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v3.23.2

Short-Term Borrowings (Short-Term Borrowings) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Short-Term Debt [Line Items] |  |  |  |  |
Amount outstanding at period end | $ 1,629,538 |  | $ 1,629,538 |  | $ 1,871,271
Federal Funds Purchased [Member] |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |
Amount outstanding at period end | $ 400 |  | $ 400 |  | $ 1,850
Weighted-average interest at period end | 4.65% |  | 4.65% |  | 3.90%
Average amount outstanding during period | $ 1,287 | $ 2,735 | $ 4,829 | $ 2,562 |
Maximum amount at any month end during period | $ 400 | $ 2,350 | $ 1,850 | $ 2,350 |
Weighted-average interest rate during period | 5.17% | 0.82% | 5.12% | 0.57% |
Securities Sold under Agreements to Repurchase [Member] |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |
Amount outstanding at period end | $ 529,138 |  | $ 529,138 |  | $ 444,421
Weighted-average interest at period end | 1.25% |  | 1.25% |  | 0.53%
Average amount outstanding during period | $ 497,940 | $ 523,041 | $ 472,001 | $ 555,096 |
Maximum amount at any month end during period | $ 625,773 | $ 518,014 | $ 625,773 | $ 640,592 |
Weighted-average interest rate during period | 1.38% | 0.08% | 1.05% | 0.07% |
FHLB Borrowings [Member] |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |
Amount outstanding at period end | $ 1,100,000 |  | $ 1,100,000 |  | $ 1,425,000
Weighted-average interest at period end | 5.13% |  | 5.13% |  | 4.70%
Average amount outstanding during period | $ 1,887,363 | $ 698,407 | $ 1,766,575 | $ 898,099 |
Maximum amount at any month end during period | $ 3,000,000 | $ 1,100,000 | $ 3,100,000 | $ 1,100,000 |
Weighted-average interest rate during period | 5.10% | 0.49% | 4.93% | 0.49% |

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