Leases Supplemental information related to leases (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of operating lease liabilities	$ 4,213	$ 7,259
Right-of-use assets obtained in exchange for new operating leases	$ 3,633	$ 4,101
Weighted Average Remaining Lease Term (years)	6 years 1 month 24 days	6 years 1 month 24 days
Weighted Average Collateralized Incremental Borrowing Rate	4.75%	4.75%