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