Leases - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Leases [Abstract]
Operating lease cost	$ 1,631	$ 1,228	$ 1,895
Short-term lease cost	198	721
Total lease cost	$ 1,829	$ 1,949	$ 1,895