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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Fair Value Disclosures [Abstract] |  |  |  |
Proved oil and gas property impairments | $ 0 | $ 0 | $ 0 | $ 0

X
- Definition Represents the expense recorded to reduce the value of oil and gas assets consisting of proved properties as the estimate of future successful production from these properties is reduced. + References No definition available. + Details
Name: | civi_ImpairmentOfProvedProperties
Namespace Prefix: | civi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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