Income Taxes - Summary of Income Tax Expense and Effective Tax Rates (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Net loss before income taxes	$ (53)	$ (6,226)	$ (11,351)	$ (22,446)
Income tax expense	$ (4,541)	$ (2,504)	$ (10,545)	$ (5,427)
Effective tax rate			93.00%	24.00%
Net loss without discontinued operations before income taxes			$ (11,351)	$ (6,561)
Income tax expense			$ (10,545)	$ (5,839)
Effective tax rate			93.00%	89.00%