Investment in Joint Venture - Income statement information (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($) $ in Thousands	4 Months Ended	6 Months Ended	8 Months Ended
	Jul. 31, 2021	Sep. 30, 2022	Mar. 31, 2022
AFSW
Summary of Variable Interest Entities [Roll Forward]
Balance at the beginning	$ (1,866)		$ 0
Investment	2,490
Loss	(2,078)
Gain	1,455
Effect of exchange rate change	(1)
Balance at the end	0
GaNovation
Summary of Variable Interest Entities [Roll Forward]
Balance at the beginning		$ 143	0
Investment		1,537	2,036
Loss		(1,266)	(1,893)
Balance at the end	$ 0	$ 414	$ 143