Loans Receivable and the Allowance for Credit Losses - Schedule of activity in the allowance for credit loss by loan segment (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Loans Receivable and the Allowance for Credit Losses | |||||
| Beginning balance | $ 4,592,000 | $ 5,127,000 | $ 4,731,000 | $ 4,830,000 | $ 4,830,000 |
| Charge-offs | (520,000) | (485,000) | (547,000) | (602,000) | (702,000) |
| Recoveries | 82,000 | 434,000 | |||
| Provision (reversal of) | 680,000 | 568,000 | 62,000 | ||
| Ending balance | 4,752,000 | 4,724,000 | 4,752,000 | 4,724,000 | 4,731,000 |
| Residential Real Estate | |||||
| Loans Receivable and the Allowance for Credit Losses | |||||
| Beginning balance | 1,520,000 | 2,224,000 | 1,646,000 | 1,900,000 | 1,900,000 |
| Provision (reversal of) | 27,000 | (245,000) | (99,000) | 79,000 | |
| Ending balance | 1,547,000 | 1,979,000 | 1,547,000 | 1,979,000 | 1,646,000 |
| Non-residential Real Estate | |||||
| Loans Receivable and the Allowance for Credit Losses | |||||
| Beginning balance | 264,000 | 271,000 | 249,000 | 308,000 | 308,000 |
| Recoveries | 350,000 | ||||
| Provision (reversal of) | (26,000) | (42,000) | (11,000) | (429,000) | |
| Ending balance | 238,000 | 229,000 | 238,000 | 229,000 | 249,000 |
| Construction | |||||
| Loans Receivable and the Allowance for Credit Losses | |||||
| Beginning balance | 2,015,000 | 1,716,000 | 2,035,000 | 1,937,000 | 1,937,000 |
| Provision (reversal of) | 173,000 | 76,000 | 153,000 | (145,000) | |
| Ending balance | 2,188,000 | 1,792,000 | 2,188,000 | 1,792,000 | 2,035,000 |
| Commercial and Industrial | |||||
| Loans Receivable and the Allowance for Credit Losses | |||||
| Beginning balance | 756,000 | 606,000 | 743,000 | 520,000 | 520,000 |
| Charge-offs | (500,000) | (500,000) | |||
| Provision (reversal of) | 489,000 | 71,000 | 502,000 | 157,000 | |
| Ending balance | 745,000 | 677,000 | 745,000 | 677,000 | 743,000 |
| Consumer | |||||
| Loans Receivable and the Allowance for Credit Losses | |||||
| Beginning balance | 37,000 | 310,000 | 58,000 | 165,000 | 165,000 |
| Charge-offs | (20,000) | (485,000) | (47,000) | (602,000) | (702,000) |
| Recoveries | 82,000 | 84,000 | |||
| Provision (reversal of) | 17,000 | 140,000 | 23,000 | 400,000 | |
| Ending balance | $ 34,000 | $ 47,000 | $ 34,000 | $ 47,000 | $ 58,000 |