RATE REDUCTION BONDS AND VARIABLE INTEREST ENTITIES - Impact of Funding on the Income Statements (Details) - PSNH - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Condensed Income Statements, Captions [Line Items] | ||||
| Amortization of Regulatory (Liabilities)/Assets, Net | $ 8,249 | $ 26,829 | $ 34,899 | $ 47,665 |
| VIE | Rate Reduction Bonds | ||||
| Condensed Income Statements, Captions [Line Items] | ||||
| Amortization of Regulatory (Liabilities)/Assets, Net | 10,800 | 10,800 | 21,600 | 21,600 |
| Interest Expense on RRB Principal (included in Interest Expense) | $ 2,900 | $ 3,300 | $ 5,800 | $ 6,600 |
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- Definition Amortization of Regulatory Asset (Liabilities) No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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