CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss)	$ (94,155)	$ (11,529)	$ 13,259
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments net of $0 tax in 2019, 2020 and 2021	(1,394)	1,355	505
Unrealized gains on available-for-sale securities, net of $0 tax in 2019, 2020 and 2021	(19)	2	67
Total other comprehensive income (loss)	(1,413)	1,357	572
Comprehensive income (loss)	(95,568)	(10,172)	13,831
Clean Energy Fuels Corp.
Net income (loss)	(93,146)	(9,864)	20,421
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments net of $0 tax in 2019, 2020 and 2021	(1,394)	1,355	505
Unrealized gains on available-for-sale securities, net of $0 tax in 2019, 2020 and 2021	(19)	2	67
Total other comprehensive income (loss)	(1,413)	1,357	572
Comprehensive income (loss)	(94,559)	(8,507)	20,993
Noncontrolling Interest in Subsidiary
Net income (loss)	(1,009)	(1,665)	(7,162)
Other comprehensive income (loss), net of tax:
Comprehensive income (loss)	$ (1,009)	$ (1,665)	$ (7,162)