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Income Taxes - Schedule of U.S. Statutory Income Tax Rate Rec From Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Federal income taxes at the statutory rate	$ 52,989	$ 94,687	$ 82,946
State and local income taxes, net of federal tax benefits	19,290	24,904	21,827
Permanent differences	5,860	7,149	6,584
Excess tax benefit from share-based compensation	(142)	(733)	(1,227)
Non-deductible impairment charges	40,165	0	0
Foreign income taxes (including UK statutory rate changes)	(140)	(170)	70
Other	1,361	(88)	(1,094)
Income tax provision	$ 119,383	$ 125,749	$ 109,106

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for excess tax benefit from share-based compensation.

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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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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible impairment loss.

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