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Financing Arrangements - Japan Term Loan Facility (Details)
1 Months Ended 12 Months Ended
Aug. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2021
JPY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2020
JPY (¥)
Dec. 31, 2019
USD ($)
Dec. 31, 2021
JPY (¥)
Aug. 31, 2020
JPY (¥)
Line of Credit Facility [Line Items]                
Interest expense, debt   $ 852,000   $ 880,000   $ 463,000    
Japan Term Loan Facility                
Line of Credit Facility [Line Items]                
Debt instrument, term 5 years              
Debt instrument, face amount   13,031,000         ¥ 1,500,000,000  
Long-term debt, current maturities   3,475,000         ¥ 400,000,000  
Interest expense, debt   132,000 ¥ 14,511,000 $ 60,000 ¥ 6,226,000      
Japan Term Loan Facility | Secured Debt                
Line of Credit Facility [Line Items]                
Debt instrument, face amount $ 17,374,000             ¥ 2,000,000,000
Debt instrument, periodic payment, principal   $ 868,700 ¥ 100,000,000          
Japan Term Loan Facility | Secured Debt | Tokyo Interbank Offered Rate (TIBOR)                
Line of Credit Facility [Line Items]                
Debt instrument, basis spread on variable rate   0.80% 0.80%