Acquisitions - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Business Acquisition [Line Items]
Stock-based compensation expense		$ 7,300	$ 500	$ 11,500	$ 1,500
Goodwill		418,690		$ 418,690		$ 418,701
Restricted Stock Units (RSUs) [Member]
Business Acquisition [Line Items]
Vested				294,820
Bonaccord
Business Acquisition [Line Items]
Business acquisition effective date	Sep. 30, 2021
Expenses related to business acquisition	$ 700		700		700
Purchase consideration	56,362
Contingent consideration	17,435
Amount of term loan credit facility	35,000		35,000		35,000
Contingent consideration obligation		$ 19,300		$ 19,300
Payments to acquire business	38,927
Goodwill	42,936		42,936		42,936
Business acquisition, goodwill, expected tax deductible amount	42,900		42,900		42,900
Net identifiable assets acquired	$ 13,426		$ 13,426		$ 13,426
Bonaccord | Third Party [Member]
Business Acquisition [Line Items]
Percentage of net management fee earnings rights	15.00%	15.00%	15.00%	15.00%	15.00%
Bonaccord | Maximum
Business Acquisition [Line Items]
Contingent consideration	$ 20,000
Bonaccord | Professional Fees
Business Acquisition [Line Items]
Expenses related to business acquisition	$ 300	$ 200	$ 300	$ 200	$ 300
Hark
Business Acquisition [Line Items]
Business acquisition effective date	Sep. 30, 2021
Purchase consideration	$ 7,200
Contingent consideration obligation	2,200		2,200		2,200
Payments to acquire business	5,000
Goodwill	4,700		4,700		4,700
Net identifiable assets acquired	2,500		2,500		2,500
Hark | Maximum
Business Acquisition [Line Items]
Contingent consideration obligation	$ 5,400		$ 5,400		$ 5,400