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COMMITMENTS AND CONTINGENCIES - Significant Off-balance Sheet Commitments (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Mar. 31, 2021
--- | --- | ---
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | $ 159,260 | $ 149,458
Commitments to originate loans: | Adjustable-rate |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | 17,125 | 6,156
Commitments to originate loans: | Fixed-rate |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | 2,895 | 6,522
Standby letters of credit |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | 1,780 | 1,999
Undisbursed loan funds and unused lines of credit |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Total | $ 137,460 | $ 134,781

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