XML 95 R85.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Stockholders' Equity - Stonepeak Warrant Activity (Details) - Stonepeak Warrant | 3 Months Ended
--- | ---
Mar. 31, 2024 USD ($) shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Outstanding and unvested Beginning Balance | $ | $ 20,000,000
Granted | shares | 0
Exercised | shares | 0
Outstanding and unvested as of Ending Balance | $ | $ 20,000,000

X
- Definition Number of warrants granted. + References No definition available. + Details
Name: | clne_WarrantsAndRightsGranted
Namespace Prefix: | clne_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants exercised during the period. + References No definition available. + Details
Name: | clne_WarrantsExercisedNumberOfShares
Namespace Prefix: | clne_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References No definition available. + Details
Name: | us-gaap_WarrantsAndRightsOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=clne_StonepeakWarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |