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Investment in Joint Venture - Narrative (Details)
$ in Thousands
3 Months Ended 4 Months Ended 8 Months Ended 12 Months Ended
Aug. 01, 2021
JPY (¥)
Mar. 31, 2021
USD ($)
Jul. 31, 2021
USD ($)
Mar. 31, 2022
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2020
USD ($)
Aug. 01, 2021
USD ($)
Apr. 01, 2020
Dec. 31, 2019
USD ($)
Variable Interest Entity [Line Items]                  
Term of maximum funding obligations or investment 3 years                
JCP Capital Management                  
Variable Interest Entity [Line Items]                  
Term of maximum funding obligations or investment 3 years                
Aizu Fujitsu Semiconductor Wafer Solution Limited (AFSW) | GaNovation                  
Variable Interest Entity [Line Items]                  
Percentage of voting interest acquired             100.00%    
Joint Venture Company In Singapore                  
Variable Interest Entity [Line Items]                  
Ownership percentage           75.00%      
Fujitsu Semiconductor Limited                  
Variable Interest Entity [Line Items]                  
Purchase of additional interest               51.00%  
Aizu Fajitsu Semiconductor Wafer Solution Limited                  
Variable Interest Entity [Line Items]                  
Ownership percentage in entity     49.00%            
Gain on termination of JVA and settlement of obligation         $ 1,500        
Additional financial support provided to investment   $ 968 $ 2,490 $ 2,036   $ 7,348      
Unfunded commitment   $ (1,866) $ 0 $ 143 $ 143 $ (1,466)     $ (1,688)
Maximum funding obligation or investments of reporting entity             $ 12,000    
Aizu Fajitsu Semiconductor Wafer Solution Limited | April 1, 2022 through March 31, 2023                  
Variable Interest Entity [Line Items]                  
Percentage of funding obligations and losses       25.00% 25.00%        
Aizu Fajitsu Semiconductor Wafer Solution Limited | April 1, 2023 through March 31, 2024                  
Variable Interest Entity [Line Items]                  
Percentage of funding obligations and losses       32.50% 32.50%        
Aizu Fajitsu Semiconductor Wafer Solution Limited | GaNovation                  
Variable Interest Entity [Line Items]                  
Additional financial support provided to investment         $ 2,000        
Aizu Fajitsu Semiconductor Wafer Solution Limited | Aizu Fujitsu Semiconductor Wafer Solution Limited (AFSW)                  
Variable Interest Entity [Line Items]                  
Additional financial support provided to investment         $ 2,500        
Aizu Fajitsu Semiconductor Wafer Solution Limited | GaNovation                  
Variable Interest Entity [Line Items]                  
Ownership percentage in entity 25.00%                
Payment for acquisition | ¥ ¥ 1                
Aizu Fajitsu Semiconductor Wafer Solution Limited | Aizu Fujitsu Semiconductor Wafer Solution Limited (AFSW) | GaNovation                  
Variable Interest Entity [Line Items]                  
Percentage of ownership acquired 49.00%                
Variable Interest Entity, Primary Beneficiary | JCP Capital Management                  
Variable Interest Entity [Line Items]                  
Maximum funding obligation or investments of primary beneficiary             $ 35,000    
Variable Interest Entity, Primary Beneficiary | JCP Capital Management | April 1, 2022 through March 31, 2023                  
Variable Interest Entity [Line Items]                  
Percentage of funding obligations and losses       75.00% 75.00%        
Variable Interest Entity, Primary Beneficiary | JCP Capital Management | April 1, 2023 through March 31, 2024                  
Variable Interest Entity [Line Items]                  
Percentage of funding obligations and losses       67.50% 67.50%