Debt Securities Investment, Policy [Policy Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Amortization expense Investment Program, Proportional Amortization Method, Applied, Amortization Expense Entity File Number Entity File Number Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Accounting Guidance Pending Adoption in 2025 New Accounting Pronouncements, Policy [Policy Text Block] Finance Leases Finance lease cost Finance Lease, Liability [Abstract] Carrying amounts and estimated fair values of financial instruments not carried at fair value Fair Value, by Balance Sheet Grouping [Table Text Block] Impairment losses Investment Program, Proportional Amortization Method, Elected, Impairment Loss Debt securities available-for-sale Debt Securities [Member] Measurement Basis [Axis] Measurement Basis [Axis] 2027 Other Commitment, to be Paid, Year Two Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Reclassification adjustment for securities transferred from available-for-sale to held-to-maturity OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), before Tax Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Held-to-Maturity Debt Securities, Held-to-Maturity, Maturity [Abstract] Business Combination, Consideration Transferred [Abstract] Business Combination, Consideration Transferred [Abstract] Recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Changes in fair value, gains Fair Value, Option, Changes in Fair Value, Gain (Loss) Due after ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost Stock issuances under stock incentive plans (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Interest rate caps Interest Rate Cap [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Net (decrease) increase in short-term Federal Home Loan Bank advances Proceeds from (Repayments of) Short-Term Debt, Maturing in Three Months or Less Net (increase) decrease in other assets Increase (Decrease) in Other Operating Assets Principles of Consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation, net of tax benefits Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Loans Financing Receivable, after Allowance for Credit Loss Cash, Cash Equivalents and Interest Bearing Cash Deposits Cash and Cash Equivalents, Policy [Policy Text Block] (Loss) gain on sale of securities Debt and Equity Securities, Realized Gain (Loss) Cash paid during the period for income taxes Income Taxes Paid Cash dividends declared Dividends, Common Stock, Cash Total stockholders’ equity Balance, beginning Balance, ending Equity, Attributable to Parent Fair Value by Measurement Frequency [Axis] Measurement Frequency [Axis] Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Financial assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Recurring Measurements Fair Value, Recurring [Member] Amortized Cost Debt Securities, Amortized Cost Basis This item represents the cost of available-for-sale and held-to-maturity debt securities, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Cover [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Transfer of loans to other real estate owned Real Estate Owned, Transfer to Real Estate Owned Total, Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position Intangibles, net Finite-Lived Intangible Assets, Net Collateral Dependent Loans Collateral Dependent Loans [Line Items] Collateral Dependent Loans Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Investment Grade Internal Investment Grade [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] External Credit Rating, Standard & Poor's [Domain] External Credit Rating, Standard & Poor's [Domain] Number of credit rating categories, highest Number Of Credit Rating Categories, Highest Number Of Credit Rating Categories, Highest Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other Assets Other Assets [Member] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Weighted Average Term Extension Financing Receivable, Modified, Weighted Average Term Increase from Modification Income Before Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Proceeds from sale of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Mortgage-backed securities Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total interest expense Interest Expense, Operating Short-term Operating Lease, Liability, Current Interest on lease liabilities Finance Lease, Interest Expense Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Non-Accrual Financing Receivable, Excluding Accrued Interest, Nonaccrual Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Furniture and Fixtures Furniture and Fixtures [Member] Award Type Award Type [Axis] Unaudited pro forma summary of the company as if the acquisitions had occurred at the beginning of the period Business Combination, Pro Forma Information [Table Text Block] Other real estate owned and foreclosed assets Foreclosed Real Estate Expense Mortgage Banking [Abstract] Trading Symbol Trading Symbol Combined approach Combined Approach Valuation Technique [Member] Combined Approach [Member] Business Combinations Business Combination [Policy Text Block] Reclassification adjustments for amortization included in net income for transferred securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-For-Sale, Amortization Included In Net Income, Parent [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Available-For-Sale, Amortization Included In Net Income, Parent Entity Address, City or Town Entity Address, City or Town Maturing four years through five years Lessee, Operating Lease, Liability, to be Paid, Rolling Year Five Finance Leases, Weighted-average discount rate Finance Lease, Weighted Average Discount Rate, Percent Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Allowance for Credit Losses - Available-for-Sale Debt Securities, Held-to-Maturity Debt Securities and Loans Receivable Credit Loss, Financial Instrument [Policy Text Block] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Credit quality indictors for HTM debt securities Debt Securities, Held-to-Maturity, Credit Quality Indicator [Table Text Block] Value of acquisition Business Combination, Consideration Transferred, Total Business Combination, Consideration Transferred Entity Emerging Growth Company Entity Emerging Growth Company Finance Leases, Weighted-average remaining lease term Finance Lease, Weighted Average Remaining Lease Term 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] 2028 Other Commitment, to be Paid, Year Three Total non-interest income Noninterest Income Difference between lease payments and present value of lease payments Finance Lease, Liability, Undiscounted Excess Amount Number of common stock shares outstanding (in shares) Balance, beginning (in shares) Balance, ending (in shares) Common Stock, Shares, Outstanding Gain on sale of loans Gain on sale of loans Gain (Loss) on Sales of Loans, Net Amortized cost, gross unrealized gains and losses and fair value of debt securities Marketable Securities [Table Text Block] Gross Unrealized Losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Equity investments obtained in exchange for delayed equity contributions Equity Investment Obtained In Exchange For Delayed Equity Contributions Equity Investment Obtained In Exchange For Delayed Equity Contributions Non-Interest Expense Noninterest Expense [Abstract] Guaranty Bancshares, Inc Guaranty Bancshares, Inc [Member] Guaranty Bancshares, Inc Cash on hand and in banks Cash and Due from Banks Legal fees Legal Fees Tax credits and other tax benefits recognized Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization Expense Fair value measurement transfers from one level to another Fair Value Measurement Transfers From One Level To Another Fair Value Measurement Transfers From One Level To Another 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] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Total Securities Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] Weighted Average Interest Rate Reduction Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification Pledged Status [Domain] Pledged Status [Domain] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Investment securities Interest and Dividend Income, Securities, Operating Pro Forma Information Business Combination, Pro Forma Information [Abstract] Federal and state income tax expense Income Tax Expense (Benefit) Tax effect Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Other assets Other Assets Credit Rating, Standard & Poor's [Axis] Credit Rating, Standard & Poor's [Axis] Preferred shares, issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Right of use assets, net Finance Lease And Operating Lease, Right-Of-Use-Assets , Net Finance Lease And Operating Lease, Right-Of-Use-Assets , Net Net of tax amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Other Expenses Other Income and Expenses [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Acquisitions and adjustments Goodwill, Acquired During Period All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Maturing two years through three years Finance Lease, Liability, to be Paid, Rolling Year Three Other income Noninterest Income, Other Operating Income Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Loan expenses Loan-Related Expenses Loan-related expenses. Repayments of short-term FRB Bank Term Funding Repayments of Short-Term Debt Off-balance sheet commitments Fair Value Disclosure, off-Balance-Sheet Risks, Face Amount, Liability Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Sales of debt securities, available-for-sale Proceeds from Sale of Debt Securities, Available-for-Sale Debt securities, available for sale Fair Value Debt securities, available for sale Debt Securities, Available-for-Sale, Excluding Accrued Interest Useful life of premises and equipment Property, Plant and Equipment, Useful Life Preferred shares, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Net Interest Income Interest Income (Expense), Operating Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Maximum period of original maturity to be included in cash and cash equivalents Maximum Period Of Original Maturity To Be Included In Cash And Cash Equivalents Maximum Period Of Original Maturity To Be Included In Cash And Cash Equivalents Operating Leases Lessee, Operating Lease, Liability, to be Paid, Rolling Maturity [Abstract] Identifiable assets acquired Business Combination, Recognized Asset Acquired, Asset [Abstract] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Available-for-Sale, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Rolling Maturity [Abstract] Equity Components [Axis] Equity Components [Axis] Term loans originated three years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Property, Plant and Equipment Property, Plant and Equipment [Line Items] Sublease income Sublease Income Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] 2026 Other Commitment, to be Paid, Year One Number of reportable segments Number of Reportable Segments Proceeds from sale of other real estate owned Proceeds from Sale of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Entity Address, State or Province Entity Address, State or Province Substandard Substandard [Member] Period past due to consider loan as purchased credit-deteriorated loan Period Past Due to Consider Loan as Purchased Credit-deteriorated Loan Period Past Due to Consider Loan as Purchased Credit-deteriorated Loan Principal payments on finance lease liabilities Finance Leases, Financing cash flows Finance Lease, Principal Payments Stock-based compensation and related taxes APIC, Share-Based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition Total interest income Interest and Dividend Income, Operating Special Mention Special Mention [Member] Financing Receivables, Period Past Due [Domain] Financial Asset, Aging [Domain] Principal balances of loans serviced for others Servicing Asset Proceeds from calls of debt securities Held-to-Maturity Securities, Gross Realized Gains (Losses), Sale Proceeds The total amount of proceeds received for the sale of securities categorized as held-to-maturity during the reporting period. The sale of held-to-maturity securities includes proceeds from maturities, prepayments and calls. Loans receivable, net of ACL Loans Receivable, Fair Value Disclosure Individual: Individual [Axis] Cash dividends paid Payments of Ordinary Dividends, Common Stock Collateral-dependent impaired loans, net of ACL Collateral Dependent Impaired Loans Owned Fair Value Disclosure Collateral dependent impaired loans owned fair value disclosure. Carrying value at beginning of period Carrying value at end of period Servicing Asset at Amortized Cost Mortgage-backed securities Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Financing Receivable, Modified Financing Receivable, Modified [Line Items] Loss on sale and write-downs of other real estate owned, net Gains (Losses) on Sales of Other Real Estate Interest Income Interest and Dividend Income, Operating [Abstract] Loan Servicing Rights Transfers and Servicing of Financial Assets, Servicing of Financial Assets, Policy [Policy Text Block] Finance Leases Finance Lease, Liability, to be Paid, Rolling Maturity [Abstract] Total non-interest expense Noninterest Expense 2029 Other Commitment, to be Paid, Year Four Payment Deferral Payment Deferral [Member] Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) [Abstract] Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) [Abstract] Deposits Interest Expense, Deposits Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Non-Interest Income Noninterest Income [Abstract] Accumulated depreciation Finance Lease, Right-of-Use Asset, Accumulated Amortization Entity Central Index Key Entity Central Index Key PEO Name PEO Name 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] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Credit quality indicators for commercial loans Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Other Comprehensive Income, Net of Tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Total Investment Program, Proportional Amortization Method, Elected, Commitment Non-interest bearing deposits Noninterest-Bearing Deposit Liabilities Maximum period up to which purchase price of business is allocated to assets acquired and liabilities assumed Maximum Period up to Which Purchase Price of Business is Allocated to Assets Acquired and Liabilities Assumed Maximum Period up to Which Purchase Price of Business is Allocated to Assets Acquired and Liabilities Assumed. Due after five years through ten years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years Schedule of other expenses Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Sale and refinancing of other real estate owned Real Estate Owned, Transfer from Real Estate Owned Amortized Cost of Fair Value Hedging Included in the Carrying Amount of the Hedged Assets Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) Number of years for home equity loan origination term Number Of Years For Home Equity Loans Origination Term Number Of Years For Home Equity Loans Origination Term Fair Value Option, Disclosures [Table] Fair Value Option, Disclosures [Table] Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Reclassification adjustment for gains included in net income Other Comprehensive Income (Loss), Cash Flow Hedge, Reclassification for Discontinuance, before Tax 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] Additions Servicing Asset at Amortized Cost, Additions Entity Address, Address Line One Entity Address, Address Line One Accrued income and other assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accrued Income And Other Assets Amount of other assets acquired at the acquisition date. Loans Held for Sale Financing Receivable, Held-for-Sale [Policy Text Block] Accumulated Other Compre- hensive Loss AOCI Attributable to Parent [Member] Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Fair value of common stock shares issued Stock Issued Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Checking and operating expenses Deposit-Related Expenses Deposit related expenses other than interest expense. Other Liabilities Other Liabilities [Member] Fair Value as of Grant Date Award Grant Date Fair Value Available-for-sale Debt Securities, Available-for-Sale, Realized Gain (Loss) [Abstract] Term loans originated four years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Compensation and employee benefits Labor and Related Expense Add: dilutive restricted stock units and stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Miscellaneous loan fees and charges Miscellaneous Loan Fees And Charges Miscellaneous loan fees and charges on residential real estate, commercial, agriculture, and consumer loans. Document Quarterly Report Document Quarterly Report Less than 12 Months, Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Gross realized gains Held-to-Maturity Securities, Sold Security, Realized Gain This item represents the gain realized on the sale of held-to-maturity securities disposed of during the period. Quantitative information about assets measured at fair value on a non-recurring basis for which Level 3 inputs were used Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] U.S. government sponsored enterprises U.S. government sponsored enterprises US Government-sponsored Enterprises Debt Securities [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Federal reserve balance or cash on hand required Federal Reserve Balance Or Cash On Hand Required Federal Reserve balance or cash on hand required. Number of days delinquent to charge off loans Financing Receivable, Threshold Period Past Due, Writeoff1 Threshold period for when financing receivable is considered past due to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Lease liabilities location Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Summary of Loans Receivable Financing Receivable, after Allowance for Credit Loss [Abstract] Commercial loans Interest and Fee Income, Loans, Commercial Cash paid for acquisition Cash consideration Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] Federal Home Loan Bank advances Advance from Federal Home Loan Bank Maturing three years through four years Lessee, Operating Lease, Liability, to be Paid, Rolling Year Four Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Loss) [Line Items] Forecasted notional amount Derivative Liability, Notional Amount Overnight and Continuous Maturity Overnight [Member] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax All Award Types Award Type [Domain] Moody's: Aaa Moody's, Aaa Rating [Member] Unrealized gains (losses) on derivatives used for cash flow hedges Amount of (loss) gain recognized in OCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Net change in loans Payments for (Proceeds from) Loans Receivable Equity Awards Adjustments Equity Awards Adjustments [Member] Advertising and promotions Advertising Expense Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Compensation Amount Outstanding Recovery Compensation Amount Reclassification adjustments for losses and transfers included in net income AOCI, Accumulated Gain (Loss), Debt Securities, Available-For-Sale, Gains And Transfers Included In Net Income, Parent [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Available-For-Sale, Gains And Transfers Included In Net Income, Parent Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Estimated Fair Value Estimate of Fair Value Measurement [Member] Performing Performing Financial Instruments [Member] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Fair Value, Option, Quantitative Disclosures Fair Value, Option, Quantitative Disclosures [Line Items] Reclassification adjustment for gains included in net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Collateral-dependent loans Financing Receivable Repayment Through Operation Or Sale Of Collateral [Table Text Block] Tabular Disclosure of Financing Receivable Repayment Through Operation Or Sale Of Collateral. Net ROU assets location Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Carrying value of equity investments in LIHTCs Investment, Proportional Amortization Method, Elected, Amount Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Financial Instruments [Domain] Financial Instruments [Domain] CDE Certified Development Entities [Member] Certified development entities. Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Tax credit compliance period Tax Credit Compliance Period The period in which a tax credit project must stay in compliance for the investor to keep the tax credits. Minimum Minimum [Member] Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Total financial assets Financial Assets Fair Value Disclosure Financial assets fair value disclosure. Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Net income Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Fair Value Measurement [Domain] Fair Value Measurement [Domain] Gain on sale of securities Gain (Loss) on Sale of Investments Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Operating Leases, Operating cash flows Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Dividends declared during the period but not paid Dividends Payable Net income available to common stockholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Collateral [Domain] Collateral Held [Domain] Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] AOCI, Accumulated Gain (Loss), Debt Securities, Available-For-Sale, Gains and Transfers Included in Net Income, and Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent AOCI, Accumulated Gain (Loss), Debt Securities, Available-For-Sale, Gains And Transfers Included In Net Income, And Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Available-For-Sale, Gains And Transfers Included In Net Income, And Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent Goodwill Roll Forward Goodwill [Roll Forward] Average outstanding shares - diluted (in shares) Average outstanding shares - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Segment Reporting Segment Reporting, Policy [Policy Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Proceeds from bank-owned life insurance Proceeds from Life Insurance Policy Entity Small Business Entity Small Business Percentage of outstanding common stock acquired Business Combination, Voting Equity Interest Acquired, Percentage Due within one year Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Other Other Cost and Expense, Operating Remaining Maturity Derivative, Average Remaining Maturity Preferred shares, outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Net ROU assets location Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Total lease payments Finance Lease, Liability, to be Paid Underlying Securities Award Underlying Securities Amount Gross realized gains Debt Securities, Available-for-Sale, Realized Gain Equity Component [Domain] Equity Component [Domain] Maturing one year through two years Finance Lease, Liability, to be Paid, Rolling Year Two Document Period End Date Document Period End Date Gross Unrealized Losses Securities, Gross Unrealized Loss Accumulated In Investments Amount of accumulated unrealized loss before deducting unrealized gain on investments in available-for-sale and held-to-maturity securities impacting investments. Cash and cash equivalents Cash, Cash Equivalents, and Federal Funds Sold Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Short-term lease cost Short-Term Lease, Cost Total debt securities Debt Securities, Available-for-Sale and Held-to-Maturity, after Allowance for Credit Loss [Abstract] Net decrease in operating lease liabilities Increase (Decrease) in Operating Lease Liability Non-Accrual and 90 Days or More Past Due Nonperforming Financial Instruments Non-Accrual and 90 Days or More Past Due [Member] Category status of financial instruments in which payments are 90 days or more past due or on non-accrual in accordance with the terms of the contract. Financial instruments include, but are not limited to, financing receivables, loans, debt, and investments. Document Type Document Type Level 3 Level 3 Fair Value, Inputs, Level 3 [Member] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Gross Charge-Offs, Revolving loans Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Variable lease cost Variable Lease, Cost Revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Assets and Liabilities Assets and Liabilities, Lessee [Abstract] Range [Axis] Statistical Measurement [Axis] Gross Charge-Offs, originated fiscal year before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Quantitative Information About Level 3 Fair Value Measurements Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Tax withholding payments for stock-based compensation Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Derivative, term of contract Derivative, Term of Contract Due after one year through five years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Proceeds from long-term Federal Home Loan Bank advances Proceeds from FHLBank Borrowings, Financing Activities Net income available to common stockholders, basic Net Income (Loss) Available to Common Stockholders, Basic PCD loans acquired Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value Net current period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other Expenses [Abstract] Other Expenses [Abstract] Combination - Term Extension and Interest Rate Reduction Extended Maturity and Interest Rate Reduction [Member] Net amortization of purchase accounting adjustments and deferred loan fees and costs Accretion (Amortization) Of Discounts And Premiums, Business Combinations The sum of the periodic adjustments of the differences between business combination asset and liability fair values and carrying values that are charged against earnings. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method. Summary of pre-tax gains or losses Derivative Instruments, Gain (Loss) [Table Text Block] Total Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months Level 1 Fair Value, Inputs, Level 1 [Member] Gain on dispositions of premises and equipment Gain on dispositions of premises and equipment Gain (Loss) on Disposition of Assets S&P: AAA Standard & Poor's, AAA Rating [Member] Repayments of long-term Federal Home Loan Bank advances Payments of FHLBank Borrowings, Financing Activities Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted AOCI Attributable to Parent, Net of Tax AOCI Attributable to Parent, Net of Tax [Roll Forward] Amortized Cost Basis Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] LIHTC Variable Interest Entity, Not Primary Beneficiary [Member] Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] Accrued expenses and other liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accrued Expenses And Other Liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Accrued Expenses And Other Liabilities Weighted Average Term Extension Extended Maturity [Member] FHLB advances Federal Home Loan Bank Borrowings, Fair Value Disclosure Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] 30-89 Days Past Due Financial Asset, 30 to 89 Days Past Due [Member] Financial Asset, 30 to 89 Days Past Due Financial Instruments Owned and Pledged as Collateral [Line Items] Financial Instruments Owned and Pledged as Collateral [Line Items] Summary of debt securities Gain (Loss) on Securities [Line Items] Difference between lease payments and present value of lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Corporate bonds Corporate Bond Securities [Member] Total before mortgage-backed securities Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date Total lease payments Lessee, Operating Lease, Liability, to be Paid Net of tax amount OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Securities Sold Under Agreements to Repurchase Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items] Due after five years through ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Loans receivable Loans receivable Total Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Securities sold under agreements to repurchase Securities Sold under Agreements to Repurchase AFS debt securities in an unrealized loss position with no ACL recorded Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Expiration Date Trading Arrangement Expiration Date Other Commitments [Domain] Other Commitments [Domain] Net decrease in other liabilities Increase (Decrease) in Other Operating Liabilities Net increase in other borrowed funds Proceeds from (Repayments of) Other Debt Debit card expenses Debit Card Expense Debit card expense. ACL on held-to-maturity debt securities Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Pay Rate Derivative, Average Variable Interest Rate Amortization expense and tax credits and other tax benefits recognized for qualified affordable housing project investments Equity Method Investments [Table Text Block] Premises and equipment, net Property, Plant and Equipment, Net Debt securities, held-to-maturity Held-To-Maturity Investments, Fair Value Disclosure Fair value portion of held-to-maturity investment securities. Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Receivables [Abstract] Interest rate swap derivative financial instruments Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Collateral [Axis] Collateral Held [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Number of components used in methodology in determining ACL Financing Receivable, Allowance for Credit Losses, Number of Components Financing Receivable, Allowance for Credit Losses, Number of Components Used For Estimate Methodology Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] 12 Months or More, Unrealized Loss Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Loans Receivable Financing Receivable [Policy Text Block] Short-term Finance Lease, Liability, Current Sales comparison approach Valuation, Market Approach [Member] Current Fiscal Year End Date Current Fiscal Year End Date Less than 12 Months, Unrealized Loss Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Deposits Deposits Summary of loans receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Equity Securities Equity Securities without Readily Determinable Fair Value [Policy Text Block] Non-marketable equity securities Federal Home Loan Bank Stock Liability Derivative Derivative liabilities Derivative Liability Gain (loss) on sale of loans Gain (Loss) on Sale of Loans [Member] Primary financial statement caption encompassing gain (loss) on sale of loans. Other expenses Total other expenses Other Noninterest Expense Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Maturing four years through five years Finance Lease, Liability, to be Paid, Rolling Year Five Pass Pass [Member] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Total, Unrealized Loss Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Fair value measurement of assets measured at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Stock issued in connection with acquisitions Stock Issued During Period, Value, Acquisitions Forecasting period used to determine ACL Financing Receivable, Allowance for Credit Losses, Forecasting Period Financing Receivable, Allowance for Credit Losses, Forecasting Period Total identifiable net assets Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Restricted stock units and stock options excluded from the diluted average outstanding share calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Termination of interest rate swaps Payments for Derivative Instrument, Investing Activities Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Liabilities assumed Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Schedule of Held-to-maturity Securities [Line Items] Schedule of Held-to-Maturity Securities [Line Items] Collateral Pledged Collateral Pledged [Member] Loan portfolio aging analysis Financing Receivable, Past Due [Table Text Block] Number of bank divisions Number of Bank Divisions Number of Bank Divisions Interest bearing deposits Interest-Bearing Deposit Liabilities Other Commitments [Table] Other Commitments [Table] Leases Lessee, Operating Leases [Text Block] Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Credit Rating, Moody's [Axis] Credit Rating, Moody's [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Due after five years through ten years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Stock issuances under stock incentive plans Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Borrowings Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Borrowings Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Borrowings. Held-to-maturity Debt Securities, Held-to-Maturity, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Other consumer Other Consumer Consumer Portfolio Segment [Member] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Due within one year Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling within One Year Due after ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Supplemental Disclosure of Non-Cash Investing and Financing Activities Other Noncash Investing and Financing Items [Abstract] Entity Tax Identification Number Entity Tax Identification Number Gross Charge-Offs, originated three years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Mortgage-backed securities Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Carrying amounts of consolidated VIEs' assets and liabilities Schedule of Variable Interest Entities [Table Text Block] Wheatland and RMB Wheatland and RMB [Member] Wheatland and RMB Number of common stock shares issued (in shares) Common Stock, Shares, Issued Provision for credit losses on debt securities Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Operating Leases, Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Commercial mortgage-backed securities Commercial Mortgage-Backed Securities [Member] Goodwill Goodwill and Intangible Assets Disclosure [Text Block] Consumer and other loans Interest and Fee Income, Loans, Other Consumer Collateral-dependent impaired loans, net of ACL, measurement input Impaired Loans, Measurement Input Value of input used to measure impaired loans. Schedule of goodwill Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Security Exchange Name Security Exchange Name Loans Receivable, Net Financing Receivables [Text Block] Interest earned on interest bearing cash deposits Interest and Dividend Income, Securities, Operating, Other Statement [Line Items] Statement [Line Items] Amortized cost of the Hedged Assets Hedged Asset, Fair Value Hedge Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Common Stock Common Stock [Member] Intangible Assets Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Present value of lease payments Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] TBA hedge To Be Announced Hedge [Member] To Be Announced Hedge Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Consulting and outside services Consulting Fees Consulting fees other than legal and accounting fees. Loans Held For Sale Loans Held For Sale [Member] This item represents loans held-for-sale including, but not limited to, mortgage loans and finance receivables. Range [Domain] Statistical Measurement [Domain] Minimum period past due to consider loans as non accrual Minimum Period Past Due To Consider Loans As Non Accrual Minimum Period Past Due To Consider Loans As Non Accrual FRB Bank Term Funding Interest Expense, Federal Reserve Bank Funding, Short-Term Interest Expense, Federal Reserve Bank Funding, Short-Term Goodwill, expected tax deductible amount Business Combination, Goodwill, Expected Tax Deductible, Amount Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Interest rate Swap Interest rate swap Interest rate swap Interest Rate Swap [Member] Bank-owned life insurance Bank Owned Life Insurance Leases [Abstract] Leases [Abstract] Number of shares issued for acquisition (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Maximum term leases will be considered short-term Maximum Term Leases Will Be Considered Short-Term Maximum Term Leases Will Be Considered Short-Term Pledged Status [Axis] Pledged Status [Axis] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic earnings per share (in dollars per share) Earnings Per Share, Basic Employee expenses Miscellaneous Employee Expenses Miscellaneous employee expenses other than compensation and benefits. Printing and supplies Supplies Expense S&P: A+, A, A- Standard & Poor's, A+, A or A- Ratings [Member] A+, A or A- credit ratings as defined by the external credit rating agency, Standard & Poor's. Gain or loss on sale of investments Gain (Loss) on Investments [Abstract] Total other comprehensive income, net of tax Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Net increase in accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Term deposits Deposits, Fair Value Disclosure Gross Unrealized Gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Measurement Input Type [Domain] Measurement Input Type [Domain] Accounting and audit fees Accounting Fees Accounting Fees Fair value measurement of assets measured at fair value on a non-recurring basis Fair Value Measurements, Nonrecurring [Table Text Block] Other Other [Member] Other Charge-offs Gross Charge-Offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Amortization of investments in variable interest entities Variable Interest Entities Investment Amortization Amount of amortization expense of investment in variable interest entities. Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Consolidated VIEs Variable Interest Entity, Primary Beneficiary [Member] Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Investment, Proportional Amortization Method, Elected, Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Investment, Proportional Amortization Method, Elected, Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Investment, Proportional Amortization Method, Elected, Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Pre-Tax Gains or Losses Derivative Instruments, Gain (Loss) [Line Items] Accrued interest receivable on loans Financing Receivable, Accrued Interest, after Allowance for Credit Loss Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Loans held for sale, at fair value Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Telephone Telephone Expenses Telephone expenses Total liabilities and stockholders’ equity Liabilities and Equity Stock issued in connection with acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Servicing asset at amortized cost Servicing Asset at Amortized Cost [Table Text Block] Reclassification adjustments Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Debt Securities, Held-to-maturity, Credit Quality Indicator [Table] Debt Securities, Held-to-Maturity, Credit Quality Indicator [Table] Accounting Policies [Abstract] Operating lease liability maturity Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Forward commitments to sell TBA securities Forward Contracts [Member] Investments in variable interest entities Payments to Acquire Other Investments Proceeds from sales and calls of debt securities Proceeds From Sales And Calls Of Debt Securities, Available-For-Sale Proceeds From Sales And Calls Of Debt Securities, Available-For-Sale Term loans originated current fiscal year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Pay vs Performance Disclosure [Line Items] U.S. government and federal agency US Government Agencies Debt Securities [Member] Operating lease liabilities Lease liabilities Total present value of lease payments Operating Lease, Liability Accruing loans 90 days or more past due 90 Days or More Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Liabilities Liabilities Liabilities [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Rolling Year Five Mergers and Acquisitions Business Combination [Text Block] Total financial liabilities Financial Liabilities Fair Value Disclosure Amortization of ROU assets Finance Lease, Right-of-Use Asset, Amortization Variable Interest Entity [Table] Variable Interest Entity [Table] Term loans originated two years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Gross Charge-Offs, Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Cash Flow Hedge: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Total Comprehensive Income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Measurement Input Type [Axis] Measurement Input Type [Axis] Name Measure Name Minimum period past due to consider loans as delinquent Minimum Period Past Due To Consider Loans As Delinquent Minimum Period Past Due To Consider Loans As Delinquent Net increase (decrease) in deposits Increase (Decrease) in Deposits Maturities, prepayments and calls of available-for-sale debt securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Cumulative basis adjustments for fair value hedges Summary of Derivative Instruments by Hedge Designation [Abstract] Maturing one year through two years Lessee, Operating Lease, Liability, to be Paid, Rolling Year Two Summary of leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee Available-for-Sale Available-for-Sale Securities, Debt Maturities [Abstract] Total assets Assets Assets Credit Quality Indicators By Origination Financing Receivable, Credit Quality Indicator [Line Items] Allowance for credit losses Financing Receivable, Allowance for Credit Loss [Roll Forward] Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Nature of Operations and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Core deposit intangible, estimated life Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Financial Assets Assets, Fair Value Disclosure [Abstract] Due after one year through five years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost Variable Interest Entities Consolidated VIEs Variable Interest Entity [Line Items] Fair Value Total Debt Securities, Held-to-Maturity, Fair Value Other Borrowings Consolidation, Variable Interest Entity, Policy [Policy Text Block] Dividends declared per share (in dollars per share) Cash dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Right-of-use assets obtained in exchange for new lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Lease Expense Lease, Cost [Abstract] Total identifiable assets acquired Business Combination, Recognized Asset Acquired, Asset Level 2 Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Present value of lease payments Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Assets pledged as collateral Asset Pledged as Collateral [Member] Premises and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Fair value of assets acquired Noncash or Part Noncash Acquisition, Value of Assets Acquired PEO PEO [Member] 2025 Other Commitment, to be Paid, Remainder of Fiscal Year Amortized cost and fair value of securities by contractual maturity Investments Classified by Contractual Maturity Date [Table Text Block] Postage Postage Expense Due within one year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Other Real Estate Owned Financing Receivable, Held-for-Investment, Foreclosed Asset [Policy Text Block] Retained Earnings Retained Earnings [Member] Cash, cash equivalents at beginning of period Cash, cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Asset Derivative Derivative assets Derivative Asset 12 Months or More, Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Non-Recurring Measurements Non-Recurring Measurements Fair Value, Nonrecurring [Member] Net decrease in accrued interest payable Increase (Decrease) in Interest Payable, Net Financing Receivable, Modified [Table] Financing Receivable, Modified [Table] Provision for credit loss unfunded Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Available-for-sale Debt Securities, Available-for-Sale [Abstract] Purchases of non-marketable equity securities Payments to Acquire Federal Home Loan Bank Stock Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] Notional Amount Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Loans receivable, net of ACL Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans Receivable, Gross Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans Receivable, Gross Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Cash Flows [Extensible Enumeration] Investment Program, Proportional Amortization Method, Applied Income Tax Credit And Other Income Tax Benefit, Before Amortization Statement Of Cash Flows ExtensibleEnumerationNotDisclosedFlag Investment Program, Proportional Amortization Method, Applied Income Tax Credit And Other Income Tax Benefit, Before Amortization Statement Of Cash Flows ExtensibleEnumerationNotDisclosedFlag Revolving loans Financing Receivable, Excluding Accrued Interest, Revolving Preliminary fair value estimates Consideration transferred, identifiable net assets acquired and resulting goodwill Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] OREO secured by residential real estate Other Real Estate Subordinated debentures Interest Expense, Junior Subordinated Debentures City Area Code City Area Code Provision for credit losses and off-balance sheet exposures Summary of the activity in the ACL Financing Receivable, Allowance for Credit Loss [Table Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Moody's: Not Rated Moody's, Not Rated [Member] Not rated by the external credit rating agency, Moody's. Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Lease liabilities location Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Held-to-Maturity, Amortized Cost Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss, Rolling Maturity [Abstract] Accrued interest receivable Interest Receivable Due after ten years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years Total lease expense Lease, Cost Other liabilities Other Liabilities Goodwill Net carrying value at beginning of period Net carrying value at end of period Total identifiable net assets Goodwill Components of lease expense and supplemental cash flow information Lease, Cost [Table Text Block] Modified in period, amount Financing Receivable, Modified in Period, Amount Total before mortgage-backed securities Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value Loan Servicing Securities Sold Under Agreements to Repurchase Transfers and Servicing of Financial Assets [Text Block] 30-89 Days Past Due Nonperforming Financial Instruments 30-89 Days Past Due [Member] Category status of financial instruments in which payments are 30-89 days past due in accordance with the terms of the contract. Financial instruments include, but are not limited to, financing receivables, loans, debt, and investments. Supplemental Disclosure of Cash Flow Information Supplemental Cash Flow Information [Abstract] Accumulated impairment charge Goodwill, Impaired, Accumulated Impairment Loss Other Performance Measure, Amount Other Performance Measure, Amount Loans, fair value Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Fair Value Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Other real estate Real Estate [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Restricted cash Restricted Cash Financial liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Basic and Diluted Earnings Per Share Earnings Per Share Reconciliation [Abstract] Commercial real estate Commercial Real Estate Portfolio Segment [Member] Leases Lessee, Finance Leases [Text Block] S&P: Not Rated Standard & Poor's, Not Rated [Member] Not rated by the external credit rating agency, Standard & Poor's. Paid-in capital Additional Paid in Capital, Common Stock Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation 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] Cash paid during the period for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus General Basis of Accounting, Policy [Policy Text Block] Bank-Owned Life Insurance Bank-Owned Life Insurance Policy [Policy Text Block] Bank-Owned Life Insurance Policy Net ROU assets Operating Lease, Right-of-Use Asset Net purchase accounting discounts included in loans receivable Financing Receivable, Unamortized Purchase Premium (Discount) Schedule of Gain (Loss) on Securities [Table] Schedule of Gain (Loss) on Securities [Table] Selling costs Measurement Input, Cost to Sell [Member] Operating lease cost Operating Lease, Cost Thereafter Other Commitment, to be Paid, After Year Four Other Commitment, to be Paid, After Year Four Carrying Amount Reported Value Measurement [Member] Acquisition related costs Business Combination, Acquisition-Related Cost, Expense Equity [Abstract] Equity [Abstract] Acquisitions Financing Receivable, Excluding Accrued Interest, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date Interest receivable, held-to-maturity debt securities Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss Building Building [Member] Qualified Affordable Housing Project Investments Qualified Affordable Housing Project Investments [Member] Qualified Affordable Housing Project Investments [Member] Derivatives and Hedging Activities Derivatives, Policy [Policy Text Block] 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] Bank of Idaho Bank of Idaho [Member] Bank of Idaho Other Commitments Other Commitments [Line Items] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Data processing Information Technology and Data Processing Doubtful/ Loss Doubtful [Member] Future unfunded contingent commitments Other Commitments [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Held-to-Maturity, Fair Value Debt Securities, Held-to-Maturity, Fair Value, Rolling Maturity [Abstract] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Weighted Average Range Weighted Average [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Net deferred origination fees included in loans receivable Financing Receivable, Unamortized Loan Cost (Fee) Lessee Leases Lessee, Leases [Policy Text Block] Intangibles amortization Amortization of core deposit and other intangibles Amortization of Intangible Assets Carrying value of repurchase agreements Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table Text Block] Deferred tax asset, net Deferred Income Tax Assets, Net Activity within accumulated other comprehensive income, net of tax Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Due after ten years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Residential mortgage-backed securities Residential Mortgage-Backed Securities [Member] Finance lease liabilities Lease liabilities Total present value of lease payments Finance Lease, Liability Arrangement Duration Trading Arrangement Duration Net income (loss) Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Interest reversed on non-accrual loans Financing Receivable, Accrued Interest, Writeoff Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Allowance for credit loss, off-balance sheet credit exposure Off-Balance-Sheet, Credit Loss, Liability Maturing three years through four years Finance Lease, Liability, to be Paid, Rolling Year Four Assets Assets Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Other Commitments [Axis] Other Commitments [Axis] Due after one year through five years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Fair Value of Assets and Liabilities Fair Value Disclosures [Text Block] Business Combination Business Combination [Line Items] Stockholders’ Equity Equity, Attributable to Parent [Abstract] Summary of loan modifications Financing Receivable, Modified [Table Text Block] Proceeds from redemption of non-marketable equity securities Proceeds from Sale of Federal Home Loan Bank Stock Fair value hedge relationships on the income statement Effect of Fair Value Hedges on Results of Operations [Abstract] Total debt securities Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value Accruing loans 30-59 days past due Financial Asset, 30 to 59 Days Past Due [Member] Long-term Operating Lease, Liability, Noncurrent Maturing two years through three years Lessee, Operating Lease, Liability, to be Paid, Rolling Year Three Gross amounts of recognized assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Gross realized losses Held-to-Maturity Securities, Sold Security, Realized Loss This item represents the loss realized on the sale of held-to-maturity securities disposed of during the period. Additionally, this item may include, if not separately presented, any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt securities which are being or have been recognized in earnings during the period. Modified, commitment to lend Financing Receivable, Modified, Commitment to Lend Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Municipal Bonds Municipal Bonds [Member] Maturing within one year Lessee, Operating Lease, Liability, to be Paid, Next Rolling 12 Months Debt securities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Marketable Securities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Debt Securities Other borrowed funds Interest Expense, Other Depreciation and amortization Depreciation, Nonproduction Impairment losses on receivables related to contracts with customers Capitalized Contract Cost, Accumulated Impairment Total assets measured at fair value on a recurring basis Assets, Fair Value Disclosure Provision for credit losses Provision for credit losses Total provision for credit losses Provision for Loan, Lease, and Other Losses Acquisitions Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) [Abstract] Number of Securities Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Past due Financial Asset, Past Due [Member] ROU assets Finance Lease, Right-of-Use Asset, before Accumulated Amortization Number of operating segments Number of Operating Segments Fair value of servicing rights Servicing Asset at Fair Value, Amount Net amortization of debt securities Accretion (Amortization) of Discounts and Premiums, Investments Interest rate expense recorded on interest rate swap Derivative, Cost of Hedge Restatement Determination Date: Restatement Determination Date [Axis] Accumulated Other Comprehensive Income [Table] Accumulated Other Comprehensive Income (Loss) [Table] Due after five years through ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Amortized Cost Liabilities assumed Business Combination, Recognized Liability Assumed, Liability [Abstract] Origination of loans held for sale Payment for Origination and Purchase, Loan, Held-for-Sale Name Trading Arrangement, Individual Name Loans held for sale, at fair value Loan, Held-for-Sale, Fair Value Disclosure Other Expenses Other Operating Income and Expense [Text Block] Business development Business Development Notional and estimated fair value amount of derivative positions Notional Disclosures [Abstract] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Business Combination, Consideration Transferred, Equity Interest Business Combination, Consideration Transferred, Equity Interest Name Awards Close in Time to MNPI Disclosures, Individual Name Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Available-for-Sale, Fair Value Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract] Tax effect OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Finance lease liability maturity Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Investment Program, Proportional Amortization Method, Applied, Income Tax Credit And Other Tax Benefit Amortization, Statement Of Income Or Comprehensive Income ExtensibleEnumeration NotDisclosedFlag Investment Program, Proportional Amortization Method, Applied, Income Tax Credit And Other Tax Benefit Amortization, Statement Of Income Or Comprehensive Income ExtensibleEnumeration NotDisclosedFlag Investment Program, Proportional Amortization Method, Applied, Income Tax Credit And Other Tax Benefit Amortization, Statement Of Income Or Comprehensive Income ExtensibleEnumeration NotDisclosedFlag Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Debt Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Statement of Financial Position Location, Balance [Domain] Statement of Financial Position Location, Balance [Domain] (Losses) Gains on Available-For-Sale and Transferred Debt Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Interest Expense Interest Expense, Operating and Nonoperating [Abstract] Revenue Recognition Revenue [Policy Text Block] Purchases of available-for-sale debt securities Payments to Acquire Debt Securities, Available-for-Sale Preferred shares, $0.01 par value per share, 1,000,000 shares authorized, none issued or outstanding Preferred Stock, Value, Issued State and local governments US States and Political Subdivisions Debt Securities [Member] Service charges and other fees Service Charges And Other Fees Service Charges and Other Fees on Deposit Accounts. Accrued interest payable Interest Payable Subordinated debentures Subordinated Debt Term loans originated fiscal year before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Total liabilities assumed Business Combination, Recognized Liability Assumed, Liability Servicing Asset at Amortized Cost, Balance [Roll Forward] Servicing Asset at Amortized Cost, Balance [Roll Forward] Financing Receivables, Period Past Due [Axis] Financial Asset, Aging [Axis] All Executive Categories All Executive Categories [Member] Moody's: A1, A2, A3 Moody's, A1, A2 or A3 Ratings [Member] A1, A2 or A3 credit ratings as defined by the external credit rating agency, Moody's. Net ROU assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization Business assets Business Assets [Member] Business Assets Residential real estate loans Interest and Fee Income, Loans, Consumer, Real Estate Mergers and acquisition expenses Business Combination, Integration-Related Cost, Expense Home equity Home Equity Portfolio Segment [Member] Portfolio segment of the company's total financing receivables related to home equity loans. Repurchase agreements and other borrowed funds Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure Commitments and Contingent Liabilities Commitments and Contingencies Gross Charge-Offs, originated current fiscal year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Net cash received from acquisitions Cash Acquired from Acquisition Core deposit intangible Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Business Combination [Axis] Business Combination [Axis] Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] Interest income on investment securities Interest Income [Member] Period past due to consider loan as delinquent Period Past Due to Consider Loans as Delinquent Period Past Due to Consider Loans as Delinquent Consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process Mortgage Loans in Process of Foreclosure, Amount PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Accruing loans 60-89 days past due Financial Asset, 60 to 89 Days Past Due [Member] Amount of gain reclassified from OCI to interest expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Derivative Contract [Domain] Derivative Contract [Domain] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Gross realized losses Debt Securities, Available-for-Sale, Realized Loss All Individuals All Individuals [Member] Residential real estate Residential Real Estate [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Net additions to premises and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name 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] Term Extension and Payment Deferral Payment Deferral And Extended Maturity [Member] Payment Deferral And Extended Maturity Non-accrual loans with no ACL Financing Receivable, Nonaccrual, No Allowance Federal Home Loan Bank advances Interest Expense Federal Home Loan Bank Advance Interest expense federal home loan bank advance. Derivative, basis spread on variable rate Derivative, Basis Spread on Variable Rate Gross Charge-Offs, originated four years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Debt Securities, Held-to-maturity [Table] Debt Securities, Held-to-Maturity [Table] Summary of derivative instruments Schedule of Derivative Instruments [Table Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Other borrowed funds Other Borrowings Other commercial Commercial Portfolio Segment [Member] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Net interest income and non-interest income Business Combination, Pro Forma Information, Pro Forma Revenue Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Provision for credit loss loans Provision for credit losses Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits Amount of deposits assumed at the acquisition date Due within one year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table] Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Derivative, cap interest rate Derivative, Cap Interest Rate Securities sold under agreements to repurchase Interest Expense, Securities Sold under Agreements to Repurchase Gross Charge-Offs, originated two years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Gain (loss) on fair value hedges recognized in earnings Gain (Loss) on Fair Value Hedges Recognized in Earnings Thereafter Finance Lease, Liability, to be Paid, after Rolling Year Five Non-accrual loans with ACL Financing Receivable Nonaccrual With Allowance Amount of financing receivable on nonaccrual status with allowance for credit loss. Financing Receivable, Repayment through Operation or Sale of Collateral [Table] Financing Receivable, Repayment through Operation or Sale of Collateral [Table] Disclosure of information about Financing Receivable, Repayment through Operation or Sale of Collateral. Financing Receivable, Allowance for Credit Losses [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Award Timing Disclosures [Line Items] Proceeds from sales and calls of debt securities and the associated gains and losses Gain (Loss) on Securities [Table Text Block] Fair Value, Measurement Frequency [Domain] Measurement Frequency [Domain] Assets with a recorded change resulting from re-measuring at fair value on a non-recurring basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Amortization Servicing Asset at Amortized Cost, Amortization Net increase in securities sold under agreements to repurchase Proceeds from (Payments for) in Securities Sold under Agreements to Repurchase Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Gross Unrealized Gains Securities, Gross Unrealized Gain Accumulated In Investments Amount of accumulated unrealized gain before deducting unrealized loss on investments in available-for-sale and held-to-maturity securities impacting investments. Loans receivable, net Loans receivable, net Loans receivable Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Proceeds from loans held for sale Proceeds from Sale, Loan, Mortgage, Held-for-Sale Net Income Net Income Net income Net Income (Loss) Attributable to Parent Operating Leases Operating Lease, Liability [Abstract] Lease income Operating Lease, Lease Income, Lease Payments Preferred shares, authorized (in shares) Preferred Stock, Shares Authorized Adoption Date Trading Arrangement Adoption Date Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Hedged Asset, Statement of Financial Position [Extensible Enumeration] Hedged Asset, Statement of Financial Position [Extensible Enumeration] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Retained earnings Retained Earnings (Accumulated Deficit) Residential real estate Residential Portfolio Segment [Member] 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] Held-to-maturity Debt Securities, Held-to-Maturity, Sale or Transfer of Investment [Abstract] Purchases of held-to-maturity debt securities Payments to Acquire Held-to-Maturity Securities Bank-owned life insurance income, net Life Insurance, Corporate or Bank Owned, Change in Value (Losses) Gains on Derivatives Used for Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Credit quality indicators for RRE and consumer loans Financing Receivable Credit Quality Indicators 2 [Table Text Block] Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. 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] Statement [Table] Statement [Table] 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 [Abstract] Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] External Credit Rating, Moody's [Domain] External Credit Rating, Moody's [Domain] S&P: AA+, AA, AA- Standard & Poor's, AA+, AA or AA- Ratings [Member] AA+, AA or AA- credit ratings as defined by the external credit rating agency, Standard & Poor's. Long-term Finance Lease, Liability, Noncurrent Lessor Leases Lessor, Leases [Policy Text Block] Mortgage-backed securities Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, without Single Maturity Date Due after one year through five years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling after One through Five Years All Adjustments to Compensation All Adjustments to Compensation [Member] Cost approach Valuation, Cost Approach [Member] Interest Rate Reduction Contractual Interest Rate Reduction [Member] Total before mortgage-backed securities Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value Amendment Flag Amendment Flag Interest receivable, available-for-sale debt securities Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Fair Value Debt Securities, Fair Value Fair value of investments in debt securities classified as available-for sale and held-to-maturity. Transfers and Servicing [Abstract] Transfers and Servicing [Abstract] Loans receivable acquired, gross principal and contractual interest due Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Gross Contractual Amount Termination Date Trading Arrangement Termination Date Interest bearing cash deposits Interest-Bearing Deposits in Banks and Other Financial Institutions Cash consideration Cash Consideration For Outstanding Shares Cash Consideration For Outstanding Shares Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Allowance for credit losses Balance at beginning of period Balance at end of period Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Subordinated debentures Subordinated Debt Obligations, Fair Value Disclosure Operating Leases, Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table] Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table] Net interest income and non-interest income Business Combination, Acquiree's Revenue since Acquisition Date, Actual Average outstanding shares - basic (in shares) Weighted Average Number of Shares Outstanding, Basic VIE amortization and other expenses VIE Write-Downs, Losses And Other Expenses Write-downs, Losses and Other Expenses related to Variable Interest Entities. Basic and diluted earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] PCD loans acquired, allowance for credit loss Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date Available-For-Sale and Transferred Securities: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Unrealized gains on available-for-sale securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Maturing within one year Finance Lease, Liability, to be Paid, Next Rolling 12 Months Use of Estimates Use of Estimates, Policy [Policy Text Block] Financial Instruments Owned and Pledged as Collateral [Table] Financial Instruments Owned and Pledged as Collateral [Table] Finance Leases, Operating cash flows Finance Lease, Interest Payment on Liability Occupancy and equipment Occupancy, Net Derivative asset, fair value, gross liability Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Insider Trading Arrangements [Line Items] Term loans originated five years before current fiscal year Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Current loans receivable Current Financial Asset, Not Past Due [Member] Moody's: Aa1, Aa2, Aa3 Moody's, Aa1, Aa2 or Aa3 Ratings [Member] Aa1, Aa2 or Aa3 credit rating as defined by the external credit rating agency, Moody's. ACL on available-for-sale debt securities Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Total liabilities Liabilities Regulatory assessments and insurance General Insurance And Federal Deposit Insurance Corporation Premium Expense The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production, including the amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance. Interest rate locks Interest Rate Lock Commitments [Member] Total before mortgage-backed securities Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost % of Total Class Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage Common stock, $0.01 par value per share, 234,000,000 shares authorized at June 30, 2025 and December 31, 2024, respectively Common Stock, Value, Outstanding Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Tax credit period Tax Credit Period The period in which an investor receives tax credits from a tax credit project. Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Other real estate owned and foreclosed assets Other Real Estate, Foreclosed Assets, and Repossessed Assets Maturities, prepayments and calls of held-to-maturity debt securities Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Debt securities, held to maturity Amortized Cost Total municipal bonds held-to-maturity Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration]