Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Earnings Per Share [Abstract]
Net loss attributable to Clean Energy Fuels Corp.	$ (20,240)	$ (16,293)	$ (155,207)	$ (34,736)
Weighted-average common shares outstanding	220,393,997	223,289,936	222,024,912	223,250,123
Dilutive effect of potential common shares from restricted stock units, stock options and stock warrants	0	0	0	0
Weighted-average common shares outstanding - diluted	220,393,997	223,289,936	222,024,912	223,250,123
Basic loss per share (in dollars per share)	$ (0.09)	$ (0.07)	$ (0.7)	$ (0.16)
Diluted loss per share (in dollars per share)	$ (0.09)	$ (0.07)	$ (0.7)	$ (0.16)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

Clean Energy Fuels Corp. 10-Q