Property and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Property and Equipment
Total property and equipment	$ 2,153,551	$ 2,127,894
Less accumulated depreciation	953,565	909,723
Total	1,199,986	1,218,171
Long-lived assets subject to impairment	37,000
Buildings and improvements
Property and Equipment
Total property and equipment	1,475,976	1,441,893
Land
Property and Equipment
Total property and equipment	520,770	523,631
Fixtures and equipment
Property and Equipment
Total property and equipment	44,444	42,136
Idle Plant Assets
Property and Equipment
Total property and equipment	30,500	30,500
Construction in process
Property and Equipment
Total property and equipment	48,053	56,047
Retail Gasoline Stations
Property and Equipment
Assets held for sale	2,100	5,300
Capitalized internal use software
Property and Equipment
Total property and equipment	$ 33,808	$ 33,687