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Loans and Lease Receivables and Allowance for Credit Losses - Additional Information (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Total loans and leases | $ 6,893,522,000 | $ 6,671,526,000 |  |
Allowance for loan and lease losses | 97,988,000 | 101,686,000 | $ 81,924,000 | $ 55,012,000
Loans held for sale pledged as security for borrowings | 2,000,000,000 | 2,200,000,000 |  |
Financing Receivable, Revolving, Converted to Term Loan | 67,300,000 | 52,200,000 |  |
Acquired Impaired Loans |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan and lease losses | 4,200,000 | 10,000,000 |  |
Acquired Non Impaired Loans [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan and lease losses | 3,400,000 | 4,700,000 |  |
Installment and Other |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Total loans and leases | 3,901,000 | 3,138,000 |  |
Allowance for loan and lease losses | 45,000 | 36,000 | $ 24,000 | $ 9,000
Overdraft deposits reclassified as loans | 1,000,000 | 754,000 |  |
U.S. Government Guaranteed Loans |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Discount on the unguaranteed portion of government guaranteed loans | 25,600,000 | 26,200,000 |  |
Total loans and leases | $ 97,600,000 | $ 93,300,000 |  |

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