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Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Provision at the statutory rate	$ 147,816	$ 130,809	$ 119,983
Increases (decreases) resulting from:
State taxes	28,320	27,204	31,791
Valuation allowance on deferred tax assets	23,366	6,107	(31,138)
Tax contingency reserves, net	7,939	844	(2,125)
Employee per diems, meals and entertainment	6,086	3,569	10,680
Company-owned life insurance	2,917	(6,969)	0
Foreign taxes	(638)	(9,359)	(7,268)
Taxes on certain equity method investments and non-controlling interests	(12,886)	(8,825)	(3,466)
Stock-based compensation	(24,066)	(21,271)	(3,109)
Other	13,389	8,809	4,039
Total provision for income taxes	$ 192,243	$ 130,918	$ 119,387

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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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