Income Taxes - Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Current:
U.S. federal	$ (232)	$ 362
U.S. state	124	(5)
Non-U.S.	509	1,444
Total current	401	1,801
Deferred:
U.S. federal	7,047	(6,881)
U.S. state	1,959	(940)
Non-U.S.	(48)	(6)
Total deferred	8,958	(7,827)
Total income tax expense (benefit)	$ 9,359	$ (6,026)