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Accumulated Other Comprehensive Income (Loss) | 6 Months Ended
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Jun. 30, 2025
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) Information regarding accumulated other comprehensive income (loss) for the six months ended June 30, 2025 and 2024 is as follows:
| Accumulated Other Comprehensive Income (Loss)
| PNM |  |  |  | Corporate and Other |  | TXNM
| Unrealized Gains on Available-for-Sale Debt Securities |  | Pension Liability Adjustment |  |  |  |  |  | Fair Value Adjustment for Cash Flow Hedges |  |
|  |  | Total |  |  |  |  | Total
| (In thousands)
Balance at December 31, 2024 | $ | 214 |  |  | $ | (75,922) |  |  | $ | (75,708) |  |  |  |  | $ | — |  |  | $ | (75,708) |
Amounts reclassified from AOCI (pre-tax) | (338) |  |  | 2,749 |  |  | 2,411 |  |  |  |  | — |  |  | 2,411 |
Income tax impact of amounts reclassified | 86 |  |  | (698) |  |  | (612) |  |  |  |  | — |  |  | (612) |
Other OCI changes (pre-tax) | 504 |  |  | — |  |  | 504 |  |  |  |  | (2,493) |  |  | (1,989) |
Income tax impact of other OCI changes | (128) |  |  | — |  |  | (128) |  |  |  |  | 633 |  |  | 505 |
Net after-tax change | 124 |  |  | 2,051 |  |  | 2,175 |  |  |  |  | (1,860) |  |  | 315 |
Balance at June 30, 2025 | $ | 338 |  |  | $ | (73,871) |  |  | $ | (73,533) |  |  |  |  | $ | (1,860) |  |  | $ | (75,393) |
Balance at December 31, 2023 | $ | 10,652 |  |  | $ | (77,157) |  |  | $ | (66,505) |  |  |  |  | $ | 3,665 |  |  | $ | (62,840) |
Amounts reclassified from AOCI (pre-tax) | (12,566) |  |  | 2,433 |  |  | (10,133) |  |  |  |  | 5,563 |  |  | (4,570) |
Income tax impact of amounts reclassified | 3,192 |  |  | (618) |  |  | 2,574 |  |  |  |  | (1,413) |  |  | 1,161 |
Other OCI changes (pre-tax) | (587) |  |  | — |  |  | (587) |  |  |  |  | (4,307) |  |  | (4,894) |
Income tax impact of other OCI changes | 149 |  |  | — |  |  | 149 |  |  |  |  | 1,094 |  |  | 1,243 |
Net after-tax change | (9,812) |  |  | 1,815 |  |  | (7,997) |  |  |  |  | 937 |  |  | (7,060) |
Balance at June 30, 2024 | $ | 840 |  |  | $ | (75,342) |  |  | $ | (74,502) |  |  |  |  | $ | 4,602 |  |  | $ | (69,900) |
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 on investment securities 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.

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