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Commitments and Contingencies - Schedule of Total Unfunded Commitments (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Commitment And Contingencies [Line Items] |  |
Total unfunded commitments | $ 1,483,390 | $ 1,634,765
Commitments to fund loans |  |
Commitment And Contingencies [Line Items] |  |
Total unfunded commitments | 687,659 | 724,928
Credit card lines of credit |  |
Commitment And Contingencies [Line Items] |  |
Total unfunded commitments | 3,389 | 6,278
Unfunded commitments under lines of credit |  |
Commitment And Contingencies [Line Items] |  |
Total unfunded commitments | 778,093 | 890,530
Commercial and standby letters of credit |  |
Commitment And Contingencies [Line Items] |  |
Total unfunded commitments | $ 14,249 | $ 13,029

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