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Accrued Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Payables and Accruals [Abstract] |  |
Accrued alternative fuels incentives | $ 33,891 | $ 41,609
Accrued employee benefits | 3,856 | 5,315
Accrued gas and equipment purchases | 21,558 | 17,485
Accrued interest | 1,610 | 1,451
Accrued property and other taxes | 4,073 | 4,502
Accrued salaries and wages | 4,988 | 8,697
Other | 13,696 | 12,475
Total accrued liabilities | $ 83,672 | $ 91,534

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