Related Party Transactions	12 Months Ended
Dec. 31, 2021
Related Party Transactions [Abstract]
Related Party Transactions	Note 19 —Related Party Transactions TotalEnergies S.E. During the years ended December 31, 2020 and 2021, the Company recognized revenue of $7.8 million and $4.9 million, respectively, related to RINs and LNG sold to TotalEnergies and its affiliates in the ordinary course of business, AFTC credits, and settlements on commodity swap contracts (Note 7). As of December 31, 2020 and 2021, the Company had receivables from TotalEnergies of $0.9 million and $1.4 million, respectively. During the years ended December 31, 2020 and 2021, the Company paid TotalEnergies $0.7 million and $2.0 million, respectively, for expenses incurred in the ordinary course of business, settlements on commodity swap contracts (Note 7), and the guaranty fee under the CSA (Note 12). As of December 31, 2020 and 2021, the amount due to TotalEnergies was $0.0 million and $0.1 million, respectively. SAFE&CEC S.r.l During the years ended December 31, 2020 and 2021, the Company received $1.2 million and $0.2 million, respectively, from SAFE&CEC S.r.l. in the ordinary course of business. As of December 31, 2020, the Company had receivables from SAFE&CEC S.r.l. of $0.2 million. Receivables balance as of December 31, 2021 was immaterial. During the years ended December 31, 2020 and 2021, the Company paid SAFE&CEC S.r.l. $4.8 million and $9.6 million, respectively, for parts and equipment in the ordinary course of business. As of December 31, 2020 and 2021, the Company had payables to SAFE&CEC S.r.l. of $0.9 million and $0.2 million, respectively. TotalEnergies JV and bpJV Pursuant to LLC agreements under the TotalEnergies JV and the bpJV, the Company manages the day-to-day operations of RNG projects under the joint ventures in exchange for management fees. During the year ended December 31, 2021, the Company recognized management fee revenue of $0.4 million. As of December 31, 2021, the Company had receivables from the joint ventures of $0.4 million.

Related Party Transactions

12 Months Ended

Dec. 31, 2021

Note 19 —Related Party Transactions

TotalEnergies S.E.

During the years ended December 31, 2020 and 2021, the Company recognized revenue of $7.8 million and $4.9 million, respectively, related to RINs and LNG sold to TotalEnergies and its affiliates in the ordinary course of business, AFTC credits, and settlements on commodity swap contracts (Note 7). As of December 31, 2020 and 2021, the Company had receivables from TotalEnergies of $0.9 million and $1.4 million, respectively.

During the years ended December 31, 2020 and 2021, the Company paid TotalEnergies $0.7 million and $2.0 million, respectively, for expenses incurred in the ordinary course of business, settlements on commodity swap contracts (Note 7), and the guaranty fee under the CSA (Note 12). As of December 31, 2020 and 2021, the amount due to TotalEnergies was $0.0 million and $0.1 million, respectively.

SAFE&CEC S.r.l

During the years ended December 31, 2020 and 2021, the Company received $1.2 million and $0.2 million, respectively, from SAFE&CEC S.r.l. in the ordinary course of business. As of December 31, 2020, the Company had receivables from SAFE&CEC S.r.l. of $0.2 million. Receivables balance as of December 31, 2021 was immaterial.

During the years ended December 31, 2020 and 2021, the Company paid SAFE&CEC S.r.l. $4.8 million and $9.6 million, respectively, for parts and equipment in the ordinary course of business. As of December 31, 2020 and 2021, the Company had payables to SAFE&CEC S.r.l. of $0.9 million and $0.2 million, respectively.

TotalEnergies JV and bpJV

Pursuant to LLC agreements under the TotalEnergies JV and the bpJV, the Company manages the day-to-day operations of RNG projects under the joint ventures in exchange for management fees. During the year ended December 31, 2021, the Company recognized management fee revenue of $0.4 million. As of December 31, 2021, the Company had receivables from the joint ventures of $0.4 million.