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Debt - Disclosure of recognition of debt arising from financing activities (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Sep. 09, 2021
Mar. 30, 2020
Aug. 30, 2021
Jun. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Debt arising from financing activities [Roll Forward]            
Balance beginning of year         $ 501,132  
Financing cash flows related to debt:            
Repayments of borrowings         (517,286) $ (132,714)
Proceeds from borrowings, classified as financing activities         500,000 150,000
Loan financing costs         (9,140) 0
Non-cash changes recorded in debt:            
Amortization of discount and transaction costs of senior secured notes and TARCA due to early redemption         9,700 2,286
Balance end of year         489,763 501,132
Senior Notes due 2029 and Redemption Option Derivative Asset            
Debt arising from financing activities [Roll Forward]            
Balance beginning of year         0  
Financing cash flows related to debt:            
Proceeds from borrowings, classified as financing activities         500,000  
Loan financing costs         (7,009)  
Total financing cash flows related to debt         492,991  
Borrowings, excluding non-cash charges         492,991  
Non-cash changes recorded in debt:            
Amortization of financing fees and discount         71  
Change in fair value of redemption option derivative asset         (3,299)  
Balance end of year         489,763 0
Senior notes due 2024 and term loan            
Debt arising from financing activities [Roll Forward]            
Balance beginning of year         351,132 479,732
Financing cash flows related to debt:            
Total financing cash flows related to debt         (367,286) (132,714)
Borrowings, excluding non-cash charges         (16,154) 347,018
Non-cash changes recorded in debt:            
Amortization of discount and transaction costs of senior secured notes and TARCA due to early redemption         7,969 2,286
Amortization of financing fees and discount         2,201 3,588
Balance end of year         0 351,132
Revolving credit facility            
Debt arising from financing activities [Roll Forward]            
Balance beginning of year         150,000 0
Financing cash flows related to debt:            
Repayments of borrowings     $ (100,000) $ (50,000) (150,000)  
Proceeds from borrowings, classified as financing activities   $ 150,000       150,000
Total financing cash flows related to debt         (150,000) 150,000
Borrowings, excluding non-cash charges         0 150,000
Non-cash changes recorded in debt:            
Balance end of year         0 150,000
Senior Secured Notes due 2024            
Debt arising from financing activities [Roll Forward]            
Balance beginning of year         226,647  
Financing cash flows related to debt:            
Repayments of borrowings $ (233,953)       (233,953) (66,047)
Non-cash changes recorded in debt:            
Change in fair value of redemption option derivative asset         5,984 (1,760)
Balance end of year         0 226,647
Term loan            
Debt arising from financing activities [Roll Forward]            
Balance beginning of year         131,842  
Financing cash flows related to debt:            
Repayments of borrowings         (133,333) (66,667)
Non-cash changes recorded in debt:            
Balance end of year         $ 0 $ 131,842