DERIVATIVE INSTRUMENTS - ADDITIONAL INFORMATION (Details) - certificate certificate in Millions	Dec. 31, 2024	Sep. 30, 2024
Physical commodity contracts \| ES
Derivative [Line Items]
Number of SRECs (in certificates)	1.0	1.2

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.

Reference 1: 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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