Compensation - Compensation Expense Related to Class A Common Stock (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU, RSU Tax Account, and restricted stock amortization	$ 42,189	$ 21,229	$ 81,846	$ 40,696
Equity-based compensation and allocations of net income to limited partnership units and FPUs	83,926	66,207	159,249	162,288
LPUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock and grants of exchangeability	35,823	29,943	62,464	63,775
Class A Common Stock | LPUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock and grants of exchangeability	35,823	29,943	62,464	63,775
Allocations of net income and dividend equivalents	534	1,044	1,085	2,338
RSU, RSU Tax Account, and restricted stock amortization	47,569	35,220	95,700	96,175
Equity-based compensation and allocations of net income to limited partnership units and FPUs	$ 83,926	$ 66,207	$ 159,249	$ 162,288