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Basis of Presentation - Canada Emergency Wage Subsidy Program of 2020 - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Canada Emergency Wage Subsidy Program of 2020
Recognition of reduction in compensation expense	$ 1,778,000	$ 4,711,000	$ 5,850,000	$ 9,056,000

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- Definition

Recognition of reduction in compensation expense

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No definition available.

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