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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NATURAL GAS IN STORAGE (Details) $ in Thousands | Dec. 31, 2022 USD ($) Bcf | Sep. 30, 2022 USD ($) Bcf
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Inventory [Line Items] |  |
Natural Gas in Storage, value | $ | $ 254,360 | $ 273,644
Natural Gas in Storage, Bcf | Bcf | 40,100,000 | 39,800,000
Natural Gas Distribution |  |
Inventory [Line Items] |  |
Natural Gas in Storage, value | $ | $ 152,010 | $ 191,175
Natural Gas in Storage, Bcf | Bcf | 22,000,000.0 | 29,000,000.0
Energy Services |  |
Inventory [Line Items] |  |
Natural Gas in Storage, value | $ | $ 102,350 | $ 82,469
Natural Gas in Storage, Bcf | Bcf | 18,100,000 | 10,800,000

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- Definition Natural Gas in Storage Nonmonetary Number of Billion Cubic Feet of Gas in Storage as of the balance sheet date. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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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 No definition available. + Details
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- Details
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- Details
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