Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Weighted Average Remaining Lease Term	7 years 3 months 18 days		7 years 3 months 18 days
Finance Lease, Weighted Average Remaining Lease Term	2 years 6 months		2 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	3.01%		3.01%
Finance Lease, Weighted Average Discount Rate, Percent	1.78%		1.78%
Operating Lease, Expense	$ 714	$ 743	$ 2,141	$ 2,207
Finance Lease, Right-of-Use Asset, Amortization	17	16	56	20
Finance Lease, Interest Expense	1	1	2	1
Operating Lease, Payments	682	706	2,047	2,083
Finance Lease, Payments	$ 23	$ 14	$ 54	$ 30