Compensation - Compensation Expense Related to Class A Common Stock (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LPU amortization	$ 0	$ 19,447	$ 0	$ 40,878
RSU, RSU Tax Account, and restricted stock amortization	21,229	4,622	40,696	10,218
Equity-based compensation and allocations of net income to limited partnership units and FPUs	66,207	126,644	162,288	208,017
LPUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock and grants of exchangeability	29,943	101,938	63,775	153,904
Class A Common Stock | LPUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock and grants of exchangeability	29,943	101,938	63,775	153,904
Allocation of net income and dividend equivalents	1,044	637	2,338	3,017
LPU amortization	0	19,447	0	40,878
RSU, RSU Tax Account, and restricted stock amortization	35,220	4,622	96,175	10,218
Equity-based compensation and allocations of net income to limited partnership units and FPUs	$ 66,207	$ 126,644	$ 162,288	$ 208,017