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Condensed Consolidated Statements of Comprehensive Income - PNM (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	$ (99)	$ 744	$ (1,158)	$ 2,401
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	477	366	655	741
Pension liability adjustment, income tax expense (benefit)	(303)	(451)	(606)	(902)
PNM
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	(99)	744	(1,158)	2,401
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	477	366	655	741
Pension liability adjustment, income tax expense (benefit)	$ (303)	$ (451)	$ (606)	$ (902)

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.

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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.

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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.

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