Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Net income applicable to common stock Net Income (Loss) Available to Common Stockholders, Diluted Aggregate Unpaid Principal Balance Carrying Value Reported Value Measurement [Member] Other Collateral Other Collateral [Member] Other Collateral Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-Sale [Table] Net (charge-offs) recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff (Recovery) Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] Schedule of Estimated Amortization Expense of Finite-lived Intangible Assets Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] Risk Participation Agreement, Sold Risk Participation Agreement, Sold [Member] Risk Participation Agreement, Sold Participating Mortgage Loans [Axis] Participating Mortgage Loans [Axis] Amortized cost and fair value of securities available for sale Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Proceeds from redemption of FRB stock Proceeds from Sale of Federal Reserve Bank Stock Derivative Instrument [Axis] Derivative Instrument [Axis] Tax expense (benefit) Other Comprehensive Income (Loss) before Reclassifications, Tax Securities Business Combination, Recognized Asset Acquired, Investment in Debt and Equity Securities, Current Measurement Frequency [Axis] Measurement Frequency [Axis] Net increase in loans Payments for (Proceeds from) Loans Receivable Junior subordinated debentures Junior Subordinated Debt [Member] Subject to Credit Risk Assessment Subject to Credit Risk Assessment [Member] Subject to Credit Risk Assessment [Member] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Schedule of Business Combination, Acquired Loan Portfolio Business Combination, Acquired Loan Portfolio [Table Text Block] Business Combination, Acquired Loan Portfolio Premises and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Held to Maturity Debt Securities, Held-to-Maturity, Maturity [Abstract] Interest Rate Reduction Contractual Interest Rate Reduction [Member] Loans, net of unearned income Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process Schedule of Gross Unrealized Losses and Fair Value of Held-to-Maturity Securities Debt Securities, Held-to-Maturity [Table Text Block] Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Stock options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Available for Sale: Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Available for Sale Available-for-Sale Securities, Debt Maturities [Abstract] Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Other intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Nonvested at beginning of period (in shares) Nonvested at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Schedule of Amortized Cost Basis of Loan Modifications Financing Receivable, Modified [Table Text Block] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Held to Maturity: Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss [Abstract] Construction and land development Construction Loans [Member] Number of reportable segments Number of Reportable Segments Securities held to maturity (fair value of $902,853 and $961,870, respectively) Held-to-maturity securities, net of allowance for credit losses Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss Other Other Goodwill and Other Intangible Assets Other Goodwill and Other Intangible Assets Customer relationship intangible Customer Relationship Intangible Customer Relationships [Member] Balance at January 1 Balance at June 30 Mortgage servicing rights Servicing Asset at Amortized Cost Schedule of Derivative Financial Instruments Schedule of Derivative Instruments [Table Text Block] Due within one year Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, Year One Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, Year One Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] The First The First [Member] Brand Group Holdings, Inc. [Member] Other comprehensive income, net of tax: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Entity Address, City or Town Entity Address, City or Town Awarded (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Class of Financing Receivable [Domain] Financing Receivable Allowance [Domain] Class of Financing Receivable [Domain] Receivables [Abstract] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Sale of MSRs Servicing Asset at Fair Value, Disposals Wealth Management Wealth Management [Member] Wealth Management. Year one Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Net Carrying Amount Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Other comprehensive (loss) income, net of tax Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Data and key economic assumptions related to mortgage servicing rights Data and Key Economic Assumptions Related to Mortgage Servicing Rights [Abstract] Data and key economic assumptions related to mortgage servicing rights. 90 Days or More Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Proceeds from sales of mortgage loans held for sale Proceeds from Sale, Loan, Mortgage, Held-for-Sale Total derivative instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Schedule of Financial Information for the Company's Operating Segments Segment Reporting [Table Text Block] Significant Unobservable Inputs Used In Valuation Of Assets And Liabilities Measured At Fair Value On Non Recurring Basis Significant Unobservable Inputs Used In Valuation Of Assets And Liabilities Measured At Fair Value On Non Recurring Basis [Table Text Block] Significant unobservable inputs used in valuation of assets and liabilities measured at fair value on non recurring basis. Use of Estimates Use of Estimates, Policy [Policy Text Block] Gains on sales of mortgage loans held for sale Gain (Loss) on Sale of Mortgage Loans Other comprehensive (loss) income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Schedule of Significant Unobservable Inputs (Level 3) Used in Valuation of Liabilities Measured at Fair Value on Recurring Basis Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Participating Mortgage Loan, Name [Domain] Participating Mortgage Loan, Name [Domain] Proceeds from the issuance of long-term debt, net of issuance costs Proceeds from Debt, Net of Issuance Costs Due after one year through five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Allowance for credit losses on loans Beginning balance Ending balance Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Document Period End Date Document Period End Date Impairment recognized in results of operations Other Real Estate, Non Covered, Impairment Recognized Other Real Estate, Non Covered, Impairment Recognized Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Basic Earnings Per Share, Basic [Abstract] Revolving Loans Converted to Term Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Borrowings Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent Treasury stock, at cost – 6,319,167 and 3,086,190 shares, respectively Treasury Stock, Common, Value Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Due after ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Accumulated other comprehensive loss, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Net Income Per Common Share Earnings Per Share [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Schedule of Changes in the Company's MSRs Servicing Asset at Amortized Cost [Table Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Difference Changes Measurement [Member] Financing receivable, modified, weighted average interest rate decrease from modification Financing Receivable, Modified, Weighted-Average Interest Rate Decrease from Modification Allowance for credit losses: Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Deposits Customer Advances or Deposits, Noncurrent [Abstract] Real estate – 1-4 family mortgage: Real Estate - 1-4 Family Mortgage Real Estate One to Four Family Mortgage [Member] Real estate - 1-4 family mortgage. Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Schedule of Fair Value of Assets Acquired and Liabilities Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Contingent consideration and holdbacks recognized in acquisition of business Asset Acquisition, Recognized, Contingent Consideration and Holdbacks Asset Acquisition, Recognized, Contingent Consideration and Holdbacks Company Selected Measure Name Company Selected Measure Name Purchases of securities available for sale Payments to Acquire Debt Securities, Available-for-Sale Number of positions Debt Securities, Held for maturity, Unrealized Loss Position, Number Of Positions Debt Securities, Held for maturity, Unrealized Loss Position, Number Of Positions Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Fair value Other Real Estate Owned Non Covered Fair Value Other real estate owned non covered fair value. Deposits Interest Expense, Deposits Diluted Earnings Per Share, Diluted [Abstract] Due after one year through five years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Fair Value Measurements (Textual) [Abstract] Fair Value Measurements (Textual) [Abstract] Fair value measurements. Obligations of other U.S. Government agencies and corporations US Government Corporations and Agencies Securities [Member] Year one Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Estimated impact of a 10% increase Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Discount Rate Collateral pledged Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged Allowance for Credit Losses Allowance for Credit Losses [Text Block] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Total identifiable assets acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Unrealized Losses Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss Debt securities, without fixed maturity, amortized cost Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Award Timing Predetermined Award Timing Predetermined [Flag] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Wealth management revenue Fees and Commissions, Fiduciary and Trust Activities1 Fees and Commissions, Fiduciary and Trust Activities1 Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Gain on sale of mortgage servicing rights Gain (Loss) on Sale of Investments Schedule of OREO Measured at Fair Value on a Nonrecurring Basis Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Table Text Block] Other real estate owned measured at fair value on nonrecurring basis. Risk Participation Agreement, Purchased Risk Participation Agreement, Purchased [Member] Risk Participation Agreement, Purchased Effect of dilutive stock-based compensation (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Schedule of Unfunded Loan Commitments, Allowance for Credit Losses Off-Balance Sheet, Credit Loss, Liability, Allowance for Credit Losses [Table Text Block] Off-Balance Sheet, Credit Loss, Liability, Allowance for Credit Losses [Table Text Block] Change in unrealized gain (loss) on hedged item in fair value hedge Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Allowance for credit losses on unfunded loan commitments: Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] Collateral and the allowance for credit losses Collateral Dependent Loans and Lease, Allowance for Credit Losses Collateral Dependent Loans and Lease, Allowance for Credit Losses Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Net change in operating leases Increase (Decrease) in Operating Lease Liability Residential mortgage-backed securities: Residential mortgage backed securities: Residential Mortgage-Backed Securities [Member] Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Antidilutive Securities [Axis] Antidilutive Securities [Axis] Bank-owned life insurance Business Combination, Recognized Asset Acquired, Bank Owned Life Insurance Business Combination, Recognized Asset Acquired, Bank Owned Life Insurance Due within one year Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Derivative Liability, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Net assets acquired over liabilities assumed Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Change in unrealized gain (loss) on fair value hedging instruments Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Securities Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Expiration Date Trading Arrangement Expiration Date Hedging Relationship [Axis] Hedging Relationship [Axis] Cumulative Effect, Period Of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Gross Unrealized Gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Financial instruments - derivative assets available for offset Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Subordinated notes Subordinated Debt [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Other Income and Expenses [Abstract] Derivative [Table] Derivative [Table] Interest-bearing Interest-Bearing Deposit Liabilities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Deposits Deposits, Fair Value Disclosure Commercial real estate Commercial Real Estate [Member] Schedule of Data and Key Economic Assumptions Related to the Company's MSRs Schedule of Fair Value Assumption Related to Mortgage Servicing Rights [Table Text Block] Schedule of fair value assumption related to mortgage servicing rights. Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Schedule of antidilutive securities excluded from computation of earnings per share Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Abstract] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Abstract] Purchase price Business Combination, Acquired Receivable, Purchased with Credit Deterioration, Amount At Purchase Price Business Combination, Acquired Receivable, Purchased with Credit Deterioration, Amount At Purchase Price Offsetting Derivative Assets Derivative Asset [Abstract] Segments [Domain] Segments [Domain] Interest rate swaps Interest Rate Swap [Member] Loans, net Financing Receivable, after Allowance for Credit Loss Business Combination [Table] Business Combination [Table] Interest income Interest and Fee Income, Financing Receivable [Abstract] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Loans held for sale, at fair value Loans held for sale Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Fair Value of Net Assets Acquired The First, Fair Value [Member] The First, Fair Value Cash dividends Dividends, Common Stock, Cash Total shareholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Other assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Stock-based compensation expense APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition Assets Assets [Abstract] Payment Delay Payment Deferral [Member] Shares issued to common shareholders (in shares) Shares issued to common shareholders, excluding unvested restricted stock awards (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Amortized cost Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Schedule of Loan Portfolio by Risk-Rating Grades Financing Receivable Credit Quality Indicators [Table Text Block] Fair Value, measurements, nonrecurring Fair Value, Nonrecurring [Member] Professional fees Professional Fees Insider Trading Policies and Procedures [Line Items] Unpaid principal balance Servicing Assets and Servicing Liabilities at Fair Value Assumptions Used to Estimate Fair Value Unpaid Principle Balance Value assumptions used to estimate fair value unpaid principle balance. Non-Performing Loans Nonperforming Financial Instruments [Member] Performance shares Performance Shares [Member] Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) Allowance Commercial Real Estate Portfolio Segment [Member] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Number of shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Carrying Amounts of Goodwill by Operating Segments Goodwill [Table Text Block] Entity Central Index Key Entity Central Index Key Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Designated as Hedging Instrument Designated as Hedging Instrument [Member] REV Capital REV Capital [Member] REV Capital Nonaccruing loans with no allowance for credit losses Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Restricted stock Restricted Stock [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Cash paid for dividends Payments of Dividends Performing Loans Performing Financial Instruments [Member] Available for sale securities pledged as collateral Debt Securities, Available-for-Sale, Restricted Weighted average period over which unrecognized expense is expected to be recognized (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Fair value of converted unvested restricted stock awards for pre-combination service Post-Acquisition Compensation Cost on Unvested Restricted Stock Awards Post-Acquisition Compensation Cost on Unvested Restricted Stock Awards Common stock issued in acquisition of businesses Value of stock paid Business Combination, Consideration Transferred, Equity Interest Statement [Line Items] Statement [Line Items] Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits Total assets Total assets Assets Business Combination [Abstract] Business Combination [Abstract] Term Extension Extended Maturity [Member] Total interest expense Total interest expense Interest Expense, Operating Amortization of net actuarial loss recognized in net periodic pension cost Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Operating segments Operating Segments [Member] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Total liabilities Business Combination, Recognized Liability Assumed, Liability Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Line Items] Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Line Items] Other real estate owned measured at fair value on nonrecurring basis. Debt securities, without fixed maturity, fair value Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Other comprehensive income (loss) before reclassification OCI, before Reclassifications, Net of Tax, Attributable to Parent Factoring receivables (Net Funds Employed) Business Combination, Recognized Asset Acquired, Factoring Receivables Business Combination, Recognized Asset Acquired, Factoring Receivables Net occupancy and equipment Occupancy, Net PEO PEO [Member] Noninterest-bearing Noninterest-Bearing Deposit Liabilities Net increase in deposits Net Change Noninterest-Bearing Deposits, Domestic Goodwill Goodwill Balance at January 1, 2026 Balance at June 30, 2026 Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Number of positions Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Financial instruments - derivative assets available for offset Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Retained Earnings Retained Earnings [Member] Unamortized net deferred (fees) costs Financing Receivable, Unamortized Loan Cost (Fee) Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Schedule of Assets and Liabilities Not Measured and Reported at Fair Value on a Recurring Basis or Nonrecurring Basis Fair Value, by Balance Sheet Grouping [Table Text Block] Diluted earnings per share (in usd per share) Net income per common share - diluted (in usd per share) Earnings Per Share, Diluted Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Provision for credit losses Financing Receivable, Credit Loss, Expense (Reversal) Allowance for credit losses Business Combination, Recognized Asset Acquired Financing Receivable, Allowance for Credit Loss Business Combination, Recognized Asset Acquired Financing Receivable, Allowance for Credit Loss Not Subject to Credit Risk Assessment Not Subject to Credit Risk Assessment [Member] Not Subject to Credit Risk Assessment [Member] Intangible amortization Total intangible amortization Intangible Asset, Finite-Lived, Amortization Expense Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Year four Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Schedule of Offsetting Assets Offsetting Assets [Table Text Block] Total assets Business Combination, Recognized Asset Acquired, Asset Revenue Revenue from Contract with Customer, Excluding Assessed Tax Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value Financial assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Repurchase of shares in connection with stock repurchase program Stock Repurchased During Period, Value Carrying Value Debt Securities, Available for Sale, Securities Sold, at Carrying Value Debt Securities, Available for Sale, Securities Sold, at Carrying Value Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss [Abstract] Community Banks Community Banks Community Banks [Member] Community Banks. OREO Other Real Estate Owned Measured at Fair Value on Non Recurring Basis Other real estate owned measured at fair value on non recurring basis. Multi family Multifamily [Member] Gains (losses) on derivative financial instruments Derivative, Gain (Loss) on Derivative, Net Derivative instruments: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Mergers and Acquisitions Business Combination [Text Block] Collateral [Axis] Collateral Held [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Number of locations acquired Business Combination, Number of Locations Acquired Business Combination, Number of Locations Acquired Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Schedule of Roll Forward of The Allowance for Loan Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued Fair values of financial assets and liabilities measured on a recurring basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Forward commitments Forward Contracts [Member] Allowance for credit loss Debt Securities, Available-for-Sale, Allowance for Credit Loss Unrealized Losses, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Customer relationship intangible Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived, Customer Relationship Intangible Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived, Customer Relationship Intangible Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Product and Service [Domain] Product and Service [Domain] Other Other [Member] Other Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-term Debt Long-Term Debt [Member] Noninterest expense Noninterest Expense [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Termination Date Trading Arrangement Termination Date Weighted-average remaining maturity (in years) Servicing Assets and Servicing Liabilities at Fair Value Assumptions Used to Estimate Fair Value Weighted Average Remaining Maturity Servicing assets and servicing liabilities at fair value assumptions used to estimate fair value weighted average remaining maturity. Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Core deposit intangible Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Factoring receivables, average interest Business Combination, Factoring Receivables, Average Interest Business Combination, Factoring Receivables, Average Interest Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Total defined benefit pension and post-retirement benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Fair Value as of Grant Date Award Grant Date Fair Value Schedule of Gross Unrealized Losses and Fair Value of Available-for-Sale Securities Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Weighted-average coupon interest rate Servicing Assets and Servicing Liabilities at Fair Value Assumptions Used to Estimate Fair Value Weighted Average Coupon Interest Rate Servicing assets and servicing liabilities at fair value assumptions used to estimate fair value weighted average coupon interest rate. Schedule of Goodwill [Table] Goodwill [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Classified Classified [Member] Classified Unamortized purchase accounting discounts, net of premiums Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount) Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Unrealized Losses, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Gross Carrying Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Provision for credit losses on unfunded commitments Provision for (Recovery of) Credit Losses on Unfunded Commitments Provision for (Recovery of) Credit Losses on Unfunded Commitments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Fair value Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Fair Value Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Amortization of unrealized holding losses on securities transferred to held to maturity AOCI, Gain (Loss), Debt Securities, Available-for-Sale, without Allowance for Credit Loss, Parent [Member] Goodwill [Roll Forward] Goodwill [Roll Forward] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Collateralized mortgage obligations Collateralized mortgage obligations Government Agency Collateralized Mortgage Obligations [Member] Government agency collateralized mortgage obligations. Award Type [Domain] Award Type [Domain] Loans acquired in a business combination Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Other Other Real Estate [Member] Other Real Estate 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Other assets Other Assets Carrying Amount of the Hedged Item Hedged Liability, Fair Value Hedge Liability Class [Axis] Liability Class [Axis] Number of positions, Less than 12 Months Debt Securities, Held for maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number Of Positions Debt Securities, Held for maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number Of Positions Noninterest income Noninterest Income [Abstract] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Financial collateral (cash) pledged Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Commercial real estate - non owner occupied Lease Financing [Member] Lease Financing [Member] Non-NEOs Non-NEOs [Member] Cash consideration Payments to Acquire Businesses, Gross 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Cash settlement for stock options Cash settlement for stock options, net of tax benefit Payments to Acquire Businesses, Settlement for Stock Options Payments to Acquire Businesses, Settlement for Stock Options Fair Value Debt Securities, Held-to-Maturity, Fair Value, Maturity [Abstract] Net amounts Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral Due after five years through ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fees and commissions Fees and Commissions1 Fees and Commissions1 Repurchase of shares in connection with stock repurchase program Payments for Repurchase of Common Stock Consumer Consumer [Member] Consumer Statistical Measurement [Axis] Statistical Measurement [Axis] Schedule of Gains (Losses) on Derivative Financial Instruments Included in the Consolidated Statements of Income Derivative Instruments, Gain (Loss) [Table Text Block] Other real estate owned Business Combination, Recognized Asset Acquired, Other Real Estate Owned Business Combination, Recognized Asset Acquired, Other Real Estate Owned Award Type [Axis] Award Type [Axis] Interest rate contracts Interest Rate Contract [Member] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Real Estate Real Estate [Member] Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Interest rate collars Interest Rate Collar [Member] Interest Rate Collar First lien First lien [Member] First lien Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Securities available for sale, at fair value (amortized cost of $2,942,166 and $2,635,495, respectively) Fair Value Fair Value Securities available for sale Debt Securities, Available-for-Sale Schedule of Fair Value, Off-balance Sheet Risks [Table] Fair Value, off-Balance-Sheet Risk [Table] Short-term borrowings Business Combination, Recognized Liability Assumed, Long-Term Debt, Current Year five Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Mortgage banking income Fees and Commissions, Mortgage Banking1 Fees and Commissions, Mortgage Banking1 Derivative Contract [Domain] Derivative Contract [Domain] Gain/(Loss) Debt Securities, Available-for-Sale, Realized Gain (Loss) Total liabilities and shareholders’ equity Liabilities and Equity Purchases of FRB stock Payments to Acquire Federal Reserve Bank Stock Share-Based Payment Arrangement, Option Employee stock option Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three 2026 (July-December) Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Transfers of loans to other real estate owned Real Estate Owned, Transfer to Real Estate Owned Gains (losses) on derivatives financial instruments included in the Consolidated Statements of Income Derivative, Gain (Loss) on Derivative, Net [Abstract] Carrying amount prior to remeasurement Other Real Estate, Non Covered, Carrying Amount Other Real Estate, Non Covered, Carrying Amount Debt instrument, measurement inputs Debt Instrument, Measurement Input Preferred stock, $0.01 par value – 5,000,000 shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Hedging Designation [Axis] Hedging Designation [Axis] Loan modification with subsequent deterioration Financing Receivable, Excluding Accrued Interest, Modification Period, Subsequent Deterioration Financing Receivable, Excluding Accrued Interest, Modification Period, Subsequent Deterioration Total financial assets Assets, Fair Value Disclosure Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Number of positions, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions Residential Residential [Member] Residential Loans Interest and Fee Income, Financing Receivable Additional Paid-In Capital Additional Paid-in Capital [Member] Interest receivable Interest Receivable Name Trading Arrangement, Individual Name Unrecognized stock-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Depreciation, amortization and accretion Depreciation, Depletion and Amortization Discount rate Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate Issuance of common stock for stock-based compensation awards (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Non-PEO NEO Non-PEO NEO [Member] Total noninterest expense Noninterest Expense Award Timing Method Award Timing Method [Text Block] Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Due after one year through five years Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year One through Five Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year One through Five Mortgage Servicing Rights Transfers and Servicing of Financial Assets [Text Block] Derivative liabilities, Notional Amount Derivative Liability, Notional Amount Without single maturity date, fair value Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Net income (loss) Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Proceeds from sales of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Balances for Each Component of Other Comprehensive Income, Net of Tax Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Probability of growth scenarios in factoring business Measurement Input, Probability og Growth Scenarios n Factoring Business [Member] Measurement Input, Probability og Growth Scenarios n Factoring Business Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Changes in fair value (loss) gain Fair Value, Option, Changes in Fair Value, Gain (Loss) Available for sale securities, explicit or implicit performance indicating factors percentage Available for Sale Securities, Explicit or Implicit Performance Indicating Factors Percentage Available for Sale Securities, Explicit or Implicit Performance Indicating Factors Percentage Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Gross amounts offset in the Consolidated Balance Sheets Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Merger and conversion related expenses Business Combination, Acquisition-Related Cost, Expense Performance-Based Restricted Stock Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Total deposits Deposits Common stock, $5.00 par value – 250,000,000 shares authorized; 97,722,397 shares issued; 91,403,230 and 94,636,207 shares outstanding, respectively Common Stock, Value, Issued Gains on derivative instruments Interest Expense, Operating and Nonoperating Unused commitments Unused Commitments to Extend Credit Communications Communication Derivative Instruments Derivative Instruments [Member] Derivative Instruments Restatement Determination Date Restatement Determination Date Provision for credit losses on loans, acquired portfolio Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Portfolio Acquisition Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Portfolio Acquisition Other Other Noninterest Expense Weighted-average prepayment speed (CPR) Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Prepayment Speed Loans Financing Receivables [Text Block] Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Gross contractual amounts receivable Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Gross Contractual Amount Summary of loans Loans and Leases Receivable, Net Amount [Abstract] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Nonaccruing Loans Nonaccruing Loans [Member] Nonaccruing Loans [Member] Schedule of Amortized Cost and Fair Value of Securities Available for Sale Debt Securities, Available-for-Sale [Table Text Block] OREO Oreo [Member] OREO. Investment Type Categorization [Domain] Investments [Domain] Funding of mortgage loans held for sale Payment for Origination, Loan, Mortgage, Held-for-Sale Federal Home Loan Bank Advances Federal Home Loan Bank Advances [Member] Common stock issued in connection with an acquisition Stock Issued During Period, Value, Acquisitions Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Other real estate owned, net Other Real Estate, Foreclosed Assets, and Repossessed Assets Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Secure government, public and trust deposits Secure Government Public and Trust Deposits [Member] Secure government public and trust deposits . Financial assets: Assets, Fair Value Disclosure [Abstract] Average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Derivative, notional amount Derivative, Notional Amount Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] OREO, measurement inputs Other Real Estate Owned, Measurement Input Interest-bearing balances with banks Interest-Bearing Deposits in Banks and Other Financial Institutions Due after five years through ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Amortized cost and fair value of securities by contractual maturity Securities Debt Maturities [Abstract] Securities Debt Maturities [Abstract] Total noninterest income Noninterest income (loss) Noninterest Income Purchases of FHLB stock Payments to Acquire Federal Home Loan Bank Stock Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Financial information for the Company's operating segments Segment Reporting, Descriptive Information [Abstract] Par value Business Combination, Acquired Receivable, Purchased with Credit Deterioration, Fair Value Business Combination, Acquired Receivable, Purchased with Credit Deterioration, Fair Value Purchase Price: Business Combination, Consideration Transferred [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Net income applicable to common stock Net Income (Loss) Available to Common Stockholders, Basic Debt Securities, Held-to-maturity [Table] Debt Securities, Held-to-Maturity [Table] Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Allowance for credit losses at acquisition Business Combination Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Business Combination Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Loans, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Securities Securities [Member] Securities Impact of Recently-Issued Accounting Standards and Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] OREO measured at fair value on a nonrecurring basis Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Abstract] Other real estate owned measured at fair value on nonrecurring basis. Losses (gains) on sales of premises and equipment Gain (Loss) on Disposition of Property Plant Equipment Collateral dependent loans, net of allowance for credit losses Impaired Loans [Member] Impaired loans. Recognition of operating right-of-use assets and liabilities Recognition of Operating Right-of-Use Asset And Liabilities Recognition of Operating Right-of-Use Asset And Liabilities Other intangible assets Intangible asset Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Long-term debt Long-Term Debt Year three Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year (Positive) negative valuation adjustment to MSR Valuation adjustment Mortgage Servicing Rights (MSR) Impairment (Recovery) Unrealized Losses, Less than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Agency mortgage-backed securities Agency mortgage-backed securities Government Agency Mortgage Backed Securities [Member] Government agency mortgage backed securities. Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Residential Residential Real Estate [Member] Financial collateral (cash) pledged Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Due after five years through ten years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Security Exchange Name Security Exchange Name Bank Servicing Bank Servicing [Member] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Consumer Consumer Installment Loans to Individuals [Member] Installment loans to individuals. Total financial liabilities Liabilities, Fair Value Disclosure Number of positions, 12 Months or More Debt Securities, Held for maturity, Continuous Unrealized Loss Position, 12 Months Or More, Number Of Positions Debt Securities, Held for maturity, Continuous Unrealized Loss Position, 12 Months Or More, Number Of Positions Fair value, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Unearned income Financing Receivable, Unearned Income Financing Receivable, Unearned Income Borrowings Interest Expense, Borrowings Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Interest Rate Reduction, Term Extension and Payment Delay Interest Rate Reduction, Term Extension And Payment Delay [Member] Interest Rate Reduction, Term Extension And Payment Delay Allowance for credit losses - held to maturity securities Allowance for credit losses - held to maturity securities Debt Securities, Held-to-Maturity, Allowance for Credit Loss Amounts reclassified from accumulated other comprehensive income Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Estimated impact of a 20% increase Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Adverse Change in Prepayment Speed Scheduled Of Collateral Dependent Loans Type of Collateral and Allowance For Credit Losses Scheduled Of Collateral Dependent Loans Type of Collateral and Allowance For Credit Losses [Table Text Block] Scheduled Of Collateral Dependent Loans Type of Collateral and Allowance For Credit Losses Fair Value Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value Due within one year Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Estimate of contractual cash flows not expected to be collected Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Contractual Cash Flow, Estimated Uncollectible Total securities available for sale OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Noncash transactions: Noncash Investing and Financing Items [Abstract] Defined Benefit Pension and Post-retirement Benefit Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Construction and land development - Residential Construction and land development - Residential [Member] Construction and land development - Residential Fair Value by Asset Class [Domain] Asset Class [Domain] Asset Class [Domain] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Voting interest acquired (percent) Business Combination, Voting Equity Interest Acquired, Percentage Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Loans held for investment, net of unearned income Total Loans Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Underlying Security Market Price Change Underlying Security Market Price Change, Percent Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Gross Unrealized Losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Short-term borrowings Short-Term Debt Derivative liabilities, Fair Value Gross amounts recognized Derivative Liability, Subject to Master Netting Arrangement, before Offset Provision for credit losses on unfunded loan commitments Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Basic and diluted net income per common share Earnings Per Share, Basic and Diluted EPS [Abstract] Earnings Per Share, Basic and Diluted EPS Treasury Stock Treasury Stock, Common [Member] Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Additions Servicing Asset at Fair Value, Additions Junior lien Junior Lien [Member] Commercial and industrial Commercial Loan [Member] Transfers and Servicing [Abstract] Transfers and Servicing [Abstract] Notional Amount Derivative Asset, Notional Amount Schedule of Differences Between Fair Value and Principal Balance for Mortgage Loans Held for Sale Measure at Fair Value Fair Value Option, Disclosures [Table Text Block] Year three Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Collateral [Domain] Collateral Held [Domain] Nonvested at beginning of period (in usd per share) Nonvested at end of period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Interest rate lock commitments Interest Rate Lock Commitments [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Defined benefit pension and post-retirement benefit plans: Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Treasury shares reissued (in shares) Stock Issued During Period, Shares, Treasury Stock Reissued Data processing Information Technology and Data Processing Loan portfolio by risk-rating grades Loan Portfolio by Risk Rating Grades [Abstract] Loan portfolio by risk rating grades. Contract-based intangible Contract-Based Intangible Contract-Based Intangible Assets [Member] Schedule of Basic and Diluted Net Income Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment Reporting Segment Reporting [Text Block] Proceeds from call/maturities of securities available for sale Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Fair Value, Less than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Liabilities Liabilities [Abstract] Schedule of Estimated Amortization Expense of finite-Lived Intangible Assets Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Proceeds from sale of mortgage servicing rights Proceeds from Sale of Mortgage Servicing Rights (MSR) Other liabilities Other Liabilities Contingent consideration Business Combination, Consideration Transferred, Liabilities Incurred Business Combination [Line Items] Business Combination [Line Items] Other Noninterest Income, Other Operating Income Proceeds from redemption of FHLB stock Proceeds from Sale of Federal Home Loan Bank Stock Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Intangible asset, useful life Intangible Asset, Finite-Lived, Useful Life Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Schedule of Held-to-maturity Securities [Line Items] Schedule of Held-to-Maturity Securities [Line Items] Due after ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Exercise Price Award Exercise Price Recurring Fair Value, Recurring [Member] Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Obligations of states and political subdivisions US States and Political Subdivisions Debt Securities [Member] Employee Benefit and Deferred Compensation Plans Compensation and Employee Benefit Plans [Text Block] Special Mention Special Mention [Member] Year four Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Proceeds from sales of securities available for sale Net Proceeds Proceeds from Sale of Debt Securities, Available-for-Sale Offsetting Derivative Liabilities Derivative Liability [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] Measurement Input Type [Domain] Measurement Input Type [Domain] Obligation to pay additional amounts, period Business Combination, Contingent Consideration, Liability. Period Business Combination, Contingent Consideration, Liability. Period Intangible assets, including goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Including Goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Including Goodwill Adoption Date Trading Arrangement Adoption Date Subordinated notes Subordinated Debt Obligations, Fair Value Disclosure Mortgage servicing rights, net Servicing Asset Risk Participation Agreement Risk Participation Agreement [Member] Risk Participation Agreement Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Stock options outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Securities held to maturity Fair Value Fair Value Debt Securities, Held-to-Maturity, Fair Value Taxable Interest Income, Securities, Operating, Taxable Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Business Combination [Domain] Business Combination [Domain] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Schedule of Antidilutive Securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Weighted Average Weighted Average [Member] All Adjustments to Compensation All Adjustments to Compensation [Member] Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Core deposit intangible Core Deposit Intangible Core Deposits [Member] Business Combination [Axis] Business Combination [Axis] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Income Statement [Abstract] Income Statement [Abstract] Shareholders’ equity Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Service charges on deposit accounts Fees and Commissions, Depositor Accounts1 Fees and Commissions, Depositor Accounts1 Holdback Payments to Acquire Businesses, Gross, Holdback Amount Payments to Acquire Businesses, Gross, Holdback Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Intangible Asset, Finite-Lived Intangible Asset, Finite-Lived [Table Text Block] City Area Code City Area Code Due after five years through ten years Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year 5 through 10 Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year 5 through 10 Measurement input, price volatility Measurement Input, Price Volatility [Member] Name Forgone Recovery, Individual Name Modification, Interest rate reduction Financing Receivable, Excluding Accrued Interest, Modification Period Financing Receivable, Excluding Accrued Interest, Modification Period Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted Average Grant-Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Securities available for sale Debt Securities, Available-for-Sale [Member] Debt Securities, Available-for-Sale Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Securities Interest and Dividend Income, Securities, by Taxable Status [Abstract] Total interest income Total interest income Interest and Dividend Income, Operating Schedule of The Changes in Stock Options and Restricted Stock Share-Based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block] Mortgage loans held for sale in loans held for sale Mortgage loans held for sale measured at fair value Loan, Mortgage, Held-for-Sale, Fair Value Disclosure (Increase) decrease in other assets Increase (Decrease) in Other Operating Assets Amortization Amortization of Mortgage Servicing Rights (MSRs) Total stock-based compensation expense Share-Based Payment Arrangement, Expense Number of positions, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Gross amounts offset in the Consolidated Balance Sheets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Accrued fees Business Combination, Recognized Asset Acquired,, Accrued Fees Business Combination, Recognized Asset Acquired,, Accrued Fees Acquisition of factoring business Goodwill, Acquired During Period Awarded (in usd 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 Due within one year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Cancelled (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Unrealized Holding Gains (Losses) on Available-for-Sale Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Changes in mortgage servicing rights Changes in Mortgage Servicing Rights [Roll Forward] Changes in mortgage servicing rights. Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Unrealized holding (losses) gains on securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Financial liabilities: Liabilities, Fair Value Disclosure [Abstract] Cash Flow Hedging Cash Flow Hedging [Member] Securities available for sale Debt Securities, Available for Sale, Other [Member] Debt Securities, Available for Sale, Other [Member] Schedule of Allocation of Purchase Price to Assets and Liabilities Acquired Business Combination [Table Text Block] Contract-Based Intangible Contract-Based Intangible [Member] Contract-Based Intangible Financing receivable, modified, weighted average term increase from modification Financing Receivable, Modified, Weighted-Average Term Increase from Modification Unrealized Losses, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Other Other Interest and Dividend Income Financial Instruments [Domain] Financial Instruments [Domain] Provision for credit losses Financing Receivable, Credit Loss, Expense (Reversals) Financing Receivable, Credit Loss, Expense (Reversals) Year five Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Net amounts presented in the Consolidated Balance Sheets Derivative instruments Derivative instruments Derivative Asset Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Goodwill and Other Intangible Assets Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Aggregate Fair Value Fair Value Estimate of Fair Value Measurement [Member] Derivative Asset, Statement of Financial Position [Extensible Enumeration] Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other, net Payment for (Proceeds from) Other Investing Activity Common stock issued in connection with an acquisition (in shares) Stock Issued During Period, Shares, Acquisitions 30-89 Days Past Due Financing Receivables, 30 to 89 Days Past Due [Member] Financing Receivables, 30 to 89 Days Past Due [Member] Segment Reporting [Table] Segment Reporting [Table] Provision for credit losses Provision for Loan, Lease, and Other Losses Home equity Home Equity Loan [Member] Premises and equipment, net Property, Plant, and Equipment and Operating Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Property, Plant, and Equipment and Operating Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Beginning balance Ending balance Off-Balance-Sheet, Credit Loss, Liability All Trading Arrangements All Trading Arrangements [Member] Fair Value, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Schedule of Assets Measured at Fair Value on a Nonrecurring Basis Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Current Fiscal Year End Date Current Fiscal Year End Date Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Provision for credit losses on loans Provision for (recovery of) credit losses on loans Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Derivative [Line Items] Derivative [Line Items] Cumulative Effect, Period Of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Net amounts Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Repurchase of shares in connection with stock repurchase program (in shares) Stock Repurchased During Period, Shares Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Common stock, dividends, per share, declared (in usd per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Net decrease in short-term borrowings Proceeds from (Repayments of) Short-Term Debt Issuance of common stock for stock-based compensation awards, net of forfeitures Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Schedule of Amortized Cost and Fair Value of Securities by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Proceeds from surrender of bank-owned life insurance Proceeds from Life Insurance Policy Weighted-average servicing fee (basis points) Servicing Assets and Servicing Liabilities at Fair Value Assumptions Used to Estimate Fair Value Weighted Average Servicing Fee Servicing assets and servicing liabilities at fair value assumptions used to estimate fair value weighted average servicing fee. Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Measure: Measure [Axis] Net cash (paid) received in acquisition of businesses Net Cash Received (Paid) in Acquisition Net Cash Received (Paid) in Acquisition Treasury stock (in shares) Treasury Stock, Common, Shares Impaired loans measured at fair value on a nonrecurring basis Fair Value Measurement on Impaired Loans on Non Recurring Basis [Abstract] Fair value measurement on impaired loans on non recurring basis. Tax-exempt Interest Income, Securities, Operating, Tax Exempt Equity Components [Axis] Equity Components [Axis] Cumulative Effect, Period Of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Entity Interactive Data Current Entity Interactive Data Current Estimated impact of a 10% increase Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Prepayment Speed Due after one year through five years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Entity Small Business Entity Small Business Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Weighted average useful life (in years) Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Net interest income Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Document Type Document Type Due after ten years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Construction and land development Construction And Land Development [Member] Construction And Land Development Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Proceeds from sales of other assets Proceeds from Sale of Other Assets, Investing Activities Non-PCD loans: Business Combination, Acquired Receivable, Purchased without Credit Deterioration [Abstract] Business Combination, Acquired Receivable, Purchased without Credit Deterioration Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Antidilutive Security [Domain] Antidilutive Securities, Name [Domain] Securities available for sale: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Executive Category: Executive Category [Axis] Liabilities and shareholders’ equity Liabilities and Equity [Abstract] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Amounts reclassified into earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Credit derivative, maximum potential amount of future payments Credit Derivative, Maximum Exposure, Undiscounted PEO Name PEO Name Unrealized Gains (Losses) on Derivative Instruments Derivative instruments: Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Financial liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Fair value, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Cash paid for income taxes Income Tax Paid, before Refund Received Other segment expenses Segment Reporting, Other Segment Item, Amount Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Assets and liabilities not measured and reported at fair value on a recurring basis or nonrecurring basis Fair Value Balance Sheet Grouping Financial Statement Captions [Abstract] Fair value balance sheet grouping financial statement captions. Entity Tax Identification Number Entity Tax Identification Number Contingent consideration liabiilty, measurement input Business Combination, Contingent Consideration, Liability, Measurement Input Cash and due from banks Cash and Due from Banks Schedule of Aging of Past Due and Nonaccrual Loans Financing Receivable, Past Due [Table Text Block] Current Loans Financial Asset, Not Past Due [Member] Unrealized holding gains (losses) on derivative instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Accruing Loans Accruing Loans [Member] Accruing loans. Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code BOLI income Income from bank-owned life insurance Bank Owned Life Insurance Income Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Other liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Interest expense Interest Expense, Operating and Nonoperating [Abstract] Salaries and employee benefits Salaries and employee benefits Labor and Related Expense Proceeds from call/maturities of securities held to maturity Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Short-term borrowings Short-Term Debt [Member] Basic earnings per share (in usd per share) Net income per common share - basic (in usd per share) Earnings Per Share, Basic Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Table] Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Table] Other real estate owned measured at fair value on nonrecurring basis. Measurement Input Type [Axis] Measurement Input Type [Axis] Insider Trading Arrangements [Line Items] Short-term borrowings Short-Term Debt, Fair Value Commercial and industrial Commercial and Industrial [Member] Commercial and Industrial Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of the Hedged Item Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) Commercial real estate Commercial real estate - owner occupied Commercial Residential Mortgage [Member] Commercial Residential Mortgage [Member] Bank-owned life insurance Bank Owned Life Insurance Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Fair Value, Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Contingent consideration, liability Contingent consideration Business Combination, Contingent Consideration, Liability Recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Term Extension and Payment Delay Term Extension and Payment Delay [Member] Term Extension and Payment Delay Collateral dependent loans Fair Value Impaired Loans Measured at Fair Value on Nonrecurring Basis Impaired loans measured at fair value on nonrecurring basis. Year two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Decrease in other liabilities Increase (Decrease) in Other Operating Liabilities Revolving Loans Converted to Term Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Pass Pass [Member] Schedule of Non-Purchased Loans and Leases Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Intangible Asset, Finite-Lived, after Accumulated Amortization [Abstract] Intangible Asset, Finite-Lived, after Accumulated Amortization [Abstract] Other debt securities Other Debt Obligations [Member] Other Other Non Owner Occupied [Member] Other Non Owner Occupied Available for Sale: Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position [Abstract] Cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Schedule of Realized Gain (Loss) Schedule of Realized Gain (Loss) [Table Text Block] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Commercial mortgage-backed securities: Commercial mortgage-backed securities: Commercial Mortgage-Backed Securities [Member] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Four Finite-Lived Intangible Asset, Expected Amortization, after Year Four Hedging Designation [Domain] Hedging Designation [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Amortization of unrealized holding losses on securities transferred to the held to maturity category Amortization of Unrealized Holding Gains on Securities Transferred to Held to Maturity Category Amortization of Unrealized Holding Gains on Securities Transferred to Held to Maturity Category Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Commercial real estate - owner occupied Owner-occupied Owner Occupied [Member] Owner Occupied [Member] Loans, including loans held for sale Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Loans, Net Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Loans, Net Income Taxes Income Tax Disclosure [Text Block] Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalent [Table] Estimated impact of a 20% increase Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Adverse Change in Discount Rate Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total purchase consideration Total purchase price Business Combination, Consideration Transferred Entity Filer Category Entity Filer Category Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position Supplemental disclosures Supplemental Cash Flow Elements [Abstract] Other real estate owned Foreclosed Real Estate Expense, Net Foreclosed Real Estate Expense, Net Schedule of Offsetting Liabilities Offsetting Liabilities [Table Text Block] Junior subordinated debentures Junior Subordinated Debt Obligations, Fair Value Disclosure Junior Subordinated Debt Obligations, Fair Value Disclosure Advertising and public relations Advertising Expense Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Purchase price per share (usd per share) Business Combination, Price Per Share Net amounts presented in the Consolidated Balance Sheets Derivative instruments: Derivative instruments Derivative Liability Entity Address, Address Line One Entity Address, Address Line One Vested (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income taxes Tax benefit Income tax expense (benefit) Income Tax Expense (Benefit) Fair Value Hedging Fair Value Hedging [Member] Without single maturity date, amortized cost Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Amortized Cost Debt Securities, Held-to-maturity, before Allowance for Credit Loss, Maturity, without Single Maturity Date, Amortized Cost Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Purchased Credit-Deteriorated (“PCD”) loans: Business Combination, Acquired Receivable, Purchased with Credit Deterioration [Abstract] Business Combination, Acquired Receivable, Purchased with Credit Deterioration Total Loans Charge-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Non-credit discount Business Combination, Acquired Receivable, Purchased with Credit Deterioration, Non-Credit Discount Business Combination, Acquired Receivable, Purchased with Credit Deterioration, Non-Credit Discount Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Discounted scenario-based probability-weighted cash flow Valuation Technique, Discounted Cash Flow [Member] Statement [Table] Statement [Table] Year two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Derivative assets, Fair Value Gross amounts recognized Derivative Asset, Subject to Master Netting Arrangement, before Offset Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Due after ten years Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year 10 Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and single Maturity Date, after Year 10 Net identifiable assets acquired over liabilities assumed Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Net of Cash Settlement for Stock Options Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Net of Cash Settlement for Stock Options Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]