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EMPLOYEE BENEFIT PLANS - Additional Information (Details) - USD ($) | 12 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of stock options granted | 0 | 0 | 0
Stock options | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 0 years |  |
Stock options | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 5 years |  |
Restricted stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unrecognized compensation expense | $ 440,000 | $ 401,000 |
Stock based Compensation Expense | $ 390,000 | $ 319,000 | $ 352,000
Number of stock awards granted | 71,696 | 69,285 |
Restricted stock | Weighted average |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 1.12 |  |
Vesting period |  | 1 year 6 months 10 days |
Performance Based |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of stock awards granted | 56,125 | 54,011 |
Time Based |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of stock awards granted | 15,571 | 15,274 |
Retirement Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Expenses related to plan | $ 519,000 | $ 529,000 | $ 525,000
Directors' and Executive Officers' Deferred Compensation Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Deferred compensation plan annual interest rate | 2.98% | 2.97% | 3.61%
Aggregate liability under the plan | $ 326,000 | $ 237,000 |
Stock Option Plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Maximum term | 10 years |  |
Number of shares reserved for common stock | 1,800,000 |  |
Unrecognized compensation expense | $ 0 |  |
Stock based Compensation Expense | 0 | 0 | $ 0
Total intrinsic value of stock options exercised | $ 7,000 | $ 25,000 | $ 68,000

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