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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2024
Payables and Accruals [Abstract] |
Schedule of accrued liabilities | Accrued liabilities as of December 31, 2023 and 2024 consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2023 |  | 2024
Accrued alternative fuels incentives (1) | ​ | $ | 41,609 | ​ | $ | 42,565
Accrued employee benefits | ​ |  | 5,315 | ​ |  | 5,271
Accrued gas and equipment purchases | ​ |  | 17,485 | ​ |  | 17,764
Accrued interest | ​ |  | 1,451 | ​ |  | 1,451
Accrued property and other taxes | ​ |  | 4,502 | ​ |  | 5,628
Accrued salaries and wages | ​ |  | 8,697 | ​ |  | 11,902
Other (2) | ​ |  | 12,475 | ​ |  | 20,982
Total accrued liabilities | ​ | $ | 91,534 | ​ | $ | 105,563
(1) | Includes amount for RINs, LCFS Credits, and AFTC payable to third parties.
(2) | No individual item in “Other” exceeds 5% of total current liabilities.

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