Income Taxes - Summary of Tax Effects of Temporary Differences (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Intangible assets	$ 11,216	$ 3,237
Net operating losses	12,743	13,490
Compensation accruals	17,034	12,971
Lease liability	11,857	5,835
Investments	6,335	3,758
Capital losses	1,083	1,255
Other	595	984
Gross deferred tax assets	60,863	41,530
Valuation allowance	(7,296)	(6,107)
Gross deferred tax assets after valuation allowance	53,567	35,423
Deferred tax liabilities:
Intangible assets	(21,297)	(18,170)
Right of use asset	(9,830)	(4,328)
Fixed assets	(1,661)	(1,900)
Other investments	(1,575)	(1,487)
Gross deferred tax liabilities	(34,363)	(25,885)
Deferred tax assets, net	$ 19,204	$ 9,538