LEASES - Supplemental Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021
Leases [Abstract]
Operating lease right-of-use asset	$ 8,565	$ 9,383
Other accrued liabilities	$ 2,375	$ 2,581
Operating Lease, Liability, Current, Statement of Financial Position	us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent
Operating lease liabilities	$ 7,282	$ 8,005
Total operating lease liabilities	$ 9,657	$ 10,586