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v3.26.1

Short Term Borrowings (Narrative) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2026 | Dec. 31, 2025
Short-Term Debt [Line Items] |  |
Short-term borrowings | $ 1,360,451,000 | $ 1,017,292,000
Securities sold under agreements to repurchase | 660,100,000 | 546,900,000
Federal funds purchased | 300,000 | 70,400,000
FHLB Borrowings [Member] |  |
Short-Term Debt [Line Items] |  |
Short-term borrowings | $ 700,000 | $ 400,000,000
Short-term borrowings, weighted average interest rate | 3.83% |
Short-term borrowings, maturity date | Aug. 31, 2026 | Jan. 02, 2026
Debt Instrument, Interest Rate, Stated Percentage |  | 3.62%

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