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Income taxes - Income Tax Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Income Tax Disclosure [Abstract]        
Income tax (benefit) expense $ 5,960 $ (270,228) $ 6,019 $ (280,679)
Current Foreign Tax Expense (Benefit) 5,800 2,000 7,700 400
Other Tax Expense (Benefit) 100 200 200 500
Income Tax Effects Allocated Directly to Equity, Other $ 100 $ 4,700 1,700 4,700
Unrecognized Tax Benefits, Increase Resulting from Settlements with Taxing Authorities       $ 12,600
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions     $ 400