Compensation - Compensation Expense Related to Class A Common Stock (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU, RSU Tax Account, and restricted stock amortization	$ 39,657	$ 19,467
Equity-based compensation and allocations of net income to limited partnership units and FPUs	75,323	96,081
LPUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock and grants of exchangeability	26,641	33,832
Class A Common Stock | LPUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock and grants of exchangeability	26,641	33,832
Allocations of net income and dividend equivalents	551	1,294
RSU, RSU Tax Account, and restricted stock amortization	48,131	60,955
Equity-based compensation and allocations of net income to limited partnership units and FPUs	$ 75,323	$ 96,081