Loans and Leases - Summary of Pledged Securities (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Loans | [1] | $ 6,840,809 | $ 6,756,907 | |
| Loans pledged to FHLB | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Loans | 832,656 | 861,722 | ||
| Loans pledged to FHLB | Asset Pledged as Collateral | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Loans | 1,219,389 | 1,347,242 | ||
| Loans pledged to FRB | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Loans | 1,724,108 | 1,535,755 | ||
| Loans pledged to FRB | Asset Pledged as Collateral | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Loans | $ 654,487 | $ 624,503 | ||
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