Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Significant components of deferred tax assets and liabilities:
Net operating loss	$ 9,867	$ 9,751
Step-up in tax basis in Group LP assets	384,080	369,216
Deferred compensation	63,778	56,628
Lease liability	43,479	43,214
Other	12,631
Gross	513,835	478,809
Valuation allowance on NOL and other	(18,368)	(10,445)
Deferred tax asset	495,467	468,364
Right-of-use asset	(37,117)	(38,862)
Other	(10,227)	(5,157)
Deferred tax liability	(47,344)	(44,019)
Net deferred tax asset	$ 448,123	$ 424,345