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Land, Property and Equipment (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Land, Property and Equipment
Land, property and equipment, gross		$ 880,215		$ 880,215		$ 896,883
Less accumulated depreciation		(553,720)		(553,720)		(531,564)
Total land, property and equipment, net		326,495		326,495		365,319
Capitalized software costs, net		40,000		40,000		38,500
Accumulated amortization on the capitalized software costs		37,100		37,100		35,800
Amortization expense related to the capitalized software costs		500	$ 400	1,300	$ 1,300
Amount included in accounts payable balances				8,300		9,000
Land
Land, Property and Equipment
Land, property and equipment, gross		20,506		20,506		19,193
LNG liquefaction plants
Land, Property and Equipment
Land, property and equipment, gross		96,885		96,885		96,812
Station equipment
Land, Property and Equipment
Land, property and equipment, gross		469,785		469,785		468,983
Accelerated depreciation expense and incremental asset retirement obligation charges		5,100		55,700
Station equipment | Subsequent Event
Land, Property and Equipment
Asset retirement obligation, cash paid	$ 12,800
Asset retirement obligation	$ 13,100
Trailers
Land, Property and Equipment
Land, property and equipment, gross		71,054		71,054		70,363
Other equipment
Land, Property and Equipment
Land, property and equipment, gross		112,582		112,582		107,475
Construction in progress
Land, Property and Equipment
Land, property and equipment, gross		$ 109,403		$ 109,403		$ 134,057

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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