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v3.26.1

Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 106,359 | $ 102,613 | $ 223,915 | $ 206,377
Contra revenue charge | 9,600 |  | 19,719 | 34,734
Facility use fee | 3,400 |  | 6,200 |
Fuel Sales |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 61,147 | 67,883 | 140,715 | 144,175
Contra revenue charge | 6,500 | 17,400 | 14,000 | 34,700
RIN Credits |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 10,235 | 9,198 | 20,355 | 14,399
LCFS Credits |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 3,979 | 2,704 | 8,306 | 6,503
AFTC |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 0 | (11) | 0 | (28)
Total volume-related product revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 75,112 | 79,229 | 169,745 | 163,948
Station construction sales |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 16,034 | 7,883 | 24,274 | 13,454
Total product revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 91,146 | 87,112 | 194,019 | 177,402
Volume-related, O&M services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 14,753 | 14,852 | 28,966 | 27,642
Contra revenue charge | 3,100 |  | 5,700 |
Facility use fee | 3,400 |  | 6,200 |
Other services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 460 | 649 | 930 | 1,333
Total service revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 15,213 | 15,501 | 29,896 | 28,975
Volume -Related |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Gain (loss) due to changes in fair value | (249) | $ (545) | 369 | $ (1,101)
RNG Project | RIN Credits |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | 1,300 |  | 2,000 |
RNG Project | LCFS Credits |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue | $ 300 |  | $ 800 |

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