Stock Transactions and Unit Redemptions - Gross Unit Redemptions and Share Repurchases of Class A Common Stock (Detail) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended						3 Months Ended				6 Months Ended
	Jun. 30, 2024	May 31, 2024	Apr. 30, 2024	Jun. 30, 2023	May 31, 2023	Apr. 30, 2023	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Class of Stock [Line Items]
Redemptions (in shares)					3,300,000				422,000	23,000		445,000
Repurchases (in shares)	4,102,000	5,031,000	1,555,000	3,428,000		3,086,000	10,688,000	11,250,000	9,814,000	846,000	21,938,000	10,660,000
Redemptions, weighted average price paid per unit or share (in dollars per share)					$ 4.36				$ 4.91	$ 3.90		$ 4.85
Repurchases, weighted average price paid per unit or shares (in dollars per share)	$ 8.21	$ 8.62	$ 7.68	$ 4.48		$ 4.48		$ 7.11		$ 4.97	$ 7.70	$ 4.48
Total redemptions and repurchases (in shares)												11,105,000
Total redemptions and repurchases, weighted average price paid per unit or shares (in dollars per share)												$ 4.50
Approximate Dollar Value of Shares That Could Be Repurchased Under the Program at June 30, 2024	$ 183,492			$ 326,449			$ 183,492		$ 326,449		$ 183,492	$ 326,449
Aggregate purchase price of Class A common stock											$ 148,117	$ 46,481
Shares withheld to satisfy tax liabilities (in shares)							1,300,000				2,700,000
Weighted-average price of shares withheld for tax liabilities (in dollars per share)							$ 7.61				$ 7.81
Weighted-average price for redemption of limited partnership units (in dollars per share)									$ 4.71			$ 4.71
Class A Common Stock
Class of Stock [Line Items]
Repurchases (in shares)							9,431,127		9,813,827		19,251,407	10,659,717
Approximate Dollar Value of Shares That Could Be Repurchased Under the Program at June 30, 2024	$ 183,500						$ 183,500				$ 183,500
Conversion, shares issued (in shares)							800,000		13,300,000		1,100,000	20,200,000
Stock issued during period, shares, exchange of units									7,100,000			13,400,000
Stock repurchased during period (in shares)							10,700,000		9,800,000		21,900,000	10,700,000
Aggregate purchase price of Class A common stock							$ 89,000		$ 43,600		$ 168,900	$ 47,800
Stock repurchased, weighted average price (in dollars per share)							$ 8.32		$ 4.44		$ 7.70	$ 4.48
Share-based payment arrangement, decrease for tax withholding obligation							$ 10,300				$ 21,200
Restricted Shares
Class of Stock [Line Items]
Share-based payment arrangement, decrease for tax withholding obligation							$ 9,600				$ 21,000
Limited Partnership
Class of Stock [Line Items]
Redeemed limited partnership units (in shares)									300,000			300,000
Aggregate redemption price of limited partnership units									$ 1,400			$ 1,400
FPUs
Class of Stock [Line Items]
Redeemed limited partnership units (in shares)									100,000			200,000
Aggregate redemption price of limited partnership units									$ 700			$ 800
Weighted-average price for redemption of founding/working partner units (in dollars per share)									$ 5.32			$ 5.11