Unconsolidated Entities - Summary of Strategic Capital Revenues Recognized in Consolidated Statements of Income Related to Co-Investment Ventures (Detail) - Unconsolidated Co-Investment Ventures [Member] - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Schedule Of Equity Method Investments [Line Items]
Recurring fees		$ 130,425	$ 117,855	$ 383,914	$ 345,776
Transactional fees		16,577	14,372	47,096	39,786
Promote revenue		1,245	908	1,245	25,027
Total strategic capital revenues from unconsolidated co-investment ventures	[1]	$ 148,247	$ 133,135	$ 432,255	$ 410,589

[1] These amounts exclude strategic capital revenues from other ventures.