Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2019	Dec. 31, 2019
Leases [Abstract]
Operating leases expense	$ 1,001	$ 3,017
Amortization of ROU assets	6	17
Interest on lease liabilities	2	4
Total finance lease expense	8	21
Variable lease costs	60	197
Short term lease expense	22	72
Total lease expense	$ 1,091	$ 3,307