LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2021
Leases [Abstract]
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 113	$ 1,794
Weighted average remaining lease term in years - operating leases	7 years 4 months 13 days		7 years 8 months 12 days
Weighted average discount rate - operating leases	4.10%		4.10%