Capitalization (Detail) - USD ($) $ in Thousands, shares in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Feb. 15, 2024	Dec. 31, 2023	Feb. 28, 2023
Class of Stock [Line Items]
Aggregate repurchases of Class A common stock		$ 125,370	$ 44,004	$ 292,863
Class A common stock | 2023 Stock Repurchase Program
Class of Stock [Line Items]
Stock repurchase program, authorized amount								$ 700,000
Stock repurchase program, remaining amount authorized	$ 575,000				$ 575,000	$ 700,000	$ 53,000
Additional amount authorized for share repurchase						$ 647,000
Repurchases of Class A common stock (in shares)	0.0				1.5
Aggregate repurchases of Class A common stock					$ 125,000