Investment in Joint Venture - Investment activities (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Summary of Variable Interest Entities [Roll Forward]
Ending Balance	$ 4,600		$ 4,600
GaNovation
Summary of Variable Interest Entities [Roll Forward]
Beginning Balance	414	$ 89	143
Investment	1,032	684	2,569
Loss	(799)	(712)	(2,065)
Gain	0	0	0
Effect of exchange rate change	0	0	0
Ending Balance	$ 647	61	$ 647	$ 61
AFSW
Summary of Variable Interest Entities [Roll Forward]
Beginning Balance				(1,866)
Investment				3,765
Loss				(3,294)
Gain				1,455
Effect of exchange rate change				1
Ending Balance		$ 61		$ 61