Income Taxes - Additional Information (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
Income Tax Disclosure [Line Items]
Effective income tax rate	(99.50%)	0.40%	(58.10%)	0.10%
Statutory federal tax rate			21.00%
Conversion of stock (in shares)	218,997		4,714,041
Deferred tax assets	$ 48,900		$ 48,900
Deferred tax assets related to additional tax basis increases generated from expected future payments under TR	13,000		13,000
Liabilities under tax receivable agreement, net of current portion	77,272		77,272		$ 22,498
Tax Receivables Agreement
Income Tax Disclosure [Line Items]
Increase in liabilities under tax receivable agreement			$ 55,400
Percentage of additional liability of the aggregate tax benefits			85.00%
Liabilities under tax receivable agreement, net of current portion	77,400		$ 77,400
Tax Receivables Agreement | Accrued Expenses
Income Tax Disclosure [Line Items]
Liabilities under tax receivable agreement, net of current portion	100		100
QLH
Income Tax Disclosure [Line Items]
Deferred tax assets	$ 74,200		$ 74,200