Leases - Summary of Components of Lease Expenses (Details) - USD ($)	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Operating lease expense	$ 3,612,000	$ 3,709,000
Finance lease expense	25,000	0
Short-term lease expense	35,000	151,000
Variable lease expense	387,000	225,000
Total lease expenses	$ 4,059,000	$ 4,085,000