Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating lease cost	$ 1,080	$ 629
Gain from extinguishment of lease liabilities	0	(2,637)
Finance lease cost
Amortization of leased assets	248	250
Interest on lease liabilities	38	48
Total lease cost (gain)	$ 1,366	$ (1,710)