NONCONTROLLING INTERESTS - Redeemable Noncontrolling Interest (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2026 USD ($)
Redeemable Noncontrolling Interest [Roll Forward]
Beginning balance	$ 179,930
Remeasurement of redeemable noncontrolling interest	(3,434)
Ending balance	183,364
CPI HoldCo Class A Units
Redeemable Noncontrolling Interest [Roll Forward]
Beginning balance	102,586
Remeasurement of redeemable noncontrolling interest	1,257
Ending balance	103,843
CPI Intermediate Class A Units
Redeemable Noncontrolling Interest [Roll Forward]
Beginning balance	77,344
Remeasurement of redeemable noncontrolling interest	2,177
Ending balance	$ 79,521

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(18))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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-Section S99
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-13

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(27)(b))
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 480
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-Section S45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479887/480-10-S45-2

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 480
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-URI https://asc.fasb.org/1943274/2147479857/480-10-S50-3

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 480
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Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 480
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-URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 480
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-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480244/480-10-S99-1

+ Details

Fervo Energy Co 10-Q