XML 74 R58.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Summary of Significant Accounting Policies - Alternative Fuel Excise Tax Credit (Details) - $ / gal | 12 Months Ended | 36 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2024
Volumetric Excise Tax Credit Disclosure [Abstract] |  |  |
Federal alternative fuels tax credit - CNG (in dollars per gasoline gallon equivalent) | 0.5 | 0.5 | 0.5
Federal alternative fuels tax credit - LNG (in dollars per liquid gallon) | 0.5 | 0.5 | 0.5

X
- Definition Represents the volumetric excise tax credit per gasoline gallon equivalent of compressed natural gas (CNG). + References No definition available. + Details
Name: | clne_AlternativeFuelsExciseTaxCreditCompressedNaturalGas
Namespace Prefix: | clne_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the volumetric excise tax credit per liquid gallon of liquefied natural gas (LNG). + References No definition available. + Details
Name: | clne_AlternativeFuelsExciseTaxCreditLiquefiedNaturalGas
Namespace Prefix: | clne_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | clne_VolumetricExciseTaxCreditDisclosureAbstract
Namespace Prefix: | clne_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration