Related Parties - Revenues Recorded from Related Parties (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Related Party Transaction [Line Items]
Total revenues	$ 83,357	$ 84,047	$ 249,220	$ 219,949
RNG fuel
Related Party Transaction [Line Items]
Total revenues	22,921	25,864	75,650	63,036
Fuel Station Services
Related Party Transaction [Line Items]
Total revenues	51,722	45,395	149,426	121,794
Renewable Power
Related Party Transaction [Line Items]
Total revenues	8,714	12,788	24,144	35,119
Related Party | RNG fuel
Related Party Transaction [Line Items]
Total revenues	17,950	22,798	55,929	54,174
Related Party | Fuel Station Services
Related Party Transaction [Line Items]
Total revenues	11,492	12,526	40,921	34,234
Related Party | Renewable Power
Related Party Transaction [Line Items]
Total revenues	2,022	1,799	4,676	5,129
Environmental Attributes | Related Party | RNG fuel
Related Party Transaction [Line Items]
Total revenues	17,825	22,798	55,658	54,174
Environmental Attributes | Related Party | Fuel Station Services
Related Party Transaction [Line Items]
Total revenues	9,198	10,616	34,653	27,885
Environmental Attributes | Related Party | Renewable Power
Related Party Transaction [Line Items]
Total revenues	0	0	0	0
Commodity Swaps | Related Party | RNG fuel
Related Party Transaction [Line Items]
Total revenues	0	0	0	0
Commodity Swaps | Related Party | Fuel Station Services
Related Party Transaction [Line Items]
Total revenues	0	0	0	0
Commodity Swaps | Related Party | Renewable Power
Related Party Transaction [Line Items]
Total revenues	2,022	1,799	4,676	5,129
Environmental Processing Fees | Related Party | RNG fuel
Related Party Transaction [Line Items]
Total revenues	0	0	0	0
Environmental Processing Fees | Related Party | Fuel Station Services
Related Party Transaction [Line Items]
Total revenues	2,294	1,910	6,268	6,349
Environmental Processing Fees | Related Party | Renewable Power
Related Party Transaction [Line Items]
Total revenues	0	$ 0	0	$ 0
Service Agreements | Related Party | RNG fuel
Related Party Transaction [Line Items]
Service agreements	125		271
Service Agreements | Related Party | Fuel Station Services
Related Party Transaction [Line Items]
Service agreements	0		0
Service Agreements | Related Party | Renewable Power
Related Party Transaction [Line Items]
Service agreements	$ 0		$ 0