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Income Taxes - Schedule of Change in Net Accumulated Deferred Income Tax Liability to the Deferred Income Tax (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 USD ($)
Income Taxes [Line Items] |
Net change in deferred income tax liability per above table | $ 54,112
Change in tax effects of income tax related regulatory assets and liabilities | (11,629)
Amortization of excess deferred income tax | (23,362)
Tax effect of mark-to-market adjustments | 4,802
Tax effect of excess pension liability | (421)
Adjustment for uncertain income tax positions | (135)
Reclassification of unrecognized tax benefits | 135
Other | 0
Deferred income tax (benefit) | 23,502
PNM |
Income Taxes [Line Items] |
Net change in deferred income tax liability per above table | 72,181
Change in tax effects of income tax related regulatory assets and liabilities | (11,246)
Amortization of excess deferred income tax | (20,750)
Tax effect of mark-to-market adjustments | 3,554
Tax effect of excess pension liability | (421)
Adjustment for uncertain income tax positions | (161)
Reclassification of unrecognized tax benefits | (1,254)
TNMP |
Income Taxes [Line Items] |
Net change in deferred income tax liability per above table | 29,359
Change in tax effects of income tax related regulatory assets and liabilities | (383)
Amortization of excess deferred income tax | (2,612)
Other | $ (1)

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- Definition Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
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