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Investment in Aizu Fujitsu Semiconductor Wafer Solution Limited ("AFSW") - Narrative (Details)
$ in Thousands
9 Months Ended 12 Months Ended
Aug. 01, 2021
JPY (¥)
Jul. 31, 2021
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Mar. 31, 2021
USD ($)
Apr. 01, 2020
Mar. 31, 2020
USD ($)
Joint Venture Company In Singapore              
Variable Interest Entity [Line Items]              
Ownership percentage       75.00%      
GaNovation | Aizu Fujitsu Semiconductor Wafer Solution Limited (AFSW)              
Variable Interest Entity [Line Items]              
Percentage of voting interest acquired   100.00%          
Aizu Fajitsu Semiconductor Wafer Solution Limited              
Variable Interest Entity [Line Items]              
Ownership percentage in entity 25.00% 49.00% 49.00%        
Gain on termination of JVA and settlement of obligation     $ 1,500        
Additional financial support provided to investment     3,765 $ 5,800 $ 6,768    
Unfunded commitment     $ 61   $ (1,866)   $ (1,546)
Aizu Fajitsu Semiconductor Wafer Solution Limited | GaNovation              
Variable Interest Entity [Line Items]              
Percentage of ownership acquired 49.00%            
Payment for acquisition | ¥ ¥ 1            
Fujitsu Semiconductor Limited              
Variable Interest Entity [Line Items]              
Purchase of additional interest           51.00%