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Loans and Allowance for Credit Losses - Additional information (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) loan | Jun. 30, 2023 USD ($) loan | Jun. 30, 2024 USD ($) loan | Jun. 30, 2023 USD ($) loan | Dec. 31, 2023 USD ($)
Loans and Allowance for Credit Losses |  |  |  |  |
Accrued interest receivable on loans | $ 11.6 |  | $ 11.6 |  | $ 11.8
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Interest Receivable |  | Interest Receivable |  | Interest Receivable
Number of loans modified | loan | 0 | 0 | 0 | 1 |
Aggregate outstanding balances of troubled debt restructurings |  | $ 9.8 |  | $ 9.8 |
Forgiveness of principal |  |  | $ 0.0 |  |

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