Income Taxes - Summary of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets
Investment in Topco LLC	$ 675,855	$ 360,861
Deductions to be received for Tax Receivable Agreement payments	154,093	81,123
Other	1,249	6,110
Total deferred tax assets	831,197	448,094
Valuation allowance	(23,080)	(13,663)
Total deferred tax assets, net of valuation allowance	808,117	434,431
Deferred tax liabilities
Intangible assets	0	(11,341)
Total deferred tax liabilities	0	(11,341)
Total net deferred tax asset	$ 808,117	$ 423,090