| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
| Financial Assets | | Level 1 | | | Level 2 | | | Level 3 | | | Total | |
| | | (Dollars in thousands) | |
| Available for Sale Securities | | | | | | | | | | | | | | | | |
| As of March 31, 2026 | | | | | | | | | | | | | | | | |
| Corporate debt obligations | | $ | — | | | $ | 505 | | | $ | — | | | $ | 505 | |
| Residential mortgage-backed securities | | | — | | | | 3,861 | | | | — | | | | 3,861 | |
| Total | | $ | — | | | $ | 4,366 | | | $ | — | | | $ | 4,366 | |
| As of December 31, 2025 | | | | | | | | | | | | | | | | |
| Corporate debt obligations | | $ | — | | | $ | 500 | | | $ | — | | | $ | 500 | |
| Residential mortgage-backed securities | | | — | | | | 4,246 | | | | — | | | | 4,246 | |
| Total | | $ | — | | | $ | 4,746 | | | $ | — | | | $ | 4,746 | |
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| Fair Value Measurements, Nonrecurring [Table Text Block] |
| Financial Assets | | Level 1 | | | Level 2 | | | Level 3 | | | Total | |
| | | (Dollars in thousands) | |
| As of March 31, 2026 | | | | | | | | | | | | | | | | |
| Collateral-dependent loans | | $ | — | | | $ | — | | | $ | 3,087 | | | $ | 3,087 | |
| OREO | | | — | | | | — | | | | 2,862 | | | | 2,862 | |
| As of December 31, 2025 | | | | | | | | | | | | | | | | |
| Collateral-dependent loans | | $ | — | | | $ | — | | | $ | 2,672 | | | $ | 2,672 | |
| OREO | | | — | | | | — | | | | 2,862 | | | | 2,862 | |
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| Fair Value, by Balance Sheet Grouping [Table Text Block] |
| | | Carrying | | | Fair Value | |
| March 31, 2026 | | Amount | | | Total | | | Level 1 | | | Level 2 | | | Level 3 | |
| | | (Dollars in thousands) | |
| Financial Assets: | | | | | | | | | | | | | | | | | | | | |
| Investment securities HTM | | $ | 8,760 | | | $ | 7,362 | | | $ | — | | | $ | 7,362 | | | $ | — | |
| Loans, net | | | 2,008,375 | | | | 2,020,336 | | | | — | | | | 2,010,930 | | | | 9,406 | |
| | | | | | | | | | | | | | | | | | | | | |
| Financial Liabilities: | | | | | | | | | | | | | | | | | | | | |
| Time deposits | | $ | 623,844 | | | $ | 623,928 | | | $ | — | | | $ | 623,928 | | | $ | — | |
| Borrowings | | | 153,403 | | | | 152,276 | | | | — | | | | 152,276 | | | | — | |
| | | Carrying | | | Fair Value | |
| December 31, 2025 | | Amount | | | Total | | | Level 1 | | | Level 2 | | | Level 3 | |
| | | (Dollars in thousands) | |
| Financial Assets: | | | | | | | | | | | | | | | | | | | | |
| Investment securities HTM | | $ | 8,777 | | | $ | 7,487 | | | $ | — | | | $ | 7,487 | | | $ | — | |
| Loans, net | | | 2,000,578 | | | | 2,020,810 | | | | — | | | | 2,010,017 | | | | 10,793 | |
| | | | | | | | | | | | | | | | | | | | | |
| Financial Liabilities: | | | | | | | | | | | | | | | | | | | | |
| Time deposits | | $ | 661,833 | | | $ | 662,947 | | | $ | — | | | $ | 662,947 | | | $ | — | |
| Borrowings | | | 143,403 | | | | 145,748 | | | | — | | | | 145,748 | | | | — | |
|