Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Leases [Abstract]
Operating cash flows used for operating leases	$ 2,922
Operating cash flows used for finance leases	30
Financing cash flows used for finance leases	367	$ 0
Cash paid for amounts included in the measurement of lease liabilities	3,319
Operating leases	1,975
Finance leases	405
Lease liabilities arising from obtaining ROU assets	$ 2,380