STOCK BASED COMPENSATION PLANS - Summary of Restricted Stock Outstanding (Details) - Restricted Stock - $ / shares	6 Months Ended	12 Months Ended
	Sep. 30, 2022	Mar. 31, 2022
2010 Plan and 2021 Employee Plan
Number of Shares
Beginning balance (in shares)	395,993
Granted (in shares)	199,042
Vested (in shares)	(93,677)
Forfeited (in shares)	(2,500)
Ending balance (in shares)	498,858	395,993
Weighted Average Fair Value Per Share at grant date
Beginning balance (in dollars per share)	$ 21.48
Granted (in dollars per share)	21.25
Vested (in dollars per share)	20.90
Forfeited (in dollars per share)	23.81
Ending balance (in dollars per share)	$ 21.48	$ 21.48
Weighted Average Remaining Vesting Term (in Years)
Weighted-average vesting term	2 years 7 months 6 days	2 years 4 months 24 days
Granted	3 years 8 months 12 days
Non-Employee Director Plan
Number of Shares
Beginning balance (in shares)	0
Granted (in shares)	12,105
Vested (in shares)	0
Forfeited (in shares)	0
Ending balance (in shares)	12,105	0
Weighted Average Fair Value Per Share at grant date
Beginning balance (in dollars per share)	$ 0
Granted (in dollars per share)	20.66
Vested (in dollars per share)	0
Forfeited (in dollars per share)	0
Ending balance (in dollars per share)	$ 20.66	$ 0
Weighted Average Remaining Vesting Term (in Years)
Weighted-average vesting term	10 months 24 days
Granted	10 months 24 days