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Borrowings (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Jul. 26, 2016 | Aug. 05, 2014
Short-term Debt [Line Items] |  |  |  |
Total short-term borrowings | $ 1,010,101 | $ 323,918 |  |
Average daily balance short-term borrowings | 203,462 | 324,887 |  |
Maximum month-end balance short-term borrowings | 1,032,954 | 329,401 |  |
Total long-term borrowings | 69,794 | 69,670 |  |
Subordinated Notes |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total long-term borrowings | 69,794 | 69,670 |  |
Average daily balance long-term borrowings | 69,737 | 156,340 |  |
Maximum month-end balance long-term borrowings | $ 69,794 | $ 218,081 |  |
Interest rate, stated percentage | 5.75% | 5.84% | 5.00% | 5.75%
Average interest rate | 5.75% | 6.39% |  |
Month-end interest rate | 5.75% | 5.36% |  |
Borrowings |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Average daily balance long-term borrowings | $ 0 | $ 8,630 |  |
Maximum month-end balance long-term borrowings | $ 0 | $ 50,000 |  |
Average interest rate | 0.00% | 1.84% |  |
Month-end interest rate | 0.00% | 1.84% |  |
Customer repurchase agreements and federal funds purchased |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total short-term borrowings | $ 35,100 | $ 23,918 |  |
Average daily balance short-term borrowings | 30,745 | 24,887 |  |
Maximum month-end balance short-term borrowings | $ 57,953 | $ 29,401 |  |
Interest rate, stated percentage | 2.55% | 0.20% |  |
Average interest rate | 1.16% | 0.20% |  |
Month-end interest rate | 2.63% | 0.20% |  |
Federal Home Loan Bank – current portion |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Total short-term borrowings | $ 975,001 | $ 300,000 |  |
Average daily balance short-term borrowings | 172,717 | 300,000 |  |
Maximum month-end balance short-term borrowings | $ 975,001 | $ 300,000 |  |
Interest rate, stated percentage | 4.29% | 0.67% |  |
Average interest rate | 2.30% | 0.67% |  |
Month-end interest rate | 4.57% | 0.67% |  |

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