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Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Provision at the statutory rate	$ 203,691	$ 147,816	$ 130,809
Increases (decreases) resulting from:
State taxes	41,920	28,320	27,204
Employee per diems, meals and entertainment	27,039	6,086	3,569
Tax contingency reserves, net	6,882	7,939	844
Foreign taxes	2,927	(638)	(9,359)
Company-owned life insurance	(2,262)	2,917	(6,969)
Taxes on certain equity method investments and non-controlling interests	(9,519)	(12,886)	(8,825)
Valuation allowance on deferred tax assets	(20,177)	23,366	6,107
Stock-based compensation	(35,007)	(24,066)	(21,271)
Other	3,773	13,389	8,809
Total provision for income taxes	$ 219,267	$ 192,243	$ 130,918

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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