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COMMITMENTS AND CONTINGENCIES - Significant Off-balance Sheet Commitments (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Mar. 31, 2022
--- | --- | ---
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | $ 144,376 | $ 159,260
Commitments to extend credit: | Adjustable-rate |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | 12,489 | 17,125
Commitments to extend credit: | Fixed-rate |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | 18 | 2,895
Standby letters of credit |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | 1,600 | 1,780
Undisbursed loan funds and unused lines of credit |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | $ 130,269 | $ 137,460

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