Income Taxes - Deferred tax (liabilities) assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Temporary differences [Abstract]
Property and equipment	$ (54,292)	$ (31,003)
Goodwill and other intangible assets	(378,978)	(119,074)
Investments, primarily gains and losses not yet recognized for tax purposes	2,886
Investments, primarily gains and losses not yet recognized for tax purposes		(2,989)
Accrued expenses not deductible until paid	10,867	7,748
Deferred compensation and retiree benefits not deductible until paid	37,317	46,242
Operating lease right-of-use assets	31,507	12,480
Operating lease liabilities	33,174	12,089
Interest limitation carryforward	7	0
Other temporary differences, net	12,354	966
Total temporary differences	(368,172)	(98,501)
Federal and state net operating loss carryforwards	23,863	15,532
Valuation allowance for state deferred tax assets	(12,468)	(2,875)
Net deferred tax liability	$ (356,777)	$ (85,844)

Deferred Tax Asset, Operating Lease Liabilities

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Amount of deferred tax liability attributable to taxable temporary differences gross of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances.

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No definition available.

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Temporary differences [Abstract]

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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