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Short-Term Borrowings - Components and Selected Information (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2020 | Dec. 31, 2021 | Nov. 30, 2021
Short-term borrowings |  |  |  |
Short-term borrowings | $ 75,000 |  |  |
Weighted-average interest rate paid (as a percent) |  | 2.88% |  |
Federal Home Loan Bank Advances [Member] |  |  |  |
Short-term borrowings |  |  |  |
Available remaining borrowing capacity | 2,500,000 |  | $ 1,800,000 |
Federal Reserve Bank Advances [Member] |  |  |  |
Short-term borrowings |  |  |  |
Available remaining borrowing capacity | 1,200,000 |  | $ 1,100,000 |
Federal Funds Purchased [Member] |  |  |  |
Short-term borrowings |  |  |  |
Short-term borrowings | $ 75,000 |  |  |
Weighted-average interest rate (as a percent) | 4.35% |  |  |
Highest month-end balance | $ 75,000 |  |  |
Average outstanding balance | $ 11,521 | $ 1,366 |  |
Weighted-average interest rate paid (as a percent) | 4.08% | 0.43% |  |
Federal Home Loan Bank Advances [Member] |  |  |  |
Short-term borrowings |  |  |  |
Long-term borrowings |  |  |  | $ 200,000
Incurred fees related to early termination |  |  |  | $ 9,000
Weighted-average interest rate (as a percent) |  |  |  | 2.73%
Highest month-end balance |  | $ 400,000 |  |
Average outstanding balance |  | $ 208,197 |  |

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