Leases-Lease Liability, Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Apr. 01, 2019	Mar. 31, 2019
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	$ 685
Lessee, Operating Lease, Liability, Payments, Due Year Two	2,701
Lessee, Operating Lease, Liability, Payments, Due Year Three	2,600
Lessee, Operating Lease, Liability, Payments, Due Year Four	2,462
Lessee, Operating Lease, Liability, Payments, Due Year Five	2,535
Lessee, Operating Lease, Liability, Payments, Due after Year Five	10,231
Lessee, Operating Lease, Liability, Payments, Due	21,214
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(2,514)
Operating lease liability	18,700	$ 20,335	$ 0
Finance Lease, Liability, Payment, Due [Abstract]
Finance Lease, Liability, Payments, Due Next Twelve Months	18
Finance Lease, Liability, Payments, Due Year Two	69
Finance Lease, Liability, Payments, Due Year Three	69
Finance Lease, Liability, Payments, Due Year Four	28
Finance Lease, Liability, Payments, Due Year Five	8
Finance Lease, Liability, Payments, Due after Year Five	0
Finance Lease, Liability, Payment, Due	192
Finance Lease, Liability, Undiscounted Excess Amount	(5)
Finance Lease, Liability	$ 187