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Income Taxes - Income tax (benefit)/expense on income/(loss)by jurisdiction (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
Deferred
Income tax expense	$ (3,579)	$ (4,325)	$ (18,016)	$ (13,693)
Recurring
Deferred
Employee Phantom Share Receivable Non Current Liabilities, Fair Value Disclosure	14,234		14,234		$ 18,670
Level 2 | Recurring
Deferred
Employee Phantom Share Receivable Non Current Liabilities, Fair Value Disclosure	$ 14,234		$ 14,234		$ 18,670

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Employee Phantom Share Receivable Non Current Liabilities, Fair Value Disclosure

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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