Borrowings - Schedule of FHLB Advances (Details) - USD ($) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
|
| Debt Disclosure [Abstract] | ||
| Balance at period-end | $ 0 | $ 0 |
| Average daily balance during the period | $ 3,663,000 | $ 9,589,000 |
| Average interest rate during the period | 3.87% | 4.36% |
| Maximum month-end balance during the period | $ 125,000,000 | $ 100,000,000 |
| Weighted average interest rate at period-end | 0.00% | 0.00% |