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REGULATORY LIABILITIES - Regulatory Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2017
--- | --- | --- | ---
Regulatory Liabilities [Abstract] |  |  |
Regulatory liabilities | $ 29,664 | $ 30,267 | $ 22,800
Utility Plant Retirement Cost Obligation [Member] |  |  |
Regulatory Liabilities [Abstract] |  |  |
Regulatory liabilities | 325 | 279 |
Deferred Settlement Refunds [Member] |  |  |
Regulatory Liabilities [Abstract] |  |  |
Regulatory liabilities | 2,496 | 2,496 |
Deferred Income Taxes [Member] |  |  |
Regulatory Liabilities [Abstract] |  |  |
Regulatory liabilities | $ 26,843 | $ 27,492 |

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- Definition The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 405 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477571/980-405-25-1 + 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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