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Land, Property and Equipment (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Land, Property and Equipment
Land, property and equipment, gross	$ 857,564	$ 857,564		$ 896,883
Less accumulated depreciation	(538,937)	(538,937)		(531,564)
Total land, property and equipment, net	318,627	318,627		365,319
Capitalized software costs, net	39,000	39,000		38,500
Accumulated amortization on the capitalized software costs	36,200	36,200		35,800
Amortization expense related to the capitalized software costs		400	$ 500
Amount included in accounts payable balances		8,800		9,000
Land
Land, Property and Equipment
Land, property and equipment, gross	18,543	18,543		19,193
LNG liquefaction plants
Land, Property and Equipment
Land, property and equipment, gross	96,812	96,812		96,812
Station equipment
Land, Property and Equipment
Land, property and equipment, gross	466,451	466,451		468,983
Accelerated depreciation expense and incremental asset retirement obligation charges	50,700
Trailers
Land, Property and Equipment
Land, property and equipment, gross	70,378	70,378		70,363
Other equipment
Land, Property and Equipment
Land, property and equipment, gross	117,914	117,914		107,475
Construction in progress
Land, Property and Equipment
Land, property and equipment, gross	$ 87,466	$ 87,466		$ 134,057

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