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Accumulated Other Comprehensive Income (Loss)
 3 Months Ended
Mar. 31, 2025
Equity [Abstract]  
Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss)
Information regarding accumulated other comprehensive income (loss) for the three months ended March 31, 2025 and 2024 is as follows:
Accumulated Other Comprehensive Income (Loss)
PNMCorporate and Other
TXNM
Unrealized
Gains on
Available-for-Sale Debt
Securities		Pension
Liability
Adjustment		Fair Value
Adjustment
for Cash
Flow Hedges
TotalTotal
(In thousands)
Balance at December 31, 2024
$214 $(75,922)$(75,708)$— $(75,708)
Amounts reclassified from AOCI (pre-tax)
(137)1,374 1,237 — 1,237 
Income tax impact of amounts reclassified
35 (349)(314)— (314)
Other OCI changes (pre-tax)
267 — 267 — 267 
Income tax impact of other OCI changes
(68)— (68)— (68)
Net after-tax change
97 1,025 1,122 — 1,122 
Balance at March 31, 2025$311 $(74,897)$(74,586)$— $(74,586)

Balance at December 31, 2023
$10,652 $(77,157)$(66,505)$3,665 $(62,840)
 Amounts reclassified from AOCI (pre-tax)
(10,910)1,216 (9,694)2,745 (6,949)
Income tax impact of amounts reclassified
2,771 (309)2,462 (697)1,765 
 Other OCI changes (pre-tax)
491 — 491 67 558 
Income tax impact of other OCI changes
(125)— (125)(17)(142)
Net after-tax change
(7,773)907 (6,866)2,098 (4,768)
Balance at March 31, 2024$2,879 $(76,250)$(73,371)$5,763 $(67,608)

The Condensed Consolidated Statements of Earnings include pre-tax amounts reclassified from AOCI related to Unrealized Gains on Available-for-Sale Debt Securities in gains (losses) on investment securities, other AOCI changes related to Pension Liability Adjustment in other (deductions), and Fair Value Adjustment for Cash Flow Hedges in interest charges. The income tax impacts of all amounts reclassified from AOCI are included in income taxes in the Condensed Consolidated Statements of Earnings.