Leases - Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ 5,987	$ 4,873
Operating cash flows for finance leases	30	8
Financing cash flows for finance leases	24	24
ROU assets obtained in exchange for lease obligations:
Operating leases	$ 1,573	2,734
Finance leases		$ 17
Weighted average remaining lease terms
Operating leases	4 years 4 months 20 days	5 years 14 days
Finance leases	1 year 5 months 8 days	2 years 1 month 28 days
Weighted average discount rates
Operating leases	10.51%	10.37%
Finance leases	4.46%	4.38%