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Loans - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Deferred loan costs | $ 21,200,000 |  | $ 21,200,000 |  | $ 21,900,000
Nonaccrual interest income | 0 | $ 0 | 0 | $ 0 |
Repossessed assets | 1,200,000 |  | 1,200,000 |  |
Consumer |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Net investment in which foreclosure proceedings have commenced | 400,000 |  | 400,000 |  |
Minimum |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Loans with an aggregate credit exposure | 3,000,000 |  | $ 3,000,000 |  |
Loans classified as TDR after a period (in days) |  |  | 90 days |  |
Minimum | Good Pass |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Number of consecutive years of profit for good pass rating (in years) |  |  | 3 years |  |
Number of consecutive years of profit unaudited financial information for good pass rating (in years) |  |  | 5 years |  |
Number of years of satisfactory relationship with bank for good pass rating (in years) |  |  | 5 years |  |
Maximum |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Loans with an aggregate credit exposure | $ 6,000,000 |  | $ 6,000,000 |  |
Loans classified as TDR after a period (in days) |  |  | 120 days |  |
Maximum | Satisfactory Pass |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Minimum number of years of satisfactory repayment required for satisfactory pass rating (in years) |  |  | 2 years |  |

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