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Leases (Lease Cost) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Lease, Cost [Abstract]        
Operating lease cost (cost resulting from lease payments) $ 495 $ 612 $ 1,008 $ 1,271
Short term lease cost 6 40 10 43
Sublease income   (3)   (6)
Net lease cost $ 501 $ 649 $ 1,018 $ 1,308