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v3.25.4

Loans and Allowance for Credit Losses (Narrative) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2025 USD ($) Loan | Dec. 31, 2024 USD ($) Loan | Dec. 31, 2023 USD ($) Loan
Accounts Notes And Loans Receivable [Line Items] |  |  |
Accrued interest | $ 105,100,000 | $ 109,800,000 |
Related party balances of loans | 38,900,000 | 46,200,000 |
Related party new loans | 23,100,000 |  |
Related party repayments | 30,200,000 |  |
Net increase related to related party | (200,000) |  |
Short-term borrowings | $ 1,017,292,000 | $ 639,015,000 |
Percentage of baseline economic forecast | 50.00% |  |
Weighted average percentage of forecast |  | 40.00% | 40.00%
Loans held for sale (includes $33,158 and $18,929 measured at fair value) | $ 33,158,000 | $ 21,525,000 |
Nonaccrual loans | 106,870,000 | 97,335,000 |
Real estate in process of foreclosure | 33,200,000 | 21,500,000 |
Modified Loans To Borrowers Experiencing Financial Difficulty [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Nonaccrual loans | 5,800,000 | 20,200,000 |
Accruing and nonaccruing | 162,800,000 |  |
Unfunded commitment to borrowers related to MEFD or TDR | $ 7,200,000 | 6,900,000 |
Troubled Debt Restructurings [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Accruing and nonaccruing |  | $ 99,500,000 |
Downside Recessionary S-2 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Weighted average percentage of forecast |  | 60.00% | 60.00%
Downside Mild Recessionary S-2 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Percentage of baseline economic forecast | 50.00% |  |
FHLB Borrowings [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Short-term borrowings | $ 400,000,000 | $ 0 |
Energy Related Loans [Member] | Weighted Average [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Weighted average interest rate reduction, basis points | 2.40% |  |
Residential Mortgages [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Nonaccrual loans | $ 46,986,000 | $ 44,086,000 |
Number of contracts subsequently defaulted | Loan |  | 3 |
Recorded Investment |  | $ 800,000 |
Loans carried at fair value option | 33,200,000 | 18,900,000 |
Unpaid principal balance | $ 32,300,000 | $ 18,600,000 |
Residential Mortgages [Member] | Weighted Average [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Weighted average interest rate reduction, basis points |  |  | 0.80%
Residential Mortgages [Member] | Weighted Average [Member] | Term Extension [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Reportable modification period | 2 years | 6 years | 10 years
Residential Mortgages [Member] | Weighted Average [Member] | Other Than Insignificant Payment Delays [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Reportable modification period | 8 months |  |
Consumer [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Nonaccrual loans | $ 10,703,000 | $ 11,187,000 |
Number of contracts subsequently defaulted | Loan | 2 |  |
Recorded Investment | $ 200,000 |  |
Real estate in process of foreclosure | 12,000,000 | 10,500,000 |
Real estate acquired through foreclosure | $ 5,100,000 | $ 2,000,000 |
Consumer [Member] | Weighted Average [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Weighted average interest rate reduction, basis points | 1.25% |  |
Consumer [Member] | Weighted Average [Member] | Term Extension [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Reportable modification period | 3 years | 4 years | 8 years
Consumer [Member] | Weighted Average [Member] | Other Than Insignificant Payment Delays [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Reportable modification period | 7 months |  |
Commercial Portfolio Segment [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Number of contracts subsequently defaulted | Loan | 7 | 7 | 1
Recorded Investment | $ 27,600,000 | $ 20,800,000 | $ 4,400,000
Commercial Portfolio Segment [Member] | Weighted Average [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Weighted average interest rate reduction, basis points |  | 0.50% |
Commercial Portfolio Segment [Member] | Weighted Average [Member] | Term Extension [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Reportable modification period | 10 months | 9 months | 10 months
Commercial Portfolio Segment [Member] | Weighted Average [Member] | Other Than Insignificant Payment Delays [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Reportable modification period | 6 months | 8 months | 3 months
Total Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Nonaccrual loans | $ 41,248,000 | $ 36,145,000 |
Commercial Non Real Estate [Member] | Total Commercial And Industrial [Member] | Commercial Portfolio Segment [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Nonaccrual loans | $ 34,525,000 | $ 33,418,000 |

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