equity Tier 1 Risk-based Capital required under BASEL III fully phased-in under regulatory framework for prompt corrective action. Common Equity Tier One Minimum Capital Required Under BASEL III Fully Phased-In Minimum Required Under BASEL III Fully Phased-In, Amount The Common Equity Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio The minimum amount of Tier 1 Leverage Capital required under BASEL III fully phased-in under regulatory framework for prompt corrective action. Tier One Leverage Minimum Capital Required Under BASEL III Fully Phased-In Minimum Required Under BASEL III Fully Phased-In, Amount The minimum total risk based capital ratio (total capital divided by risk weighted assets) required for BASEL III fully phased-in under the regulatory framework for prompt corrective action. Capital Required Under BASEL III Fully Phased-In to Risk Weighted Assets Minimum Required Under BASEL III Fully Phased-In, Ratio The minimum amount of total capital required under BASEL III fully phased-in under the regulatory framework for prompt corrective action. Minimum Capital Required Under BASEL III Fully Phased-In Minimum Required Under BASEL III Fully Phased-In, Amount A component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. City Bank [Member] City Bank [Member] Fair value portion of asset-backed and other amortizing securities. Asset-Backed and Other Amortizing Securities, Fair Value Disclosure Asset-backed and other amortizing securities Assets (Liabilities) Measured at Fair Value on Recurring Basis [Abstract] Assets (Liabilities) Measured at Fair Value on a Recurring Basis [Abstract] Fair value as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Foreclosed Assets, Fair Value Disclosure Other real estate owned This element represents the fair value disclosure of impaired loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date. Impaired Loans, Fair Value Disclosure Impaired loans Fair value portion of loans held for sale originated for best efforts delivery. Loans Held-for-sale Originated for Best Efforts Delivery, Fair Value Disclosure Loans held-for-sale (best efforts) Fair Value of Assets Measured on Non Recurring Basis [Abstract] Assets Measured at Fair Value on a Non-Recurring Basis [Abstract] Financial Instruments with Off-balance-sheet Risk [Abstract] Financial instruments with off-balance-sheet risk [Abstract] The amount of interest-bearing time deposits in banks recognized as of the acquisition date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Interest-bearing Time Deposits in Banks Interest-bearing time deposits in banks Amount of deposits assumed at the acquisition date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits Deposits Amount of accrued interest payable assumed at the acquisition date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Interest Payable Accrued interest payable This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to loans acquired in connection with a business combination for which the initial accounting was incomplete. Business Combination Provisional Information Initial Accounting Incomplete Adjustment Loans Decrease in loans This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period of other liabilities assumed in connection with a business combination for which the initial accounting was incomplete. Business Combination Provisional Information Initial Accounting Incomplete Adjustment Other Liabilities Increase in other liabilities The amount of the difference between the contractual amounts due (principal amount) and the fair value accounted for at acquisition. Discount on Acquired Loans Discount on acquired loans to be recognized into interest income The amount of bank-owned life insurance recognized as of the acquisition date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Bank-owned Life Insurance Bank-owned life insurance The contractual balance of loans held for investment acquired as of the acquisition date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans Held for Investment, Contractual Balance Contractual balance of non-credit impaired loans The number of additional branches added due to business acquisition. Number of Additional Branches Number of additional branches The amount of accrued interest receivable recognized as of the acquisition date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Interest Receivable Accrued interest receivable The amount of federal funds purchased recognized as of the acquisition date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Federal Funds Purchased Federal funds purchased The amount of loans held for investment acquired as of the acquisition date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans Held for Investment Loans held for investment Name of the acquired entity. West Texas State Bank [Member] West Texas State Bank [Member] This element represents percentage of allowance for loan losses to loans held for investment. Percentage Of Allowance For Loan Losses To Loans Held For Investment Percentage of allowance for loan losses to loans held for investment Class of financing receivable which is not reported separately by the entity classified under consumer receivables. Consumer, Other Loans [Member] Other Consumer [Member] Class of financing receivable related to agricultural production and real estate loans, energy loans, and finance, investment, and insurance financing receivables classified under commercial receivables. Commercial, Specialized Loans [Member] Specialized [Member] Class of financing receivable related to 1-4 family residential loans classified under consumer receivables. Consumer, One to Four Family Residential Loans [Member] 1-4 Family Residential [Member] 1-4 Family [Member] Class of financing receivable related to broader diversity of borrowers, sub-industries, or serviced industries financing receivables classified under commercial receivables. Commercial, General Loans [Member] General [Member] Number of options accelerated liabilities to equity during modification period. Share-Based Compensation Arrangement by Share Based Payment Awards, Number of Shares Accelerated During Modification Period Stock option modified from liabilities to equity (in shares) The number of converted equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number of Shares Converted Number of outstanding shares converted (in shares) Fair value of stock appreciation rights amount at conversion date. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Fair Value Fair value of share-based equity awards at conversion date Period of equity awards with accelerated vesting from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting, Expiration Period Expiration period of options with accelerated vesting due to modification from liabilities to equity Amount reclassified from liabilities to equity in conversion. Share-Based Compensation Arrangement By Share Based Payment Awards, Amount Reclassified from Liabilities to Equity Amount reclassified from liabilities to equity in conversion Amount of cost recognized for award under share-based payment arrangement from stock option after modification. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Of Stock Option After Modification Fair value of stock options after modification Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] Aggregate Intrinsic Value [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Remaining Term [Abstract] Weighted Average Remaining Contractual Life in Years [Abstract] The number of equity-based payment instruments, excluding stock (or unit) options, that were exercised during the reporting period. Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options Exercised in Period Exercised (in shares) The number of equity-based payment instruments, excluding stock (or unit) options, exercised in period, weighted average grant date fair value. Share-based Compensation Arrangement by Share based Payment Award Equity Instruments Other than Options Exercised in Period Weighted Average Grant Date Fair Value Exercised (in dollars per share) The number of equity-based payment instruments, excluding stock (or unit) options vested. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested Vested at end of period (in shares) An equity-based payment award plan approved by the Company on March 6, 2019 to: (i) attract and retain the best available personnel for positions of substantial responsibility, (ii) provide additional incentive to employees, directors and consultants, and (iii) promote the success of the Company's business. Equity Incentive Plan 2019 [Member] 2019 Equity Incentive Plan [Member] The annual percentage increase in number of shares that may be issued under plan. Share Based Compensation Arrangement by Share Based Payment Award, Annual Increase in Shares Authorized, Percentage Annual increase in number of shares that may be issued The remaining maturity period during which debt can be called, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Remaining Maturity Period during which Debt can be Called Remaining maturity period during which debt can be called Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions. Debt Securities One [Member] Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions. Debt Securities Two [Member] This element represents domestic or foreign subordinated debt. Subordinated debt has a lower priority of repayment in liquidation of the entity's assets. Subordinated Debt Securities Issued in December 2018 [Member] The maximum interest rate, specified per the agreement, that will be accepted as the variable interest rate for the debt instrument. Debt Instrument, Variable Interest Rate, Ceiling Debt instrument, variable interest rate, ceiling The minimum interest rate, specified per the agreement, that will be accepted as the variable interest rate for the debt instrument. Debt Instrument, Variable Interest Rate, Floor Debt instrument, variable interest rate, floor