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v3.25.3

Short Term Borrowings (Narrative) (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Short-Term Debt [Line Items] |  |
Short-term borrowings | $ 1,891,520,000 | $ 639,015,000
Securities sold under agreements to repurchase | 616,200,000 | 638,700,000
Federal funds purchased |  | 300,000
FHLB Borrowings [Member] |  |
Short-Term Debt [Line Items] |  |
Short-term borrowings | $ 1,300,000,000 | $ 0
Short-term borrowings, weighted average interest rate | 4.22% |
FHLB Borrowings [Member] | Fixed Rate Notes One [Member] |  |
Short-Term Debt [Line Items] |  |
Short-term borrowings, maturity date | Oct. 01, 2025 |
FHLB Borrowings [Member] | Fixed Rate Notes Two [Member] |  |
Short-Term Debt [Line Items] |  |
Short-term borrowings, maturity date | Nov. 03, 2025 |
FHLB Borrowings [Member] | Fixed Rate Notes Three [Member] |  |
Short-Term Debt [Line Items] |  |
Short-term borrowings, maturity date | Dec. 01, 2025 |

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