Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Trading Arrangement:
Trading Arrangement [Axis]
Maximum
Maximum [Member]
Subordinated notes, net of unamortized issuance costs
Subordinated Debt
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
ESPP
Employee Stock Purchase Plan [Member]
Employee Stock Purchase Plan
Federal
Income Tax Jurisdiction, Domestic Federal [Member]
Short-Term Debt, Type [Axis]
Short-Term Debt, Type [Axis]
Title of 12(b) Security
Title of 12(b) Security
Carrying Amount
Reported Value Measurement [Member]
Debt Securities, Available-for-Sale [Table]
Debt Securities, Available-for-Sale [Table]
Subsequent Event
Subsequent Event [Member]
Weighted average rate for securities sold under agreements to repurchase
Debt, weighted average interest rate (as a percent)
Debt, Weighted Average Interest Rate
Schedule of Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis
Fair Value Measurements, Nonrecurring [Table Text Block]
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Actual
Banking Regulation, Total Risk-Based Capital Ratio, Actual
Pledged Status [Axis]
Pledged Status [Axis]
Financial Instrument [Axis]
Financial Instrument [Axis]
Debt securities available for sale, sold
Debt Securities, Available-for-Sale, Sold at Par Value
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Issuance of treasury stock for the ESPP
Proceeds from Issuance of Treasury Stock for Employee Stock Purchase Program
The cash inflow from the issuance of an equity stock for employee stock purchase program that has been previously reacquired by the entity.
Schedule of Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Interest-bearing transaction deposits
Interest Bearing Transaction Deposits
The aggregate amount of all domestic and foreign interest-bearing transaction deposits liabilities held by the entity.
Net amortization (accretion) on portfolio loans
Amortization of Deferred Loan Origination Fees, Net
2027
Finance Lease, Liability, to be Paid, Year One
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Mortgage servicing rights
Servicing Asset at Fair Value, Amount
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Financial Asset Acquired with Credit Deterioration
Financial Asset Acquired with Credit Deterioration [Member]
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Busey Awards
Busey Awards [Member]
Busey Awards
Thereafter
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Asset-backed securities
Asset-backed securities
Asset-Backed Securities [Member]
Premises and equipment
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment
Minimum Capital Requirement
Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum
Watch
Watch
Represents the grade which includes loans on management's watch list and that is intended to be utilized on a temporary basis for a pass grade borrower where a significant risk-modifying action is anticipated in the near future.
Substandard non-accrual
Doubtful [Member]
DEPOSITS
Deposit Liabilities Disclosures [Text Block]
Debt securities held to maturity
Debt Securities, Held-to-Maturity, Maturity [Abstract]
Combination—Payment Deferral and Term Extension
Payment Deferral And Extended Maturity [Member]
Payment Deferral And Extended Maturity
Leases [Abstract]
Leases [Abstract]
Dividend equivalents on RSUs/PSUs/DSUs
Stock Issued During Period, Value, Dividend Equivalent
Stock Issued During Period, Value, Dividend Equivalent
Business Combination, Contingent Consideration [Table]
Business Combination, Contingent Consideration [Table]
Schedule of Regulatory Capital Requirements Applicable to Busey and Busey Bank
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]
Actual
Banking Regulation, Tier 1 Risk-Based Capital, Actual
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Prior, charge-off
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff
Total
Gross unrealized or unrecognized losses on debt securities
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss
Unrealized Losses
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
Debt securities available for sale
Available-for-Sale Securities, Debt Maturities [Abstract]
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Bank property held for sale with impairment
Bank property held for sale with impairment
Bank Property Held for Sale, Fair Value Disclosure
The fair value of bank property held for sale.
Other intangible assets, net
Intangible Asset, Excluding Goodwill, after Accumulated Amortization
Non-vested at beginning of period (in shares)
Non-vested at end of period (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Nature of Operations
Nature of Operations [Policy Text Block]
Disclosure of accounting policy for nature of operations.
Schedule of Loan Modifications for Borrowers Experiencing Financial Difficulty
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]
Aggregate amount of time deposits with a minimum denomination of $100,000
Time Deposits, $100,000 or More
Net amortization (accretion) of premium (discount) on investment securities
Accretion (Amortization) of Discounts and Premiums, Investments
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Unrecognized Losses
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Real estate construction
Real estate construction
Construction Loans [Member]
Number of reportable segments
Number of Reportable Segments
Deposits
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deposits
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deposits
Schedule of Notional Amount and Fair Value of Risk Participation Agreement
Schedule of Derivative Instruments [Table Text Block]
Short-Term Debt, Type [Domain]
Short-Term Debt, Type [Domain]
Amortized Cost
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss
Subsequent Events
Subsequent Events, Policy [Policy Text Block]
Unrealized losses expected to be reclassified from OCI to interest income
Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months
Lease costs
Lease, Cost [Abstract]
Entity Address, City or Town
Entity Address, City or Town
Fair Value
Derivative, Fair Value, Net
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Exercisable at end of year (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non Options, Exercisable, Number
Share-Based Compensation Arrangement by Share-Based Payment Award, Non Options, Exercisable, Number
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]
Class of Financing Receivable [Domain]
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Income tax credits and other tax benefits
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit
2028
Time Deposit Maturities, Year Two
2026, charge-off
2025, charge-off
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Level 2 Inputs
Fair Value, Inputs, Level 2 [Member]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
2029
Lessor, Operating Lease, Payment to be Received, Year Three
90+ Days
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]
Proceeds from sales of mortgage loans
Proceeds from Sale, Loan, Mortgage, Held-for-Sale
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Net change in unrealized gains (losses) on cash flow hedges
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Furniture and equipment expenses
Equipment Expense
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Weighted average variable pay rates
Derivative, Average Variable Interest Rate
Schedule of Information Relating to Operating Segments
Segment Reporting [Table Text Block]
Assumed in business combinations
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Assumed In Acquisition
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Assumed In Acquisition
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Cash paid for premiums on bank-owned life insurance
Payment to Acquire Life Insurance Policy, Investing Activities
Impairment of fixed assets held for sale
Impairment of Long-Lived Assets to be Disposed of
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table]
Banking Regulation, Regulatory Capital Requirement, Compliance [Table]
OCI
OCI, net of tax
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Schedule of Future Undiscounted Lease Payments
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Non-cash investing and financing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Portfolio loans, allowance for credit losses
ACL
ACL beginning balance
ACL ending balance
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest
Document Period End Date
Document Period End Date
Preferred shares outstanding (in shares)
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Principal balance
Debt Instrument, Face Amount
2028
Lessee, Operating Lease, Liability, to be Paid, Year Two
Investments, All Other Investments [Abstract]
Gross losses on debt securities
Debt Securities, Available-for-Sale, Realized Loss
Tax effect
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
Position [Axis]
Position [Axis]
Forward Starting SOFR Loan Swap
6 Month Forward Starting SOFR Loan Swap [Member]
6 Month Forward Starting SOFR Loan Swap
LEASES
Lessor, Operating Leases [Text Block]
Securities sold under agreements to repurchase
Securities sold under agreements to repurchase
Securities Sold under Agreements to Repurchase
Lessee, Lease, Description [Line Items]
Lessee, Lease, Description [Line Items]
FirsTech
FirsTech
This member stands for FirsTech.
Finance leases
Finance Lease, Weighted Average Remaining Lease Term
AOCI
Accumulated Other Comprehensive Income (Loss), Net of Tax
Entity Shell Company
Entity Shell Company
Consolidation Items [Domain]
Consolidation Items [Domain]
% of total class of financing receivable
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]
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
EARNINGS PER COMMON SHARE
Earnings Per Share [Text Block]
Earnings Per Share [Abstract]
Earnings Per Share [Abstract]
Document Fiscal Period Focus
Document Fiscal Period Focus
Net issuance of treasury stock for stock-based compensation plans (in shares)
Stock Issued During Period, Shares, Stock Based Compensation Plans, Net
Stock Issued During Period, Shares, Stock Based Compensation Plans, Net
Rental income
Lease Income
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Exercised (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised
Total liabilities
Liabilities
Trading Symbol
Trading Symbol
Weighted Average Interest Rate Reduction
Financing Receivable, Modified, Weighted-Average Interest Rate Decrease from Modification
Debt securities available for sale
Fair Value
Fair Value
Debt Securities, Available-for-Sale, Excluding Accrued Interest
Purchases of premises and equipment
Payments to Acquire Property, Plant, and Equipment
Schedule of the Interest-Rate Swaps Designated as Cash Flow Hedges
Schedule of Interest Rate Derivatives [Table Text Block]
Right of use assets obtained in exchange for operating lease liabilities
Right-Of-Use Asset Obtained In Exchange For Operating Lease Liability, Net
Right-Of-Use Asset Obtained In Exchange For Operating Lease Liability, Net
Fair value adjustments
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred
Schedule of Unamortized Stock-Based Compensation Expense
Share-Based Payment Arrangement, Nonvested Award, Cost [Table Text Block]
Transfer of loans held for sale to portfolio loans
Loan, Transfer from Held-for-Sale to Held-in-Portfolio
Depositary Shares, each representing a 1/40th interest in a share of 8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock, $0.001 par value
Depositary Shares, each representing a 1/40th interest in a share of 8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock, $0.001 par value [Member]
Depositary Shares, each representing a 1/40th interest in a share of 8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock, $0.001 par value
Schedule of Estimated Acquisition-Date Fair Values of the Assets Acquired and Liabilities Assumed
Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]
Company Selected Measure Name
Company Selected Measure Name
Purchases of debt securities available for sale
Payments to Acquire Debt Securities, Available-for-Sale
Schedule of Restricted Cash Included within Cash and Cash Equivalents
Restrictions on Cash and Cash Equivalents [Table Text Block]
Deposits
Interest Expense, Deposits
Purchases of interest-bearing time deposits in other banks
Purchases of Interest Bearing Time Deposits In Other Banks
Purchases of Interest Bearing Time Deposits In Other Banks
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
Obligations of U.S. government corporations and agencies
Obligations of U.S. government corporations and agencies
US Government Corporations and Agencies Securities [Member]
Customer assets held in trust
Customer Assets Held in Trust
Assets under care held for customers, that are not included in the Company's consolidated financial statements.
2026
2025
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year
Cash flows provided by (used in) operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Non-Accrual Loans
Financing Receivable, Nonaccrual
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
2028
Finance Lease, Liability, to be Paid, Year Two
Net assets acquired
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)
Actual
Banking Regulation, Tier 1 Leverage Capital, Actual
2030
Finance Lease, Liability, to be Paid, Year Four
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified [Line Items]
Commitments to extend credit
Commitments to Extend Credit [Member]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Total
Available for Sale and Held to Maturity, Debt Securities in Unrealized Loss Position [Abstract]
N/A
Dilutive effect of outstanding equity-based awards (in shares)
Weighted Average Number of Shares Outstanding, Diluted, Adjustment
Total
Gross unrealized or unrecognized losses on debt securities
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss
Less: Amounts representing interest
Finance Lease, Liability, Undiscounted Excess Amount
Fair Value
Fair Value Measurements, Nonrecurring Value Measurement [Abstract]
Commitment to lend
Financing Receivable, Modified, Commitment to Lend
Proceeds from the redemption of restricted bank stock
Proceeds From Redemption Of Federal Home Loan Bank And Federal Reserve Bank Stock
Proceeds From Redemption Of Federal Home Loan Bank And Federal Reserve Bank Stock
Balances carried in AOCI
Balances carried in AOCI [Abstract]
na
Operating cash flows from operating leases
Operating Lease, Payments
Award Timing Predetermined
Award Timing Predetermined [Flag]
Interest income
Interest and Dividend Income, Operating [Abstract]
Losses reclassified from OCI to interest income, net of tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification to Interest Income, before Tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification to Interest Income, after Tax
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Adjustment to the initial provision for unfunded commitments
Business Combination, Acquisition-Related Cost, Expense, Adjustment
Business Combination, Acquisition-Related Cost, Expense, Adjustment
Stock-based compensation expense
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Level 1 Inputs
Fair Value, Inputs, Level 1 [Member]
Due after ten years
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value
Other service charges on deposit accounts
Other Service Charges On Deposit Accounts [Member]
Other Service Charges On Deposit Accounts
(Gain) loss on sales of debt securities, net
Gain (Loss) on Sale of Investments
Fair Value Measurements
Fair Value of Financial Instruments, Policy [Policy Text Block]
Debt securities available for sale
Debt Securities, Available-for-Sale [Abstract]
Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table]
Class of Financing Receivable [Axis]
Class of Financing Receivable [Axis]
Residential mortgage-backed securities
Residential mortgage-backed securities
Residential Mortgage-Backed Securities [Member]
Proceeds from maturities of interest-bearing time deposits in other banks
Proceeds From Maturities Of Interest Bearing Time Deposits In Other Banks
Proceeds From Maturities Of Interest Bearing Time Deposits In Other Banks
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Long-term borrowings and subordinated notes, net of unamortized issuance costs
Long-Term Debt, Fair Value
Plan Name [Domain]
Plan Name [Domain]
Fair value of PCD financial assets
Business Combination, Recognized Asset Acquired, Financial Asset
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Operating leases
Operating Lease, Right-of-Use Asset
Debt, weighted average maturity period
Debt, weighted average maturity period
Debt, Weighted Average Maturity Period
Debt, Weighted Average Maturity Period
Operating lease costs:
Operating Lease, Liability [Abstract]
Derivative liability, statement of financial position [Extensible Enumeration]
Derivative Liability, Statement of Financial Position [Extensible Enumeration]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Schedule of Contractual Amount of Exposure to Off-Balance-Sheet Risk
Schedule Of Contractual Amount Of Exposure To Off Balance Sheet Risk [Table Text Block]
Tabular disclosure of contractual amount of exposure to off-balance-sheet risk, wherein exposure to credit loss is represented by the contractual amount of those commitments.
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
DEBT SECURITIES
Investment in Debt and Equity Securities and Other Trading Assets [Text Block]
Rents to be received
Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract]
Expiration Date
Trading Arrangement Expiration Date
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Unrecognized gross gains
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain
Total restricted cash and cash equivalents
Restricted Cash and Cash Equivalent
Cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Day 1 PCD
Financing Receivable, Excluding Accrued Interest, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date
Subordinated Debt
Subordinated Debt [Member]
Exercisable at end of year (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number
Lease liabilities:
Lease Liabilities [Abstract]
Lease Liabilities
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Sold
Risk Participation Agreement Sold [Member]
Risk Participation Agreement Sold
Derivative [Table]
Derivative [Table]
Thereafter
Lessor, Operating Lease, Payment to be Received, after Year Five
Interest-bearing
Interest-Bearing Deposit Liabilities
CRE and Retail real estate
CRE & Retail real estate
Real Estate Loan [Member]
Cash flows provided by (used in) investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Interchange expense
Interchange Expense
Amount of interchange expenses incurred during the period.
Net income
Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax
Unamortized stock-based compensation
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Derivative assets not designated as hedging instruments
Mortgage banking derivative assets
Derivative Asset [Abstract]
2027
Lessor, Operating Lease, Payment to be Received, Year One
Segments [Domain]
Segments [Domain]
Cash pledged to secure obligations under derivative contracts
Interest Rate Swap
Interest Rate Swap [Member]
BORROWINGS
Debt Disclosure [Text Block]
Unamortized debt issuance costs
Debt Issuance Costs, Net
Business Combination [Table]
Business Combination [Table]
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
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]
Finance leases
Finance Lease, Weighted Average Discount Rate, Percent
Interest rate
Debt Instrument, Interest Rate, Stated Percentage
Count of debt securities
Total Count Of Debt Securities, Available For Sale Securities
Total count of available for sale debt securities.
Cash dividends on common stock
Dividends, Common Stock, Cash
Total stockholders’ equity
Beginning balance
Ending balance
Equity, Attributable to Parent
Minimum Capital Requirement
Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum
Unfunded investment obligations
Unfunded investments
Represents unfunded investments.
Other liabilities
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Liabilities
Amount of other liabilities assumed at the acquisition date.
Assets
Assets [Abstract]
Payment Deferral
Payment Deferral [Member]
(Gain) loss on life insurance proceeds
Gain Loss on Life Insurance Proceeds
Amount of gain (loss) recognized in settlement of life insurance.
Fair Value, Nonrecurring
Fair Value, Nonrecurring [Member]
Professional fees
Professional Fees
Insider Trading Policies and Procedures [Line Items]
Schedule of Changes in Busey’s Outstanding Equity Awards
Schedule of Nonvested Share Activity [Table Text Block]
PSU Awards
Performance Shares [Member]
Financing Receivable Portfolio Segment [Domain]
Financing Receivable Portfolio Segment [Domain]
Anti-dilutive equity-based awards (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Number of operating segments
Number of Operating Segments
Entity Central Index Key
Entity Central Index Key
Total, gross write-offs
Financing Receivable, Excluding Accrued Interest, Before Allowance for Credit Loss, Writeoff
Financing Receivable, Excluding Accrued Interest, Before Allowance for Credit Loss, Writeoff
Net interest income after provision for credit losses
Interest Income (Expense), after Provision for Loan Loss
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]
Common Equity Tier 1 Capital to Risk Weighted Assets, Ratio
Common Equity Risk Based Ratios [Abstract]
No definition available.
Unrealized (gains) losses recognized on equity securities, net
Increase (Decrease) in Equity Securities, FV-NI
Unrecognized Gains (Losses) on Debt Securities Held to Maturity
AOCI, Accumulated Gain (Loss), Debt Securities, Held-To-Maturity, Parent [Member]
AOCI, Accumulated Gain (Loss), Debt Securities, Held-To-Maturity, Parent
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Investment, Name [Axis]
Investment, Name [Axis]
Designated as Hedging Instrument
Designated as Hedging Instrument [Member]
Short-term borrowings, mature period
Federal Funds Maturity Period
Period of time between issuance and maturity of federal funds, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Preferred stock, dividend rate
Preferred Stock, Dividend Rate, Percentage
Financing Receivable, Troubled Debt Restructuring [Table]
Financing Receivable, Modified [Table]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Floating interest rate margin (as a percent)
Debt Instrument, Basis Spread on Variable Rate
Income tax examination, number of lawsuits filed
Income Tax Examination, Number Of Lawsuits Filed
Income Tax Examination, Number Of Lawsuits Filed
Non-Accrual Loans with No Allowance for Credit Losses
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance
Restricted cash subject to call by the Federal Reserve Bank
Restricted Cash Subject To Call By The Federal Reserve Bank [Member]
Restricted Cash Subject To Call By The Federal Reserve Bank
Total undiscounted cash flows
Finance Lease, Liability, to be Paid
AOCI
Total
AOCI Attributable to Parent [Member]
Minimum To Be Well Capitalized
Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum
All Individuals
All Individuals [Member]
Number directors on board
Number Of Directors On Board
Number Of Directors On Board
Cash dividends paid
Payments of Dividends
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Weighted average period over which expense is to be recognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Realized net gains (losses) on securities
Debt and Equity Securities, Realized Gain (Loss)
Common stock, preferred stock and replacement awards
Business Combination, Consideration Transferred, Equity Interest
Statement [Line Items]
Statement [Line Items]
Total assets
Total assets
Total assets
Assets
Operating Leases
Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
Term Extension
Extended Maturity [Member]
Total interest expense
Interest expense
Interest Expense, Operating
Internal Credit Assessment [Domain]
Internal Credit Assessment [Domain]
OREO and other repossessed assets with subsequent impairment
Real Estate Acquired in Satisfaction of Debt [Member]
Operating Segments
Operating Segments [Member]
Reclassification adjustment for realized (gains) losses on debt securities available for sale included in net income
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
Unrealized gross gains
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Total liabilities assumed
Business Combination, Recognized Liability Assumed, Liability
STOCK-BASED COMPENSATION
Share-Based Payment Arrangement [Text Block]
Loans evaluated individually, net of related allowance
Financing Receivable, Measurement Input
Financing Receivable, Measurement Input
Unrealized holding gains (losses), net
OCI, before Reclassifications, Net of Tax, Attributable to Parent
Net occupancy expense of premises
Occupancy, Net
PEO
PEO [Member]
Beginning balance (in shares)
Ending balance (in shares)
Shares, Outstanding
Noninterest-bearing
Noninterest-bearing demand deposits
Noninterest-Bearing Deposit Liabilities
Long-term borrowings
Interest Expense, Other Long-Term Debt
Goodwill
Goodwill
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Count of debt securities in an unrealized or unrecognized loss position
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions
Risk participation agreements
Risk Participation Agreements [Member]
Risk Participation Agreements
Available for Sale
Available for Sale, Debt Securities in Unrealized Loss Position [Abstract]
N/A
Thereafter
Finance Lease, Liability, to be Paid, after Year Five
DSU Awards
Deferred Stock Units [Member]
Deferred Stock Units
Other
Corporate Reconciling Items And Eliminations [Member]
Corporate Reconciling Items And Eliminations
Retained Earnings
Retained Earnings [Member]
Revolving Credit Facility
Revolving Credit Facility [Member]
Net deferred loan origination costs
Financing Receivable, Unamortized Loan Cost (Fee)
Increase (decrease) in shareholders' equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock outstanding (in shares)
Common Stock, Shares, Outstanding
Award Timing Disclosures [Line Items]
Schedule of Estimated Fair Values of Financial Instruments
Fair Value, by Balance Sheet Grouping [Table Text Block]
Financing Receivable, Past Due [Line Items]
Financing Receivable, Past Due [Line Items]
Corporate debt securities
Corporate debt securities
Corporate Debt Securities [Member]
Diluted earnings per common share (in dollars per share)
Earnings Per Share, Diluted
Brokered savings deposits and money market deposits
Brokered Saving Deposits And Money Market Deposits
Represents the amount of brokered saving deposits and money market deposits.
Internal Credit Assessment [Axis]
Internal Credit Assessment [Axis]
FDIC insurance
Federal Deposit Insurance Corporation Premium Expense
Provision for credit losses
Financing Receivable, Credit Loss, Expense (Reversal)
Preferred stock, value, outstanding
Preferred Stock, Value, Outstanding
Amortization of intangible assets
Amortization of intangible assets
Intangible Asset, Finite-Lived, Amortization Expense
Wealth management fees
Asset Management [Member]
2023
2022
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year
Total assets acquired
Business Combination, Recognized Asset Acquired, Asset
Share-based Payment Arrangement [Abstract]
Share-Based Payment Arrangement [Abstract]
Minimum Capital Requirement
Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum
FHLB
Assets Pledged As Collateral, Federal Home Loan Bank [Member]
Assets Pledged As Collateral, Federal Home Loan Bank
Schedule of Financial Instruments Owned and Pledged as Collateral
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]
Schedule of Investments
Equity Method Investments [Table Text Block]
Financial assets
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Weighted average discount rates:
Weighted Average Discount Rate [Abstract]
Weighted Average Discount Rate
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Sales
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
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
All other noninterest income
Noninterest Income, Other
Schedule of Equity Method Investments [Table]
Equity Method Investment [Table]
Unrealized gains (losses) on cash flow hedges, net of tax
Net change in fair value of interest rate swaps
Net change in fair value of interest rate swaps
Net gains (losses) on mortgage banking derivatives
Derivative, Gain (Loss) on Derivative, Net
Debt securities available for sale sold, tax benefit
Debt Securities, Available-For-Sale, Sold At Par Value, Tax Expense (Benefit)
Debt Securities, Available-For-Sale, Sold At Par Value, Tax Expense (Benefit)
Remainder of 2026
Finance Lease, Liability, to be Paid, Remainder of Fiscal Year
Minimum Capital Requirement
Banking Regulation, Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum
Dividend income on bank stock
Investment Income, Dividend
Remainder of 2026
Time Deposit Maturities, Remainder of Fiscal Year
Loans evaluated individually, net of related allowance
Financing Receivable, Individually Evaluated for Credit Loss, Average Recorded Investment
Financing Receivable, Individually Evaluated for Credit Loss, Average Recorded Investment
BUSINESS COMBINATIONS
Business Combination [Text Block]
Interest rate swaps: receive-fixed, pay-floating
Interest rate swaps - pay floating, receive fixed
Represent Interest rate swaps, pay floating, receive fixed.
Secured borrowings
Secured Borrowings [Member]
Secured Borrowings
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Revolving Loans
Financing Receivable, Excluding Accrued Interest, Revolving
Realized gains and losses on debt securities
Debt Securities, Available-for-Sale, Realized Gain (Loss) [Abstract]
Schedule of Loans Evaluated Individually, Segregated by Loan Category and Class
Financing Receivable, Allowance for Credit Loss [Table Text Block]
Common shares issued (in shares)
Common Stock, Shares, Issued
Beginning Balance
Ending Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Cash flows related to leases
Cash Flow, Operating Activities, Lessee [Abstract]
Due in one year or less
Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One
Forward sales commitments
Forward Contracts [Member]
SOFR Loan Swaps
SOFR Loan Swap [Member]
SOFR Loan Swap
Minimum Capital Requirement
Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Capital Adequacy, Minimum
12 months or more
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Comprehensive Income (Loss) Note [Text Block]
Product and Service [Domain]
Product and Service [Domain]
Class of Stock [Line Items]
Class of Stock [Line Items]
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, after Year One through Five
Schedule of Securities Sold Under Agreements to Repurchase
Schedule of Securities Financing Transactions and Short-term Debt [Table Text Block]
Tabular disclosure of distributions of securities sold under agreements to repurchase and short-term borrowings and related weighted average interest rates.
Noninterest expense
Noninterest Expense [Abstract]
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Net amortization (accretion) of premium (discount) on time deposits
Accretion of Premiums and Discounts on Time Deposits
Represents the accretion of premiums and discounts on time deposits.
Weighted average remaining lease terms:
Weighted Average Remaining Lease Terms [Abstract]
Weighted Average Remaining Lease Terms
2029
Lessee, Operating Lease, Liability, to be Paid, Year Three
Termination Date
Trading Arrangement Termination Date
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Saving deposits and money market deposits
Deposits, Interest-bearing Transaction Deposits, Saving Deposits and Money Market Deposits
The aggregate of saving and money market deposit liabilities held by the entity.
Fair Value
Debt Securities, Held-To-Maturity, Unrealized Loss Position, Fair Value [Abstract]
Debt Securities, Held-To-Maturity, Unrealized Loss Position, Fair Value
Long-term borrowings
Other Long Term Debt [Member]
Other Long Term Debt
Fair Value as of Grant Date
Award Grant Date Fair Value
Schedule of Debt Securities in an Unrealized or Unrecognized Loss Position
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]
Amount of interest collected and recognized on a cash basis
Financing Receivable, Nonaccrual And Equal To Or Greater Than 90 Days Past Due, Cash Basis Interest Income
Financing Receivable, Nonaccrual And Equal To Or Greater Than 90 Days Past Due, Cash Basis Interest Income
Ratio of gross unrealized or unrecognized losses to debt securities with gross unrealized or unrecognized losses
Held For Maturity Securities in Unrealized Loss Positions as Percentage of Aggregate Carrying Value
Represents the total number of securities in the investment portfolio which are in an unrealized loss position as a percentage of the aggregate carrying value.
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Arrangement Duration
Trading Arrangement Duration
Minimum Capital Requirement
Banking Regulation, Tier 1 Risk-Based Capital, Capital Adequacy, Minimum
Wealth Management
Wealth Management
Represents information pertaining to Wealth management segment.
Consolidation Items [Axis]
Consolidation Items [Axis]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Entity Registrant Name
Entity Registrant Name
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]
Revenue
Revenues
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Amortization expense
Finance Lease, Right-of-Use Asset, Amortization
Loan Restructuring Modification [Axis]
Loan Restructuring Modification [Axis]
Impairment of OREO and other repossessed assets
Impairment of Real Estate
Vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Expired (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period
Replacement awards
Replacement Awards [Member]
Replacement Awards
Award Type [Domain]
Award Type [Domain]
Interest expense
Finance Lease, Interest Expense
Remainder of 2026
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year
FAIR VALUE MEASUREMENTS
Fair Value Disclosures [Text Block]
Level 3 Inputs
Fair Value, Inputs, Level 3 [Member]
Total pledged loans
Asset Pledged as Collateral [Member]
Interest-bearing time deposits in other banks
Interest Bearing Time Deposits In Other Banks
Interest Bearing Time Deposits In Other Banks
Repurchase of stock, including excise tax (in shares)
Treasury Stock, Shares, Acquired
Total lease payments from operating leases
Lessor, Operating Lease, Payment to be Received
Schedule of Lease-Related Balances
Schedule of Lease Related Balances [Table Text Block]
Tabular disclosure of lease-related balances reported in the consolidated balance sheets.
Schedule of Short-term Debt [Table]
Short-Term Debt [Table]
Combination—Interest Rate Reduction and Payment Deferral
Interest Rate Reduction And Payment Deferral [Member]
Interest Rate Reduction And Payment Deferral
Other assets
Other Assets
30 to 59 days past due and still accruing
Financial Asset, 30 to 59 Days Past Due [Member]
Schedule of Modified Loans with Subsequent Defaults
Financing Receivable, Modified, Subsequent Default [Table Text Block]
Interest rate swaps: receive-floating, pay-fixed
Interest rate swaps - pay fixed, receive floating
Represent Interest rate swaps, pay fixed, receive floating.
Actual
Banking Regulation, Total Capital, Actual
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Table]
Repurchase of stock, including excise tax
Treasury Stock, Value, Acquired, Cost Method
Noninterest income
Noninterest Income [Abstract]
Cash and cash equivalents, beginning of period
Cash and cash equivalents, ending of period
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Cash pledged to secure obligations
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset
Schedule of Reclassification of Unrealized Gains and Losses from OCI
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Non-NEOs
Non-NEOs [Member]
Vested and outstanding at end of period (in shares)
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Outstanding
The number of equity-based payment instruments, excluding stock (or unit) options, that validly exist and are vested and outstanding, as of the balance sheet date.
Estimated amount due, penalties (approximately)
Income Tax Examination, Estimate of Possible Loss, Penalties
Income Tax Examination, Estimate of Possible Loss, Penalties
Due after ten years
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost
Fair Value
Debt Securities, Held-to-Maturity, Fair Value, Maturity [Abstract]
Investment, Name [Domain]
Investment, Name [Domain]
LEASES
Lessee, Operating Leases [Text Block]
Long-term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Schedule of Shares Remaining Available for Issuance Under Busey’s Equity Compensation Plans
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
Purchase of treasury stock
Payments for Repurchase of Common Stock
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Schedule of Net Gains (Losses) on Derivative Instruments
Derivative Instruments, Gain (Loss) [Table Text Block]
Award Type [Axis]
Award Type [Axis]
Net unrealized holding gains (losses) on cash flow hedges
Net gains (losses) recognized in OCI, net of tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax
Collateral held to secure obligations under derivative contracts
Interest Rate Contract
Interest Rate Contract [Member]
Remainder of 2026
Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Retained earnings
Retained Earnings (Accumulated Deficit)
Actual
Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Actual
Provision for loan losses
Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Excluding Business Acquisition
Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Excluding Business Acquisition
Retail loans
Consumer Portfolio Segment [Member]
Product and Service [Axis]
Product and Service [Axis]
Federal funds purchased and securities sold under agreements to repurchase
Interest Expense, Securities Sold under Agreements to Repurchase
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Short-Term Debt [Line Items]
Short-Term Debt [Line Items]
Common
Common stock
Common Stock [Member]
Schedule of Revenue Recorded in Connection with Leases
Operating Lease, Lease Income [Table Text Block]
Premises and Equipment rent expense
Operating Lease, Cost
Tier 1 Capital to Risk Weighted Assets, Amount
Banking Regulation, Tier 1 Risk-Based Capital [Abstract]
2022, charge-off
2021, charge-off
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Alternative [Abstract]
Derivative Contract [Domain]
Derivative Contract [Domain]
Treasury management services
Treasury Management Services [Member]
Treasury Management Services
Realized net gains (losses) on debt securities
Debt Securities, Available-for-Sale, Realized Gain (Loss)
Total liabilities and stockholders’ equity
Liabilities and Equity
Variable lease costs
Variable Lease, Cost
Employee Stock Option
Share-Based Payment Arrangement, Option [Member]
Purchases
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Gross unrealized or unrecognized losses on debt securities
Debt Securities Accumulated Gross Unrealized Loss Before Tax
Gross total of unrealized losses on debt securities.
2031
Time Deposit Maturities, Year Five
Segments [Axis]
Segments [Axis]
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Asset Class [Axis]
Asset Class [Axis]
Gross aggregate fair value of swap liabilities
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value
Busey Bank
Busey Bank
Represents the information pertaining to Busey Bank.
M&M
Merchants And Manufacturers Bank Corporation [Member]
Merchants And Manufacturers Bank Corporation
Tabular List, Table
Tabular List [Table Text Block]
Additional paid-in capital
Additional Paid in Capital
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]
Appraisal of collateral
Valuation, Market Approach [Member]
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
Financing Receivable Portfolio Segment [Axis]
Financing Receivable Portfolio Segment [Axis]
OREO and other repossessed assets acquired in settlement of loans
Real Estate Owned, Transfer to Real Estate Owned
Preferred stock, $0.001 par value, liquidation preference $222,750 at June 30, 2026, and December 31, 2025
Preferred stock, value, issued
Preferred Stock, Value, Issued
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Deferred Income Taxes and Other Assets [Abstract]
Deferred Income Taxes and Other Assets [Abstract]
Weighted average receive rate, fixed
Derivative, Average Fixed Interest Rate
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Other servicing rights
Other Servicing Asset at Fair Value Amount
Represents the other servicing asset
Interest
Interest Paid, Excluding Capitalized Interest, Operating Activity
Hedging Designation [Axis]
Hedging Designation [Axis]
60 to 89 days past due and still accruing
Financial Asset, 60 to 89 Days Past Due [Member]
Total long-term borrowings
Long-Term Debt and Lease Obligation
2031
Finance Lease, Liability, to be Paid, Year Five
Payment technology solutions
Technology Service [Member]
Name
Measure Name
ILLINOIS
ILLINOIS
Pay vs Performance Disclosure [Line Items]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Fair Value
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value
Limit where loans are processed through an expedited underwriting process
Financing Receivable, Limit above which Loans are Processed Through an Expedited Underwriting Process
Represents the limit of loan where loans are processed through an expedited underwriting process.
5.000% Notes Maturing June 15, 2032
Fixed-to-floating rate notes due 2032
Represents the fixed-to-floating rate notes due 2032.
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Proceeds from sales of equity securities
Proceeds from Sale of Equity Securities, FV-NI
Short-term borrowings
Interest Expense, Short-Term Borrowings Excluding Federal Funds and Securities Sold under Agreements to Repurchase
Junior subordinated debt owed to unconsolidated trusts
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Junior Subordinated Notes
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Junior Subordinated Notes
Interest and fees on loans
Interest and Fee Income, Financing Receivable
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Repayment of short-term borrowings
Repayments of Short-Term Debt
2031
Lessor, Operating Lease, Payment to be Received, Year Five
Accrued interest receivable
Interest Receivable
Name
Trading Arrangement, Individual Name
Total cash and cash equivalents
Cash and Cash Equivalent
Subordinated notes
Interest Expense, Subordinated Notes and Debentures
Position [Domain]
Position [Domain]
Interest income
Interest And Dividend Income, Operating, Adjusted
Interest And Dividend Income, Operating, Adjusted
Net issuance of treasury stock for stock-based compensation plans
Stock Issued During Period, Value, Stock Based Compensation Plans, Net
Stock Issued During Period, Value, Stock Based Compensation Plans, Net
Company Selected Measure Amount
Company Selected Measure Amount
Unrealized net gains (losses) recognized on equity securities
Equity Securities, FV-NI, Unrealized Gain (Loss)
Depreciation and amortization of premises and equipment
Depreciation, Depletion and Amortization
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Accounts and Financing Receivables [Table]
Increase in cash surrender value of bank owned life insurance
Life Insurance, Corporate or Bank Owned, Change in Value
Card services and ATM fees
Card Services And ATM Fees [Member]
Card Services And ATM Fees
Dividend equivalents earned (in shares)
Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options, Dividend Equivalent Earned in Period
Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options, Dividend Equivalent Earned in Period
Operating leases
Operating Lease, Weighted Average Remaining Lease Term
Total commitments
Fair Value Disclosure, off-Balance-Sheet Risks, Face Amount, Liability
Non-PEO NEO
Non-PEO NEO [Member]
Leverage Ratio of Tier 1 Capital to Average Assets, Amount
Banking Regulation, Tier 1 Leverage Capital [Abstract]
Total noninterest expense
Noninterest Expense
30-89 Days
Financial Asset, 30 to 89 Days Past Due [Member]
Financial Asset, 30 to 89 Days Past Due
Award Timing Method
Award Timing Method [Text Block]
Mortgage banking derivative assets
Interest rate lock commitments and forward sales commitments
Represents interest rate lock commitments and forward sales commitments.
Net 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]
Notional Amount
Derivative Liability, Notional Amount
2028
Lessor, Operating Lease, Payment to be Received, Year Two
Net income
Net income
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 disposition of premises and equipment
Proceeds from Sale of Property, Plant, and Equipment
Financing Receivable, Past Due [Table]
Financing Receivable, Past Due [Table]
Restatement Determination Date:
Restatement Determination Date [Axis]
Schedule of Accumulated Other Comprehensive Income (Loss)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
(Gain) loss on sales of loans, net
Gain Loss on Sale of Loans Net
It represents the (gain) loss on sale of loans, net.
Liabilities assumed
Business Combination, Recognized Liability Assumed, Liability [Abstract]
Loans sold
Financing Receivable, Sale
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Prime Loan Swap
Prime Loan Swap [Member]
Prime Loan Swap
Collateral dependent loans secured by real estate or business assets
Collateral Dependent Loans
Represents collateral dependent loans secured by real estate or business assets.
Document Fiscal Year Focus
Document Fiscal Year Focus
Pre-tax acquisition expenses
Business Combination, Acquisition-Related Cost, Expense
Time deposits
Cash Equivalent, Time Deposit, Carrying Value
Total deposits
Deposits
Common stock, $0.001 par value
Common Stock, Value, Issued
2027
Lessee, Operating Lease, Liability, to be Paid, Year One
Cash paid for withholding taxes on stock-based payments
Payment, Tax Withholding, Share-Based Payment Arrangement
Schedule of Long-term Borrowings
Schedule of Long-Term Debt Instruments [Table Text Block]
Schedule of Risk Grades of Portfolio Loans, Further Sorted by Origination
Financing Receivable Credit Quality Indicators By Origination [Table Text Block]
Tabular disclosure of financing receivables by credit quality indicator and origination. 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.
Restatement Determination Date
Restatement Determination Date
Ratio of gross unrealized or unrecognized losses to debt securities with gross unrealized or unrecognized losses
Securities in Unrealized Loss Positions as Percentage of Aggregate Carrying Value
Represents the total number of securities in the investment portfolio which are in an unrealized loss position as a percentage of the aggregate carrying value.
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
Other noninterest expense
Other Noninterest Expense
Current
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months
PORTFOLIO LOANS
Financing Receivables [Text Block]
Amendment Flag
Amendment Flag
Gross contractual receivable for PCD financial assets
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Gross Contractual Amount
Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Financing cash flows from finance leases
Finance Lease, Principal Payments
Common Stock, $0.001 par value
Common Stock, $0.001 par value [Member]
Common Stock, $0.001 par value
C&I and other commercial
Commercial And Industrial And Other Commercial [Member]
Commercial And Industrial And Other Commercial
Variable rate, commercial loans that are supported by the interest rate swap contracts
Derivative Swap Type Variable Rate
Amount of variable rate, commercial loans that are supported by the interest rate swap contracts.
Unrealized gross losses
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
TAX CREDIT INVESTMENTS AND OTHER INVESTMENTS IN UNCONSOLIDATED ENTITIES
Investment [Text Block]
Standby letters of credit
Standby Letters of Credit [Member]
Mortgage loans originated for sale
Payment for Origination, Loan, Mortgage, Held-for-Sale
FHLB advances maturing in less than one year from date of origination, and the current portion of long-term FHLB advances due within 12 months
Federal Home Loan Bank Advances [Member]
Restricted bank stock
Federal Home Loan Bank Stock and Federal Reserve Bank Stock
Provision for deferred income taxes expense
Increase (Decrease) in Deferred Income Taxes
Stock issued in acquisition, net of stock issuance costs
Stock Issued During Period, Value, Acquisitions
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Minimum To Be Well Capitalized
Banking Regulation, Tier 1 Risk-Based Capital, Well Capitalized, Minimum
Other repossessed assets
Other Real Estate, Foreclosed Assets, and Repossessed Assets
Entity Address, State or Province
Entity Address, State or Province
Other assets
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Assets
Amount of other assets acquired at the acquisition date.
Schedule of Foreign Currency Forward Contracts
Schedule of Derivative Assets and Derivative Liabilities at Fair Value [Table Text Block]
Schedule of Derivative Assets and Derivative Liabilities at Fair Value
Purchases of equity securities
Payments to Acquire Equity Securities, FV-NI
Non-accrual
Financing Receivable, Excluding Accrued Interest, Nonaccrual
PEO Total Compensation Amount
PEO Total Compensation Amount
2027
Time Deposit Maturities, Year One
Count of debt securities
Total Count Of Debt Securities, Held To Maturity
Total count of held to maturity debt securities.
Notional amount
Notional Amount
Derivative, Notional Amount
Weighted average number of common shares outstanding, basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Loss, receive-floating, pay-fixed
Derivative, Gain (Losses) On Derivative Pay Fixed, Receive Floating
Amount of increase (decrease) in the fair value of derivatives pay fixed receive floating recognized in the income statement.
OREO and other repossessed assets with subsequent impairment
Other Real Estate Owned, Measurement Input
2030
Lessee, Operating Lease, Liability, to be Paid, Year Four
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Credit Quality Indicator [Line Items]
Interest-bearing deposits
Interest-Bearing Deposits in Banks and Other Financial Institutions
Unrealized/Unrecognized gains (losses) on debt securities:
Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract]
Total noninterest income
Noninterest Income
Noninterest income
Revenue from Contract with Customer, Including Assessed Tax
Amortized Cost
Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract]
Time deposits
Time deposits
Time Deposits
Consideration paid
Business Combination, Consideration Transferred [Abstract]
Document Information [Line Items]
Document Information [Line Items]
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 Financial Statement Presentation
Basis of Accounting, Policy [Policy Text Block]
Class of Stock [Axis]
Class of Stock [Axis]
Net income available to common stockholders
Net Income (Loss) Available to Common Stockholders, Basic
Debt Securities, Held-to-Maturity [Table]
Debt Securities, Held-to-Maturity [Table]
Federal Reserve Bank
Assets Pledged As Collateral, Federal Reserve Bank [Member]
Assets Pledged As Collateral, Federal Reserve Bank
Retail other
Consumer, Other [Member]
Line of credit maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Limit above which loans are annually reviewed
Financing Receivable, Limit Above Which Loans are Annually Reviewed
Represents the limit of loan above which loans are reviewed annually.
Cash dividends on preferred stock
Dividends, Preferred Stock
Banking and Thrift, Other Disclosures [Abstract]
Banking and Thrift, Other Disclosure [Abstract]
Portfolio loans (net of ACL of $164,204 at June 30, 2026, and $174,023 at December 31, 2025)
Portfolio loans, net
Portfolio loans, net
Pledged loans
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss
Debt securities with gross unrealized or unrecognized losses, fair value
Debt Securities, Fair Value
Fair value of total debt securities.
Treasury stock at cost
Treasury Stock, Value
Impact of Recently Adopted Accounting Standards and Recently Issued Accounting Standards Not Yet Adopted
New Accounting Pronouncements, Policy [Policy Text Block]
(Gain) loss on sales of premises and equipment
Gain (Loss) on Disposition of Property Plant Equipment
Other intangible assets
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill
2024
2023
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year
Percentage of principal amount of notes
Percentage of Principal Amount of Notes
Percentage of principal amount of notes.
Impairment (reversal of impairment) of mortgage servicing rights
Mortgage Servicing Rights (MSR) Impairment (Recovery)
Securities sold under agreements to repurchase
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure
Net cash provided by 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]
Capital markets income
Capital Markets Income [Member]
Capital Markets Income
Security Exchange Name
Security Exchange Name
Debt securities held to maturity
Amortized Cost
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss
Gross aggregate fair value of swap assets
Cash Flow Hedge Derivative Instrument Assets at Fair Value
Credit Loss Status [Domain]
Credit Loss Status [Domain]
Valuation Approach and Technique [Axis]
Valuation Approach and Technique [Axis]
Loans with Subsequent Defaults
Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default
Total Capital to Risk Weighted Assets, Amount
Banking Regulation, Total Capital [Abstract]
12 months or more
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer
Cash pledged to secure obligations under derivative contracts
Cash Pledged To Secure Obligations Under Derivative Contracts [Member]
Cash Pledged To Secure Obligations Under Derivative Contracts
Finance leases
Finance Lease, Right-of-Use Asset, after Accumulated Amortization
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]
Amortized Cost
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity [Abstract]
Short-term borrowings
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Short-Term Debt
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Short-Term Debt
Schedule of Interest Income (Expense) Recorded on Swap Transactions
Interest Income and Interest Expense Disclosure [Table Text Block]
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]
FHLB borrowings
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]
Amounts reclassified from AOCI, net and amortization of unrecognized losses on securities transferred to held to maturity
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent
Total
Debt securities with gross unrealized or unrecognized losses, fair value
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value
Loans purchased
Financing Receivable, Purchase
Due in one year or less
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
ACL recorded for estimated uncollectible contractual cash flows specific to PCD financial assets
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Contractual Cash Flow, Estimated Uncollectible
Purchases of loans
Payments to Acquire Finance Receivables
Net change in unrealized/unrecognized gains (losses) on debt securities
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
Fair Value
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value
Net increase (decrease) in federal funds purchased and securities sold under agreements to repurchase
Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net
Tier 1 Capital to Risk Weighted Assets, Ratio
Banking Regulation, Risk-Based Information [Abstract]
Schedule of Maturities of Time Deposits
Time Deposit Maturities [Table Text Block]
Total long-term borrowings
Long-Term Debt, Gross
Asset Class [Domain]
Asset Class [Domain]
Compensation Amount
Outstanding Recovery Compensation Amount
Individual:
Individual [Axis]
Weighted average number of common shares outstanding, diluted (in shares)
Weighted average number of common shares outstanding, diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Accounts, Notes, Loans and Financing Receivable [Line Items]
Distributions of portfolio loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Entity Emerging Growth Company
Entity Emerging Growth Company
Loans in the process of foreclosure
Mortgage Loans in Process of Foreclosure, Amount
Interest-bearing time deposits in other banks
Interest-Bearing Deposits in Banks and Other Financial Institutions, Other
Interest-Bearing Deposits in Banks and Other Financial Institutions, Other
Total portfolio loans
Total
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Premises and equipment, net
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Unrecognized gross losses
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss
Less: Amounts representing interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Brokered interest-bearing transaction deposits
Brokered Interest-Bearing Transaction Deposits
Brokered Interest-Bearing Transaction Deposits
Intersegment interest income
Intersegment Interest Income
Intersegment Interest Income
Treasury Stock
Treasury Stock, Common [Member]
Debt Securities, Available-for-Sale [Line Items]
Debt Securities, Available-for-Sale [Line Items]
8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock
8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock [Member]
8.25% Fixed-Rate Series B Non-Cumulative Perpetual Preferred Stock
Actual
Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Actual
Total undiscounted cash flows
Lessee, Operating Lease, Liability, to be Paid
Notional Amount
Derivative Asset, Notional Amount
2024, charge-off
2023, charge-off
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff
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]
OCI:
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Term Extension, Interest Rate Reduction And Payment Deferral
Extended Maturity, Interest Rate Reduction And Payment Deferral [Member]
Extended Maturity, Interest Rate Reduction And Payment Deferral
Bank property held for sale with impairment
Alternative Investment, Measurement Input
Net proceeds from OREO and other repossessed assets
Proceeds From Sale Of Other Real Estate And Other Repossessed Assets, Including Cash Payments Collected, Net
Proceeds From Sale Of Other Real Estate And Other Repossessed Assets, Including Cash Payments Collected, Net
Unfunded investment obligations
Investment-related Liabilities
Cash and cash equivalents:
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract]
Finance lease costs:
Finance Lease, Liability [Abstract]
Data processing
Information Technology and Data Processing
Purchases of restricted bank stock
Payments To Acquire Federal Home Loan Bank And Federal Reserve Bank Stock
Payments To Acquire Federal Home Loan Bank And Federal Reserve Bank Stock
Schedule of Computation of Earnings Per Common Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Estimated amount due
Income Tax Examination, Estimate of Possible Loss
OPERATING SEGMENTS AND RELATED INFORMATION
Segment Reporting [Text Block]
Proceeds from paydowns and maturities of debt securities available for sale
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale
Minimum
Minimum [Member]
Repayment of other borrowings
Repayments of Other Debt
Liabilities
Liabilities [Abstract]
Net change in unrealized gains (losses) on cash flow hedges, net of tax
Derivative, Excluded Component, Gain (Loss), Recognized in Earnings
Income Statement Location [Axis]
Location, Statement of Income, Balance [Axis]
Amortization of investments in tax-advantaged projects
Investment Program, Proportional Amortization Method, Applied, Amortization Expense
Proceeds from other borrowings, net of debt issuance costs
Proceeds from Other Debt
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]
Other liabilities
Other Liabilities
Business Combination [Line Items]
Business Combination [Line Items]
Other noninterest income
Noninterest Income, Other Operating Income
Debt securities held to maturity
Debt Securities, Held-to-Maturity, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract]
Financing Receivable, Allowance for Credit Loss [Table]
Financing Receivable, Allowance for Credit Loss [Table]
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Useful life
Intangible Asset, Finite-Lived, Useful Life
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gross gains on debt securities
Debt Securities, Available-for-Sale, Realized Gain
Schedule of Held-to-Maturity Securities [Line Items]
Schedule of Held-to-Maturity Securities [Line Items]
Exercise Price
Award Exercise Price
Junior subordinated debt owed to unconsolidated trusts
Interest Expense, Junior Subordinated Debentures
Fair Value, Recurring
Fair Value, Recurring [Member]
Schedule of Equity Method Investments [Line Items]
Schedule of Equity Method Investments [Line Items]
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]
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Obligations of states and political subdivisions
Obligations of states and political subdivisions
US States and Political Subdivisions Debt Securities [Member]
Special Mention
Special Mention [Member]
REGULATORY CAPITAL
Regulatory Capital Requirements under Banking Regulations [Text Block]
2023, charge-off
2022, charge -off
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff
Proceeds from sales of debt securities available for sale
Proceeds from Sale of Debt Securities, Available-for-Sale
Accrued interest payable
Interest Payable
Restricted Cash and Cash Equivalents [Axis]
Restricted Cash and Cash Equivalents [Axis]
Derivative liabilities not designated as hedging instruments
Mortgage banking derivative liabilities
Derivative Liability [Abstract]
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Investments in unconsolidated entities
Equity Method Investments
Intersegment noninterest expense
Intersegment Noninterest Expense
Intersegment Noninterest Expense
Equity Component [Domain]
Equity Component [Domain]
Measurement Input Type [Domain]
Measurement Input Type [Domain]
Gains (losses) recognized in earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Adoption Date
Trading Arrangement Adoption Date
2030
Time Deposit Maturities, Year Four
Decrease in interest income on swap transactions
Interest Income, Interest-Earning Asset, Increase (Decrease)
Equity securities
Equity securities
Equity Securities, FV-NI, Current
Title
Trading Arrangement, Individual Title
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Tax credit investments
Tax Credit Investments [Member]
Tax Credit Investments
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Unrealized Gains (Losses) on Debt Securities Available For Sale and Unrealized Gains (Losses) on Cash Flow Hedges
AOCI, Accumulated Gain (Loss, Debt Securities, Available-For-Sale, Parent And Accumulated Gain (loss), Net, Cash Flow Hedge, Parent [Member]
AOCI, Accumulated Gain (Loss, Debt Securities, Available-For-Sale, Parent And Accumulated Gain (loss), Net, Cash Flow Hedge, Parent
Minimum Capital Requirement
Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum
Total lease liabilities
Leases, Liability
Leases, Liability
Weighted average maturity
Derivative, Average Remaining Maturity
Operating leases
Present value of net future minimum lease payments
Operating Lease, Liability
Common stock issuance costs
Payments of Stock Issuance Costs
Outstanding at beginning of year (in shares)
Outstanding at end of year (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Finance leases
Present value of net future minimum lease payments
Finance lease liabilities
Finance Lease, Liability
Fair Value
Fair Value
Debt securities held to maturity
Debt Securities, Held-to-Maturity, Fair Value
Count of debt securities in an unrealized or unrecognized loss position
Debt Securities, Held To Maturity, Unrealized Loss Position, Number of Positions
Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (held to maturity), in unrealized loss position.
Taxable interest income
Interest Income, Securities, Operating, Taxable
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Commercial loans
Commercial Portfolio Segment [Member]
Gross aggregate fair value of the swaps
Cash Flow Hedges Derivative Instruments at Fair Value, Net [Abstract]
Business Combination [Domain]
Business Combination [Domain]
OUTSTANDING COMMITMENTS AND CONTINGENT LIABILITIES
Commitments and Contingencies Disclosure [Text Block]
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Intersegment interest expense
Intersegment Interest Expense
Intersegment Interest Expense
Financial Asset, Period Past Due [Domain]
Financial Asset, Aging [Domain]
RSU Awards
Restricted Stock Units (RSUs) [Member]
Common Equity Tier 1 Capital to Risk Weighted Assets, Amount
Common Equity Tier One Risk Based Capital [Abstract]
No definition available.
Weighted Average
Weighted Average [Member]
Intersegment noninterest income
Intersegment Noninterest Income
Intersegment Noninterest Income
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Minimum To Be Well Capitalized
Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum
Business Combination [Axis]
Business Combination [Axis]
Income Taxes
Income Tax, Policy [Policy Text Block]
Net cash provided by operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Preferred stock, liquidation preference
Preferred Stock, Liquidation Preference, Value
Residential loans
Residential Portfolio Segment [Member]
Substandard
Substandard [Member]
Income Statement [Abstract]
Income Statement [Abstract]
Stockholders’ equity
Equity, Attributable to Parent [Abstract]
Document Transition Report
Document Transition Report
Minimum Capital Requirement
Banking Regulation, Tier 1 Leverage Capital, Capital Adequacy, Minimum
Minimum To Be Well Capitalized
Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Well Capitalized, Minimum
CrossFirst
CrossFirst Bankshares, Inc [Member]
CrossFirst Bankshares, Inc
SSARs
Stock Appreciation Rights (SARs) [Member]
Business Combination, Contingent Consideration [Line Items]
Business Combination, Contingent Consideration [Line Items]
City Area Code
City Area Code
Document Information [Table]
Document Information [Table]
Number of leases not yet commenced
Number Of Leases Not Yet Commenced
Number Of Leases Not Yet Commenced
Name
Forgone Recovery, Individual Name
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
2020 Equity Plan
2020 Equity Plan [Member]
2020 Equity Plan
Total Capital to Risk Weighted Assets, Ratio
Capital to Risk Based Ratios [Abstract]
Capital to Risk Based Ratios [Abstract]
Preferred shares issued (in shares)
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Total interest income
Interest and Dividend Income, Operating
Accumulated amortization
Finance Lease, Right-of-Use Asset, Accumulated Amortization
Financing Receivable, Credit Quality Indicator [Table]
Financing Receivable, Credit Quality Indicator [Table]
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, after Year 10
90+ days past due and still accruing
Financing Receivable, 90 Days or More Past Due, Still Accruing
Increase in other assets
Increase (Decrease) in Other Operating Assets
Issuance of preferred stock, net of issuance costs (in shares)
Stock Issued During Period, Shares, New Issues
Amortization of mortgage servicing rights
Amortization of Mortgage Servicing Rights (MSRs)
Cash surrender value of bank owned life insurance
Cash Surrender Value of Life Insurance
Net increase (decrease) in deposits
Increase (Decrease) in Deposits
Cash and Cash Equivalents [Domain]
Cash and Cash Equivalents [Domain]
Total stock-based compensation expense
Share-Based Payment Arrangement, Expense
Measurement Basis [Axis]
Measurement Basis [Axis]
Minimum To Be Well Capitalized
Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum
Banking
Banking
Represents information pertaining to Banking segment.
Increase in the number of shares authorized for issuance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized
Exercised (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Net unrealized holding gains (losses) on debt securities available for sale
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
Actual
Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Proceeds from the sales of loans
Proceeds from Sale of Finance Receivables
Revolving Loans, charge-off
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff
Unrealized Gains (Losses) on Debt Securities Available For Sale
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Cash and cash equivalents
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Forfeited (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period
Schedule of Quantitative Information About Level 3 Fair Value Measurements
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
2029
Time Deposit Maturities, Year Three
Entity Current Reporting Status
Entity Current Reporting Status
Net cash provided by (used in) financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Total Shareholder Return Amount
Total Shareholder Return Amount
Tax effect
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax
Cash Flow Hedging
Cash Flow Hedging [Member]
Schedule of Reconciliation Between the Purchase Price and the Fair Value
Business Combination [Table Text Block]
Schedule of Business Acquisition, Pro Forma Information
Business Combination, Pro Forma Information [Table Text Block]
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Fair Value
Debt Securities, Available-for-sale, Unrealized Loss Position Fair Value [Abstract]
Debt Securities, Available-for-sale, Unrealized Loss Position Fair Value
Bank Overdrafts
Bank Overdrafts [Member]
Total stockholders’ equity before treasury stock
Stockholders' Equity before Treasury Stock
Weighted Average Term Extension
Financing Receivable, Modified, Weighted-Average Term Increase from Modification
12 months or more
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Interest- Bearing Time Deposits in Other Banks
Interest- Bearing Time Deposits In Other Banks, Policy [Policy Text Block]
Interest- Bearing Time Deposits In Other Banks, Policy
Cash flows provided by (used in) financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Interest premium (discount) specific to PCD financial assets
Business Combination, Interest (Premium) Discount Specific To PCD Financial Assets
Business Combination, Interest (Premium) Discount Specific To PCD Financial Assets
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Financial Instruments [Domain]
Financial Instruments [Domain]
2022
2021
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year
Fair value recorded in other assets
Derivative assets
Derivative Asset
Underlying Securities
Award Underlying Securities Amount
Fair Value
Estimate of Fair Value Measurement [Member]
Issuance of preferred stock, net of issuance costs
Stock Issued During Period, Value, New Issues
Derivative asset, statement of financial position [Extensible Enumeration]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Other investments in unconsolidated entities
Other Investments In Unconsolidated Entities [Member]
Other Investments In Unconsolidated Entities
Income Tax Jurisdiction, Domestic State and Local
Income Tax Jurisdiction, Domestic State and Local [Member]
Preferred
Preferred stock
Preferred Stock [Member]
Stock issued in acquisition, net of stock issuance costs (in shares)
Stock Issued During Period, Shares, Acquisitions
Operating leases
Operating Lease, Weighted Average Discount Rate, Percent
Expired (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Expirations
Segment Reporting [Table]
Segment Reporting [Table]
Shares Remaining Available for Issuance Pursuant to the Plan (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Amortized cost basis
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount
Aggregate amount of time deposits with a minimum denomination that meets or exceeds the FDIC insurance limit of $250,000
Time Deposits, at or Above FDIC Insurance Limit
Schedule of Lease Costs and Other Lease Information
Lease, Cost [Table Text Block]
Gains on foreign currency exchange contracts
Derivative, Gain on Derivative
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
All Trading Arrangements
All Trading Arrangements [Member]
Less than 12 months
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months
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
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Provision for credit losses
Day 2 Provision for loan losses
Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal)
Derivative [Line Items]
Derivative [Line Items]
Series A Non-Cumulative Perpetual Preferred Stock
Series A Non-Cumulative Perpetual Preferred Stock [Member]
Series A Non-Cumulative Perpetual Preferred Stock
Leases not yet commenced commitments
Unrecorded Unconditional Purchase Obligation
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]
Entity File Number
Entity File Number
Due in one year or less
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value
Schedule of Maturities of Debt Securities
Investments Classified by Contractual Maturity Date [Table Text Block]
Net amortization (accretion) of premium (discount) on FHLB advances and other borrowings
Amortization of Discount on Federal Home Loan Bank, Advances
Amount of amortized discount on outstanding advances and other borrowings (including trust preferred securities) made and reported by Federal Home Loan Bank (FHLBank).
Proceeds from life insurance
Proceeds from Life Insurance Policy
Schedule of Unamortized Debt Issuance Cost
Schedule of Unamortized Debt Issuance Cost [Table Text Block]
Tabular disclosure of unamortized debt issuance cost.
Reclassification adjustment for realized (gains) losses on cash flow hedges included in net income
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Measure:
Measure [Axis]
All other noninterest expense
Other Noninterest Expense, Adjusted
Other Noninterest Expense, Adjusted
Count of debt securities
Total Count Of Debt Securities
Total count of debt securities.
Less: Treasury (in shares)
Treasury Stock, Common, Shares
Non-taxable interest income
Interest Income, Securities, Operating, Tax Exempt
Equity Components [Axis]
Equity Components [Axis]
Entity Interactive Data Current
Entity Interactive Data Current
Cash payments for:
Cash Payments [Abstract]
No definition available.
(Gain) loss on sales of OREO and other repossessed assets
Gains (Losses) On Sales Of Other Real Estate And Other Repossessed Assets
Gains (Losses) On Sales Of Other Real Estate And Other Repossessed Assets
Minimum To Be Well Capitalized
Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum
Entity Small Business
Entity Small Business
Total comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Portfolio loans, net of ACL
Business Combination, Recognized Identifiable Assets Acquired And Liabilities, Financing Receivables
Business Combination, Recognized Identifiable Assets Acquired And Liabilities, Financing Receivables
Minimum To Be Well Capitalized
Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum
Net interest income
Net interest income
Interest Income (Expense), Operating
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
2029
Finance Lease, Liability, to be Paid, Year Three
Document Type
Document Type
Equity securities
Securities Equity Investments [Member]
Represents the securities equity investments.
Due after ten years
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
Net cash received in (paid for) acquisitions (see Note 2)
Payments to Acquire Businesses, Net of Cash Acquired
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]
Actual
Banking Regulation, Tier 1 Leverage Capital Ratio, Actual
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Financial Instruments Owned and Pledged as Collateral [Table]
Financial Instruments Owned and Pledged as Collateral [Table]
Local Phone Number
Local Phone Number
Pledged Status [Domain]
Pledged Status [Domain]
Outstanding commitments and contingent liabilities (see Notes 5 and 11)
Commitments and Contingencies
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Trust Assets
Assets Held in Trust [Policy Text Block]
Disclosure of accounting policy for assets under care held for customers, that are not included in the Company's consolidated financial statements.
Executive Category:
Executive Category [Axis]
Limit above which loans are quarterly reviewed
Financing Receivable, Limit Above Which Loans Are Quarterly Reviewed
Financing Receivable, Limit Above Which Loans Are Quarterly Reviewed
Held to Maturity
Held to Maturity, Debt Securities in Unrealized Loss Position [Abstract]
N/A
Liabilities and stockholders’ equity
Liabilities and Equity [Abstract]
Commitments [Table]
Other Commitments [Table]
2030
Lessor, Operating Lease, Payment to be Received, Year Four
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Supplemental Cash Flow Information [Abstract]
Ratio of gross unrealized or unrecognized losses to debt securities with gross unrealized or unrecognized losses
Available For Sale Securities in Unrealized Loss Positions as Percentage of Aggregate Carrying Value
Represents the total number of securities in the investment portfolio which are in an unrealized loss position as a percentage of the aggregate carrying value.
PEO Name
PEO Name
Short-term borrowings
Other Short-Term Borrowings
Unrealized Gains (Losses) on Cash Flow Hedges
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Financial liabilities
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
12 months or more
Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Entity Tax Identification Number
Entity Tax Identification Number
Cash and due from banks
Cash and Due from Banks
Estimated amount due, interest
Income Tax Examination, Estimate of Possible Loss, Interest
Income Tax Examination, Estimate of Possible Loss, Interest
Activity in the allowance for loan losses
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Count of debt securities in an unrealized or unrecognized loss position
Debt Securities, Unrealized Loss Position, Number of Positions
Total count of debt securities in an unrealized loss position.
Schedule of Past Due and Non-accrual Loans and Non-Accrual Status
Financing Receivable, Past Due [Table Text Block]
Leverage Ratio of Tier 1 Capital to Average Assets, Ratio
Banking Regulation, Leverage Ratio [Abstract]
Current
Financial Asset, Not Past Due [Member]
Assets acquired
Business Combination, Recognized Asset Acquired, Asset [Abstract]
Other Commitments [Line Items]
Other Commitments [Line Items]
Credit Loss Status [Axis]
Credit Loss Status [Axis]
Dividends on preferred stock
Dividends on preferred stock
Preferred Stock Dividends, Income Statement Impact
Debt securities, carrying amount
Debt Securities
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Purchased
Risk Participation Agreement Purchased [Member]
Risk Participation Agreement Purchased
Pre-tax loss on debt securities
Debt Securities, Available-for-Sale, Realized Loss, Before Tax
Debt Securities, Available-for-Sale, Realized Loss, Before Tax
Income on 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]
Debt Instrument [Axis]
Debt Instrument [Axis]
Stock-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
Credit Commitments and Contingencies
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Interest expense
Interest Expense, Operating and Nonoperating [Abstract]
Salaries and employee benefits
Labor and Related Expense
Total lease cost
Lease, Cost
Foreign currency exchange contract
Long [Member]
Securities
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Securities Available For Sale
Amount of investments in debt and equity securities, available-for-sale, acquired at the acquisition date.
Proceeds from paydowns and maturities of debt securities held to maturity
Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities
Schedule of Fair Values of Derivative Assets and Liabilities Recorded in Consolidated Balance Sheet
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Basic earnings per common share (in dollars per share)
Earnings Per Share, Basic
Measurement Input Type [Axis]
Measurement Input Type [Axis]
Insider Trading Arrangements [Line Items]
Short-term borrowings
Short-Term Debt, Fair Value
Measurement Input, Comparability Adjustment
Measurement Input, Comparability Adjustment [Member]
Short-term lease costs
Short-Term Lease, Cost
Time deposits by schedule of maturities
Time Deposits, Fiscal Year Maturity [Abstract]
Right of use assets:
Right Of Use Assets [Abstract]
Right Of Use Assets
Gain, receive-fixed, pay-floating
Derivative, Gain, (Losses) on Derivative Pay Floating, Receive Fixed
Amount of increase (decrease) in the fair value of derivatives pay floating receive fixed recognized in the income statement.
Schedule of Short-term Borrowings
Schedule of Short-Term Debt [Table Text Block]
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 Measurement [Domain]
Fair Value Measurement [Domain]
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]
SIGNIFICANT ACCOUNTING POLICIES
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Cover [Abstract]
Cover [Abstract]
Amortization of unrecognized losses on securities transferred 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
Brokered time deposits
Brokered Time Deposits
Represents the amount of brokered time deposits.
Fair Value Measurement Inputs and Valuation Techniques [Table]
Fair Value Measurement Inputs and Valuation Techniques [Table]
2025, charge-off
2024, charge-off
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff
Unrealized gains (losses) on cash flow hedges:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent [Abstract]
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Net (increase) decrease in loans
Net Increase (Decrease) In Financing Receivables, Investing Activities
Net Increase (Decrease) In Financing Receivables, Investing Activities
Other interest income
Interest Income, Other
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Schedule of Future Minimum Lease Payments
Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block]
Issuance of preferred stock, net of stock issuance costs
Proceeds from Issuance of Preferred Stock and Preference Stock
Decrease in other liabilities
Increase (Decrease) in Other Operating Liabilities
Pass
Pass [Member]
Plan Name [Axis]
Plan Name [Axis]
Schedule of Distribution of Portfolio Loans
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Income Tax Jurisdiction [Domain]
Income Tax Jurisdiction [Domain]
Loans previously charged-off prior to acquisition
Business Combination, Loans Previously Charged Off
Business Combination, Loans Previously Charged Off
Thereafter
Time Deposit Maturities, after Year Five
Junior subordinated debt owed to unconsolidated trusts
Junior subordinated debt owed to unconsolidated trusts
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Schedule of Stock-Based Compensation Expense
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]
Long-term borrowings
Other Long-Term Debt
Total right of use assets
Leases, Right-Of-Use Asset
Leases, Right-Of-Use Asset
Forfeited (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Schedule of Gains and Losses on Debt Securities Available for Sale
Schedule of Realized Gain (Loss) [Table Text Block]
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Schedule of Amortized Cost, Unrealized or Unrecognized Gains and Losses and Fair Values of Securities Classified Available for Sale and Held to Maturity
Schedule of Available For Sale and Held to Maturity Securities Reconciliation [Table Text Block]
Tabular disclosure of the reconciliation of available-for-sale and held to maturity securities from cost basis to fair value.
Commercial mortgage-backed securities
Commercial mortgage-backed securities
Commercial Mortgage-Backed Securities [Member]
Hedging Designation [Domain]
Hedging Designation [Domain]
Appraisal of collateral or real estate listing price
Appraisal of collateral or real estate listing price
Representing information pertaining to Appraisal of collateral or real estate listing price valuation technique used to measure fair value.
Class of Stock [Domain]
Class of Stock [Domain]
Operating cash flows from finance leases
Finance Lease, Interest Payment on Liability
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Number of notes
Debt Instrument, Number Of Notes
Debt Instrument, Number Of Notes
Foreign currency exchange forward contracts
Foreign Exchange Forward [Member]
Schedule of Stock Issuances
Schedule of Stock by Class [Table Text Block]
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Axis]
Cash and Cash Equivalent [Table]
Cash and Cash Equivalent [Table]
OREO and other repossessed assets with subsequent impairment
Real Estate Acquired Through Foreclosure
CrossFirst Awards
CrossFirst Awards [Member]
CrossFirst Awards
2031
Lessee, Operating Lease, Liability, to be Paid, Year Five
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Total consideration paid
Business Combination, Consideration Transferred
Entity Filer Category
Entity Filer Category
Total
Debt securities with gross unrealized or unrecognized losses, fair value
Debt Securities, Available-for-Sale, Unrealized Loss Position
Due in one year or less
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost
Finance Leases
Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
Financial Asset, Period Past Due [Axis]
Financial Asset, Aging [Axis]
Schedule of Composition of Deposits
Schedule of Deposit Liabilities [Table Text Block]
Tabular disclosure for deposit liabilities classified by their types and nature.
Not Designated as Hedging Instrument
Not Designated as Hedging Instrument [Member]
Outstanding at beginning of year (in shares)
Outstanding at end of year (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number
Investments, Debt and Equity Securities [Abstract]
Investments, Debt and Equity Securities [Abstract]
Deposits:
Deposits [Abstract]
Stock, Class of Stock [Table]
Stock, Class of Stock [Table]
Contractually restricted by third-party service providers
Contractually Restricted By Third-Party Service Providers [Member]
Contractually Restricted By Third-Party Service Providers
Fair value recorded in other liabilities
Derivative liabilities
Derivative Liability
Revenue (net interest income plus noninterest income)
Business Combination, Pro Forma Information, Pro Forma Revenue
Long-term borrowings
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Long-Term Debt Excluding Subordinated Notes
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Long-Term Debt Excluding Subordinated Notes
Entity Address, Address Line One
Entity Address, Address Line One
Right of use assets obtained in exchange for operating lease liabilities
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Balance outstanding
Line of Credit Facility, Fair Value of Amount Outstanding
Income taxes
Income Tax Expense (Benefit)
Financial Instruments Owned and Pledged as Collateral [Line Items]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Charged-off
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Loan Restructuring Modification [Domain]
Loan Restructuring Modification [Domain]
Statement [Table]
Statement [Table]
Minimum To Be Well Capitalized
Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum
2025
2024
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year
Pre-tax costs to consummate the merger
Business Combination, Acquisition Related Costs, Legal, Professional And Consulting Fees
Business Combination, Acquisition Related Costs, Legal, Professional And Consulting Fees
Cash
Payments To Acquire Business, Gross And Other Consideration Transferred
Payments To Acquire Business, Gross And Other Consideration Transferred
Net accretable purchase accounting adjustments
Finance Receivable, Excluding Accrued Interest, Net Accretable Purchase Accounting Adjustments
Finance Receivable, Excluding Accrued Interest, Net Accretable Purchase Accounting Adjustments
Loans held for sale
Loan, Held-for-Sale, Fair Value Disclosure
Proceeds from short-term borrowings
Proceeds from Short-Term Debt
Forfeited (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Secured Overnight Financing Rate (SOFR) [Member]