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Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Property and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Property and Equipment
Total property and equipment	$ 2,945,602		$ 2,945,602		$ 2,902,348
Less accumulated depreciation	1,293,666		1,293,666		1,244,904
Total	1,651,936		1,651,936		1,657,444
Long-lived assets subject to impairment	37,000		37,000
Long-lived asset impairment	0	$ 200	0	$ 200
Buildings and improvements
Property and Equipment
Total property and equipment	2,057,704		2,057,704		2,019,890
Land
Property and Equipment
Total property and equipment	682,777		682,777		679,263
Fixtures and equipment
Property and Equipment
Total property and equipment	53,262		53,262		63,747
Idle plant assets
Property and Equipment
Total property and equipment	30,500		30,500		30,500
Total	30,500		30,500		30,500
Construction in process
Property and Equipment
Total property and equipment	83,751		83,751		71,340
Retail gasoline stations
Property and Equipment
Assets held for sale	700		700		5,300
Capitalized internal use software
Property and Equipment
Total property and equipment	$ 37,608		$ 37,608		$ 37,608