COMMITMENTS AND CONTINGENCIES - Significant Off-balance Sheet Commitments (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] | ||
| Total | $ 131,524 | $ 102,648 |
| Commitments to extend credit | Adjustable-rate | ||
| Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] | ||
| Total | 7,187 | 4,384 |
| Commitments to extend credit | Fixed-rate | ||
| Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] | ||
| Total | 2 | 1,114 |
| Standby letters of credit | ||
| Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] | ||
| Total | 1,600 | 1,600 |
| Undisbursed loan funds and unused lines of credit | ||
| Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] | ||
| Total | $ 122,735 | $ 95,550 |