Portfolio Loans Receivable and Allowance for Credit Losses - Narrative (Details) - USD ($) $ in Thousands |
Sep. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans receivable, amount | $ 2,829,510 | $ 2,637,228 |
| Commercial and Industrial | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans receivable, amount | 619,148 | 554,550 |
| Specific reserve on collateral dependent loans | 4,300 | 4,800 |
| Real estate: | Residential | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans receivable, amount | 740,060 | 688,552 |
| Specific reserve on collateral dependent loans | 8 | 147 |
| Real estate: | Commercial | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans receivable, amount | 987,519 | 943,019 |
| Specific reserve on collateral dependent loans | 1,300 | 4,100 |
| Residential Real Estate | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans receivable, amount | $ 7,800 | $ 7,200 |