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Accumulated Other Comprehensive Income (Loss) | 9 Months Ended
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Sep. 30, 2020
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) Information regarding accumulated other comprehensive income (loss) for the nine months ended September 30, 2020 and 2019 is as follows:
| Accumulated Other Comprehensive Income (Loss)
| PNM |  |  |  | Corporate and Other |  | PNMR Consolidated
| 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, 2019 | $ | 10,638 |  |  | $ | (109,693) |  |  | $ | (99,055) |  |  |  |  | $ | (322) |  |  | $ | (99,377) |
Amounts reclassified from AOCI (pre-tax) | (7,156) |  |  | 6,225 |  |  | (931) |  |  |  |  | (1,117) |  |  | (2,048) |
Income tax impact of amounts reclassified | 1,818 |  |  | (1,581) |  |  | 237 |  |  |  |  | 284 |  |  | 521 |
Other OCI changes (pre-tax) | 14,750 |  |  | — |  |  | 14,750 |  |  |  |  | 33 |  |  | 14,783 |
Income tax impact of other OCI changes | (3,746) |  |  | — |  |  | (3,746) |  |  |  |  | (9) |  |  | (3,755) |
Net after-tax change | 5,666 |  |  | 4,644 |  |  | 10,310 |  |  |  |  | (809) |  |  | 9,501 |
Balance at September 30, 2020 | $ | 16,304 |  |  | $ | (105,049) |  |  | $ | (88,745) |  |  |  |  | $ | (1,131) |  |  | $ | (89,876) |
Balance at December 31, 2018 | $ | 1,939 |  |  | $ | (112,361) |  |  | $ | (110,422) |  |  |  |  | $ | 1,738 |  |  | $ | (108,684) |
Amounts reclassified from AOCI (pre-tax) | (12,563) |  |  | 5,553 |  |  | (7,010) |  |  |  |  | 707 |  |  | (6,303) |
Income tax impact of amounts reclassified | 3,191 |  |  | (1,410) |  |  | 1,781 |  |  |  |  | (179) |  |  | 1,602 |
Other OCI changes (pre-tax) | 23,106 |  |  | — |  |  | 23,106 |  |  |  |  | (3,664) |  |  | 19,442 |
Income tax impact of other OCI changes | (5,869) |  |  | — |  |  | (5,869) |  |  |  |  | 931 |  |  | (4,938) |
Net after-tax change | 7,865 |  |  | 4,143 |  |  | 12,008 |  |  |  |  | (2,205) |  |  | 9,803 |
Balance at September 30, 2019 | $ | 9,804 |  |  | $ | (108,218) |  |  | $ | (98,414) |  |  |  |  | $ | (467) |  |  | $ | (98,881) |
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, related to Pension Liability Adjustment in other (deductions), and related to 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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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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