Leases - Components of Lease Expense (Details) $ in Thousands	12 Months Ended
	Mar. 31, 2020 USD ($)
Leases [Abstract]
Operating leases expense	$ 4,193
Amortization of ROU assets	23
Interest on lease liabilities	6
Total finance lease expense	29
Variable lease costs	271
Short term lease expense	88
Total lease expense	$ 4,581