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DERIVATIVE INSTRUMENTS - Notional Amounts of Derivative Instruments (Details) Mcf in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2025 Mcf MBbls	Dec. 31, 2024 Mcf MBbls
Commodity Swap | Natural Gas
Derivative [Line Items]
Notional amount	949.9	1,163.7
Commodity Swap | Propane
Derivative [Line Items]
Notional amount | MBbls	364,000.0	351,000.0
Natural Gas Basis Swaps
Derivative [Line Items]
Notional amount	591.4	688.7

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- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-181

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