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Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Income Tax Contingency [Line Items]          
Income tax expense (benefit) $ 4,402 $ 19,349 $ 9,416 $ 24,606  
Effective income tax rate (226.60%) (69.60%) (69.50%) (22.10%)  
Canadian statutory tax rate 26.20%   26.20%    
Deferred tax asset, valuation allowance $ 45,500   $ 45,500   $ 28,800
Deferred income tax asset after valuation allowance 18,700   18,700   $ 18,000
Deferred income tax asset, valuation allowance change     16,700    
Deferred income tax (benefit) expense     (1,687) $ 23,142  
Payment of foreign withholding taxes     2,000    
Foreign Country [Member] | China [Member]          
Income Tax Contingency [Line Items]          
Deferred income tax (benefit) expense 20,400   20,400    
Shareholder's Equity [Member]          
Income Tax Contingency [Line Items]          
Deferred income tax asset, valuation allowance change     2,500    
Income Tax Expense [Member]          
Income Tax Contingency [Line Items]          
Deferred income tax asset, valuation allowance change     14,200    
Impact of COVID-19 Pandemic [Member]          
Income Tax Contingency [Line Items]          
Deferred tax asset, valuation allowance $ 4,300   $ 4,300