Leases and Other Commitments - Schedule of Supplemental Lease Information (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Weighted-average remaining lease term in years	6 years 3 months 18 days	6 years 3 months 18 days
Weighted-average discount rate	3.30%	3.30%
Right-of-use assets obtained in exchange for lease liabilities	$ 520	$ 28,657
Reductions to right-of-use assets resulting from reductions to lease liabilities	$ (1,412)	$ (6,081)