Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating Lease, Weighted Average Remaining Lease Term	7 years 4 months 24 days		7 years 4 months 24 days
Finance Lease, Weighted Average Remaining Lease Term	2 years 9 months 18 days		2 years 9 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent	3.00%		3.00%
Finance Lease, Weighted Average Discount Rate, Percent	1.78%		1.78%
Operating Lease, Expense	$ 714	$ 735	$ 1,428	$ 1,464
Finance Lease, Right-of-Use Asset, Amortization	18	5	38	5
Finance Lease, Interest Expense	1	0	1	0
Operating Lease, Payments	682	691	1,365	1,377
Finance Lease, Payments	$ 14	$ 16	$ 31	$ 16