Investment in Joint Venture - Income statement information (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($) $ in Thousands	3 Months Ended	4 Months Ended	8 Months Ended
	Jun. 30, 2022	Jul. 31, 2021	Mar. 31, 2022
Aizu Fujitsu Semiconductor Wafer Solution Limited (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	(1,866)
GoNovation
Summary of Variable Interest Entities [Roll Forward]
Balance at the beginning	143		0
Investment	778		2,036
Loss	(582)		(1,893)
Balance at the end	$ 339	$ 0	$ 143