Leases - Supplemental Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 3,827	$ 4,141
Operating cash flows from finance leases	9	17
Financing cash flows from finance leases	167	160
ROU assets obtained in exchange for lease obligations:
Operating leases	$ 614	$ 424