LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 2,492	$ 11,127
Weighted average remaining lease term in years - operating leases	7 years 8 months 12 days	8 years 7 months 2 days
Weighted average discount rate - operating leases	4.10%	4.10%