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Debt - Summary of debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of financial liabilities [line items]      
Total debt $ 489,763 $ 501,132  
Less: Current portion 0 66,667  
Long-term portion 489,763 434,465  
Senior Notes due 2029      
Disclosure of financial liabilities [line items]      
Total debt 497,868 0  
Senior Secured Notes due 2024      
Disclosure of financial liabilities [line items]      
Total debt 0 226,647  
Term loan      
Disclosure of financial liabilities [line items]      
Total debt 0 131,842  
Revolving credit facility      
Disclosure of financial liabilities [line items]      
Total debt 0 150,000 $ 0
Redemption option derivative asset      
Disclosure of financial liabilities [line items]      
Redemption option derivative asset (8,105) (7,357)  
Unamortized transaction costs      
Disclosure of financial liabilities [line items]      
Total debt 6,783 1,491  
Initial redemption option      
Disclosure of financial liabilities [line items]      
Total debt $ 4,652 1,373  
Unamortized discount and transaction costs      
Disclosure of financial liabilities [line items]      
Total debt   $ 8,680