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Condensed Consolidated Statements of Comprehensive Income - PNM (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	$ (68)	$ (125)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	35	2,771
Pension liability adjustment, income tax expense (benefit)	(349)	(309)
PNM
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	(68)	(125)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	35	2,771
Pension liability adjustment, income tax expense (benefit)	$ (349)	$ (309)

X

- Definition

Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent.

+ References

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-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 19
-Publisher FASB
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-Subparagraph (c)(3)
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-Topic 810
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-1A

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- Definition

Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-Paragraph 12
-SubTopic 10
-Topic 220
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- Definition

Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

+ References

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-URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A

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