Compensation - Compensation Expense Related to Class A Common Stock (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocation of net income and dividend equivalents	$ 0	$ (1,608)	$ 156	$ (14,222)
LPU amortization	0	18,961	40,878	53,585
RSU, RSU Tax Account, and restricted stock amortization	36,568	2,808	46,786	13,174
Equity-based compensation and allocations of net income to limited partnership units and FPUs	69,268	57,730	277,285	161,739
LPUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock and grants of exchangeability	242	32,469	154,146	83,064
Class A Common Stock | LPUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock and grants of exchangeability	242	32,469	154,146	83,064
Allocation of net income and dividend equivalents	1,137	3,492	4,154	11,916
LPU amortization	0	18,961	40,878	53,585
RSU, RSU Tax Account, and restricted stock amortization	67,889	2,808	78,107	13,174
Equity-based compensation and allocations of net income to limited partnership units and FPUs	$ 69,268	$ 57,730	$ 277,285	$ 161,739