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STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2023 | Jul. 31, 2022 | Jun. 20, 2023 | Jun. 23, 2020
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
Cash dividends deemed paid on shares |  |  | 1,354 |  |  |
Percentage Reduction In The Aggregate Fair Value Of Stock Option |  |  | 88.50% |  |  |
Stock compensation expense | $ 1,200 | $ 1,100 | $ 2,218 | $ 1,979 |  |
Unrecognized compensation cost | 7,200 |  | $ 7,200 |  |  |
Compensation expense recognize, period |  |  | 3 years |  |  |
Intrinsic value of the stock options exercised |  |  | $ 900 |  |  |
Intrinsic value of outstanding stock options | 1,900 |  | 1,900 |  |  |
Intrinsic value of exercisable stock options | $ 1,800 |  | $ 1,800 |  |  |
Period used for calculations |  |  | 5 years |  |  |
Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
Period used for calculations |  |  | 3 years |  |  |
Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
Period used for calculations |  |  | 5 years |  |  |
2020 Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
Number of shares of common stock reserved for issuance |  |  |  |  | 500,000 | 500,000
Employee Stock Option [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
Initial vesting percentage |  |  | 33.33% |  |  |
Period to become exercisable |  |  | 3 years |  |  |
Number of shares of common stock reserved for issuance | 2,325,701 |  | 2,325,701 |  |  |
Number of shares of common stock available for award | 586,225 |  | 586,225 |  |  |
Performance-based restricted stock units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
The number of shares issuable under restricted stock units awarded during the period | 6,000 | 23,500 | 6,000 | 23,500 |  |
Earnings per share performance-based restricted stock units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
The number of shares issuable under restricted stock units awarded during the period | 15,000 |  | 15,000 |  |  |
ISOs/NSOs | Stock Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
Incentive stock option award maximum expiration period |  |  | 10 years |  |  |
Restricted Stock Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
Incentive stock option award maximum expiration period |  |  | 3 years |  |  |
Renewable Performance-Based Restricted Stock Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
The number of shares issuable under restricted stock units awarded during the period | 7,500 | 7,500 | 7,500 | 7,500 |  |
Time Based Restricted Stock Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
The number of shares issuable under restricted stock units awarded during the period | 45,300 | 60,000 | 45,300 | 60,000 |  |
Senior executives | Performance-based restricted stock units | Stock Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |
Period to become exercisable |  |  | 3 years |  |  |
Percentage of the maximum shares for the target number of shares awarded |  |  | 50.00% |  |  |

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