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v3.23.3

Short-Term Borrowings (Short-Term Borrowings) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Short-Term Debt [Line Items] |  |  |  |  |
Amount outstanding at period end | $ 1,425,928 |  | $ 1,425,928 |  | $ 1,871,271
Federal Funds Purchased [Member] |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |
Amount outstanding at period end | $ 350 |  | $ 350 |  | $ 1,850
Weighted-average interest at period end | 4.90% |  | 4.90% |  | 3.90%
Average amount outstanding during period | $ 7,665 | $ 28,861 | $ 5,785 | $ 11,425 |
Maximum amount at any month end during period | $ 350 | $ 1,850 | $ 1,850 | $ 2,350 |
Weighted-average interest rate during period | 6.16% | 2.59% | 5.58% | 2.29% |
Securities Sold under Agreements to Repurchase [Member] |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |
Amount outstanding at period end | $ 525,578 |  | $ 525,578 |  | $ 444,421
Weighted-average interest at period end | 1.46% |  | 1.46% |  | 0.53%
Average amount outstanding during period | $ 538,167 | $ 516,546 | $ 494,298 | $ 542,105 |
Maximum amount at any month end during period | $ 525,578 | $ 541,131 | $ 625,773 | $ 640,592 |
Weighted-average interest rate during period | 1.64% | 0.13% | 1.27% | 0.09% |
FHLB Borrowings [Member] |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |
Amount outstanding at period end | $ 900,000 |  | $ 900,000 |  | $ 1,425,000
Weighted-average interest at period end | 5.45% |  | 5.45% |  | 4.70%
Average amount outstanding during period | $ 765,217 | $ 405,163 | $ 1,429,121 | $ 731,982 |
Maximum amount at any month end during period | $ 900,000 | $ 1,000,000 | $ 3,100,000 | $ 1,100,000 |
Weighted-average interest rate during period | 5.39% | 2.34% | 5.01% | 0.84% |

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