Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Lessee Lease Description [Line Items]
Total operating lease costs	$ 2,300	$ 2,028
Operating lease, weighted average remaining lease term	5 years 2 months 12 days
Operating lease, weighted average discount rate, percent	4.20%
Minimum
Lessee Lease Description [Line Items]
Lease expiration year	2020
Maximum
Lessee Lease Description [Line Items]
Lease expiration year	2026