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Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue from Contracts with Customers
Total revenue	$ 97,954	$ 90,548	$ 201,663	$ 222,731
Contra revenue charge			26,976	27,652
Not Designated as Hedging Instrument | Commodity swaps
Revenue from Contracts with Customers
Net settlement of commodity swap derivative instruments	900	1,400	2,400	1,000
Fuel Sales
Revenue from Contracts with Customers
Total revenue	57,398	53,267	125,601	160,162
RIN Credits
Revenue from Contracts with Customers
Total revenue	9,523	5,377	18,335	9,880
LCFS Credits
Revenue from Contracts with Customers
Total revenue	4,319	2,474	4,155	4,772
AFTC
Revenue from Contracts with Customers
Total revenue	6,003	5,059	11,360	9,555
Total volume-related product revenue
Revenue from Contracts with Customers
Total revenue	77,304	69,777	161,134	185,437
Station construction sales
Revenue from Contracts with Customers
Total revenue	5,656	5,852	11,240	9,919
Product revenue
Revenue from Contracts with Customers
Total revenue	82,960	75,629	172,374	195,356
Volume-related, O&M services
Revenue from Contracts with Customers
Total revenue	14,422	13,913	28,157	25,957
Other services
Revenue from Contracts with Customers
Total revenue	572	1,006	1,132	1,418
Service revenue
Revenue from Contracts with Customers
Total revenue	14,994	14,919	29,289	27,375
Volume-Related
Revenue from Contracts with Customers
Gain (loss) due to changes in fair value	61	3,600	1,683	1,068
Contra revenue charge	$ 14,100	$ 13,900	$ 27,000	$ 27,700

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