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Net Income (Loss) Per Share (Tables) | 3 Months Ended
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Mar. 31, 2024
Earnings Per Share [Abstract] |
Schedule of information required to compute basic and diluted net loss per share | The following table sets forth the computations of basic and diluted earnings (loss) per share for the three months ended March 31, 2023 and 2024 (in thousands except share and per share amounts): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
​ | ​ | March 31,
​ |  | 2023 |  | 2024
Net loss attributable to Clean Energy Fuels Corp. | ​ | $ | (38,697) | ​ | $ | (18,443)
​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average common shares outstanding |  | ​ | 222,717,113 |  | ​ | 223,210,309
Dilutive effect of potential common shares from restricted stock units, stock options and stock warrants |  | ​ | — |  | ​ | —
Weighted-average common shares outstanding - diluted |  | ​ | 222,717,113 |  | ​ | 223,210,309
Basic and diluted loss per share | ​ | $ | (0.17) | ​ | $ | (0.08)
Schedule of potentially dilutive securities that have been excluded from the diluted net loss per share calculations because their effect would have been antidilutive | The following potentially dilutive securities have been excluded from the diluted net loss per share calculations because their effect would have been antidilutive. Although these securities were antidilutive for these periods, they could be dilutive in future periods. ​
​ | ​ | ​ | ​ | ​ | ​
​ | Three Months Ended
​ | March 31,
​ | 2023 |  | 2024
Stock options | ​ | 18,115,226 | ​ | ​ | 20,519,161
Stonepeak warrant shares | ​ | — | ​ | ​ | 20,000,000
Restricted stock units | ​ | 288,371 | ​ | ​ | 1,887,997
Amazon warrant shares | ​ | 58,767,714 | ​ | ​ | 58,767,714
Total | ​ | 77,171,311 | ​ | ​ | 101,174,872
​

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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