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ALLOWANCE FOR LOAN LOSSES - Impaired Loans, Average Recorded Investment and Interest Recognized (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Average Recorded Investment | $ 676 |  |
Interest Recognized on Impaired Loans | 24 |  |
Average Recorded Investment |  | $ 1,284 | $ 4,658
Interest Recognized on Impaired Loans |  | 40 | 207
Commercial Real Estate Portfolio Segment | Commercial Business |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Average Recorded Investment | 90 |  |
Average Recorded Investment |  | 110 | 130
Commercial Real Estate Portfolio Segment | Commercial Real Estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Average Recorded Investment | 111 |  |
Average Recorded Investment |  | 660 | 2,008
Interest Recognized on Impaired Loans |  | 16 | 61
Commercial Real Estate Portfolio Segment | Land |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Average Recorded Investment |  |  | 713
Interest Recognized on Impaired Loans |  |  | 40
Commercial Real Estate Portfolio Segment | Multi-Family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Average Recorded Investment |  |  | 1,313
Interest Recognized on Impaired Loans |  |  | 77
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Average Recorded Investment | 475 |  |
Interest Recognized on Impaired Loans | $ 24 |  |
Average Recorded Investment |  | 514 | 494
Interest Recognized on Impaired Loans |  | $ 24 | $ 29

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