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Commitments and Contingent Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Commitments to extend credit |  |
Schedule of Commitments [Line Items] |  |
Off-balance sheet financial instruments, contractual amounts | $ 2,937,760 | $ 3,113,966
Letters of credit |  |
Schedule of Commitments [Line Items] |  |
Off-balance sheet financial instruments, contractual amounts | $ 107,082 | 68,544
Letters of credit | Minimum |  |
Schedule of Commitments [Line Items] |  |
Remaining term | 1 month |
Letters of credit | Maximum |  |
Schedule of Commitments [Line Items] |  |
Remaining term | 9 years |
Tax credits |  |
Schedule of Commitments [Line Items] |  |
Off-balance sheet financial instruments, contractual amounts | $ 3,514 | 4,075
Limited partnership commitments |  |
Schedule of Commitments [Line Items] |  |
Off-balance sheet financial instruments, contractual amounts | 32,548 | 35,090
Unadvanced Commitment on Impaired Loan |  |
Schedule of Commitments [Line Items] |  |
Estimated losses attributable to unadvanced commitments on impaired loans | 6,600 | 12,100
Fixed Rate Loan Commitment | Commitments to extend credit |  |
Schedule of Commitments [Line Items] |  |
Off-balance sheet financial instruments, contractual amounts | $ 191,600 | $ 246,500

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