Leases - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows used in operating leases	$ 9,018	$ 9,300
Operating cash flows used in finance leases	753	1,196
Financing cash flows used in finance leases	3,885	4,647
ROU assets obtained in exchange for lease liabilities
Operating leases	5,093	2,455
Finance leases	$ 416	$ 795