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Earnings Per Share - Narrative (Details) | 12 Months Ended
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Dec. 31, 2021 class
Earnings Per Share [Abstract] |
Number of classes of equity | 2

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- Definition Number Of Class Of Equity + References No definition available. + Details
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Namespace Prefix: | crgy_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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