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STOCK BASED COMPENSATION PLANS - Narrative (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jul. 18, 2021 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Share-based compensation expense |  | $ 4,518,000 | $ 3,705,000 | $ 3,585,000
Restricted Stock |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Weighted-average vesting period |  | 2 years 3 months 18 days |  |
Share-based compensation expense |  | $ 4,500,000 | 3,700,000 | $ 3,600,000
Non-vested restricted stock awards |  | $ 8,300,000 |  |
Restricted Stock | 2010 Plan |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Vesting period |  | 4 years |  |
Right to grant period | 10 years |  |  |
Restricted Stock | 2021 Employee Plan |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Available for issuance (in shares) | 1,200,000 |  |  |
Remaining number of shares authorized (in shares) |  | 722,267 |  |
Restricted Stock | Non-Employee Director Plan |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Vesting period |  | 1 year |  |
Available for issuance (in shares) |  | 120,000 |  |
Remaining number of shares authorized (in shares) |  | 96,695 |  |
Term of service |  | 1 year |  |
Grant market value |  | $ 50,000 |  |
Weighted-average vesting period |  | 1 year |  |
Share-based compensation expense |  | $ 300,000 | $ 200,000 |

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