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Accrued Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Payables and Accruals [Abstract] |  |
Accrued alternative fuels incentives | $ 38,376 | $ 32,798
Accrued employee benefits | 4,607 | 5,100
Accrued gas and equipment purchases | 16,008 | 19,240
Accrued interest | 1,438 | 1,438
Accrued property and other taxes | 7,657 | 6,374
Accrued salaries and wages | 6,360 | 13,767
Other | 14,839 | 12,567
Total accrued liabilities | $ 89,285 | $ 96,106

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