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Financing Arrangements - Japan ABL Facilities (Details)
12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2020
JPY (¥)
Dec. 31, 2019
USD ($)
Line of Credit Facility [Line Items]      
Asset-based credit facility, maximum borrowing capacity $ 400,000,000    
Asset-based credit facilities $ 22,130,000   $ 144,580,000
The Bank Of Tokyo-Mitsubishi UFJ | Japan Credit Facility 1      
Line of Credit Facility [Line Items]      
Debt instrument term 3 years    
Asset-based credit facility, maximum borrowing capacity $ 38,716,000 ¥ 4,000,000,000  
Asset-based credit facilities | ¥   ¥ 0  
Asset-based credit facility, interest rate 0.87% 0.87%  
The Bank Of Tokyo-Mitsubishi UFG Ltd | Japan Credit Facility 2      
Line of Credit Facility [Line Items]      
Debt instrument term 1 year    
Asset-based credit facility, maximum borrowing capacity | ¥   ¥ 2,000,000,000  
Asset-based credit facilities $ 19,358,000    
Tokyo Interbank Offered Rate (TIBOR) | The Bank Of Tokyo-Mitsubishi UFJ | Japan Credit Facility 1      
Line of Credit Facility [Line Items]      
Basis spread on variable rate on debt 0.80%