Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Lessee Lease Description [Line Items]
Total operating lease costs	$ 2,751	$ 2,027	$ 5,051	$ 4,055
Operating lease, weighted average remaining lease term	5 years		5 years
Operating lease, weighted average discount rate, percent	4.20%		4.20%
Minimum
Lessee Lease Description [Line Items]
Lease expiration year			2020
Maximum
Lessee Lease Description [Line Items]
Lease expiration year			2026