Income Taxes - Components of Deferred Income Tax (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Deferred tax assets
Net operating loss (NOL) carryforwards	$ 129,266	$ 142,494
Lease liabilities	134,832	237,797
Contract liabilities	0	58,075
Interest expense carryforwards	17,400	124,888
Asset retirement obligation	48,863	84,416
Other	53,768	64,609
Total deferred tax assets	384,129	712,279
Less valuation allowance	(114,580)	(180,827)
Net deferred tax assets	269,549	531,452
Deferred tax liabilities
Property, plant and equipment	70,588	389,459
Licenses/intangibles	379,083	420,847
Partnership investments	77,534	191,171
Lease assets	122,518	223,603
Other	1,869	34,482
Total deferred tax liabilities	651,592	1,259,562
Net deferred income tax liability	382,043	728,110
Other assets and deferred charges
Deferred tax liabilities
Net deferred income tax liability	(4,987)	(119)
Deferred Tax Assets Liabilities Net Noncurrent
Deferred tax liabilities
Net deferred income tax liability	$ 387,030	$ 728,229

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Deferred Tax Assets Lease Liability

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Deferred Tax Liabilities Lease Assets

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset.

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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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