Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Payables and Accruals [Abstract]

Schedule of accrued liabilities

Accrued liabilities as of December 31, 2020 and 2021 consisted of the following (in thousands):

	2020		2021
Accrued alternative fuels incentives (1)	$	18,175	$	28,106
Accrued employee benefits		4,282		4,547
Accrued gas and equipment purchases		9,897		17,158
Accrued interest		512		893
Accrued property and other taxes		3,094		3,369
Accrued salaries and wages		7,646		8,172
Embedded derivatives		283		—
Other (2)		8,748		12,914
Total accrued liabilities	$	52,637	$	75,159

(1) Includes the amount of RINs, LCFS Credits and the amount of AFTC payable to third parties.

(2) No individual item in “Other” exceeds 5% of total current liabilities.