Income Taxes - Summary of Income Tax (Benefit) Expense and Effective Income Tax Rate (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]
Income tax (benefit) expense	$ 0	$ 93	$ 669	$ 22,336
Effective income tax rate	0.00%	0.10%	0.30%	10.90%