Leases - Supplemental Cash Flow Information Related to Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 5,297	$ 3,014	$ 11,561	$ 8,494
Operating lease assets obtained in exchange for operating lease liabilities		$ 534	$ 3,107	$ 5,858