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Equity-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock expense	$ 93.2	$ 71.6	$ 59.4
Stock Compensation Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of restricted stock and restricted stock units awarded for service based vesting	50.00%
Percentage of restricted stock and restricted stock units awarded for performance based vesting	50.00%
Award vesting period (years)	4 years
Non Employee Director Restricted Equity Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of restricted stock and restricted stock units awarded for service based vesting	100.00%
Award vesting period (years)	1 year
Restricted Stock and Restricted Stock Unit
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total fair value of restricted stock awards vested	$ 127.1	$ 85.2	$ 81.4
RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant-date fair value of granted	$ 201.54	$ 127.51	$ 123.75
Unrecognized compensation cost related to unvested restricted stock	$ 115.7
Unrecognized compensation cost related to unvested award, period of recognition	2 years 1 month 6 days
Number of restricted units granted in the period	549,754
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of restricted units granted in the period	386,042
2020 Stock Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum shares available for grant	4,500,000
Shares available for issuance	2,337,032
2020 Stock Incentive Plan \| Stock Option, Stock Appreciation Right, Restricted Stock, or Restricted Stock Unit
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted share count against share available	1
2020 Stock Incentive Plan \| Stock Options and Stock Appreciation Rights \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award term (years)	7 years