Stockholders Equity and Stock Compensation - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Jan. 31, 2022
Class Of Stock [Line Items]
Stock repurchase program expiration date	Jan. 31, 2025
Remaining to repurchase shares under Share Repurchase Program	$ 205.7
Recognized stock compensation expense	19.7	$ 13.5
Unrecognized compensation cost related to nonvested common shares	$ 142.4
Weighted average period for recognition of cost	1 year 7 months 28 days
ESPP
Class Of Stock [Line Items]
Recognized stock compensation expense	$ 1.0	$ 0.7
Performance-Based Awards [Member]
Class Of Stock [Line Items]
Performance period	3 years
Performance-Based Awards [Member] | Minimum [Member]
Class Of Stock [Line Items]
Payout percentage of performance awards	0.00%
Performance-Based Awards [Member] | Maximum [Member]
Class Of Stock [Line Items]
Payout percentage of performance awards	200.00%
2018 ESPP [Member]
Class Of Stock [Line Items]
Number of shares available for sale under employee stock purchase plan	3,573,580
Percentage of price of common stock purchased	85.00%
Maximum percentage of employee's compensation to purchase common stock	15.00%
2023 Plan [Member] | Performance-Based Awards [Member]
Class Of Stock [Line Items]
Number of shares that remain available for grant	5,457,960
2023 Plan [Member] | Performance-Based Awards [Member] | Maximum [Member]
Class Of Stock [Line Items]
Number of shares that remain available for grant	4,873,510
Class A Common Stock [Member]
Class Of Stock [Line Items]
Stock repurchase program authorized amount			$ 500.0
Class A Common Stock [Member] | 2018 ESPP [Member]
Class Of Stock [Line Items]
Number of shares available for sale under employee stock purchase plan	5,000,000