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Accumulated Other Comprehensive Income (Loss) | 9 Months Ended
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Sep. 30, 2015
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, 2015 and 2014 is as follows:
| Accumulated Other Comprehensive Income (Loss)
| PNM |  | TNMP |  | PNMR
| Unrealized |  |  |  |  |  | Fair Value |  | Fair Value |  |
| Gain on |  |  |  |  |  | Adjustment |  | Adjustment |  |
| Available-for- |  | Pension |  |  |  | for Cash |  | for Cash |  |
| Sale |  | Liability |  |  |  | Flow |  | Flow |  |
| Securities |  | Adjustment |  | Total |  | Hedges |  | Hedges |  | Total
| (In thousands)
Balance at December 31, 2014 | $ | 28,008 |  |  | $ | (89,763 | ) |  | $ | (61,755 | ) |  | $ | — |  |  | $ | — |  |  | $ | (61,755 | )
Amounts reclassified from AOCI (pre-tax) | (22,552 | ) |  | 4,464 |  |  | (18,088 | ) |  | — |  |  | — |  |  | (18,088 | )
Income tax impact of amounts reclassified | 8,838 |  |  | (1,749 | ) |  | 7,089 |  |  | — |  |  | — |  |  | 7,089 |
Other OCI changes (pre-tax) | 3,095 |  |  | — |  |  | 3,095 |  |  | — |  |  | (704 | ) |  | 2,391 |
Income tax impact of other OCI changes | (1,213 | ) |  | — |  |  | (1,213 | ) |  | — |  |  | 276 |  |  | (937 | )
Net change after income taxes | (11,832 | ) |  | 2,715 |  |  | (9,117 | ) |  | — |  |  | (428 | ) |  | (9,545 | )
Balance at September 30, 2015 | $ | 16,176 |  |  | $ | (87,048 | ) |  | $ | (70,872 | ) |  | $ | — |  |  | $ | (428 | ) |  | $ | (71,300 | )
Balance at December 31, 2013 | $ | 25,748 |  |  | $ | (83,625 | ) |  | $ | (57,877 | ) |  | $ | (263 | ) |  | $ | — |  |  | $ | (58,140 | )
Amounts reclassified from AOCI (pre-tax) | (11,544 | ) |  | 3,864 |  |  | (7,680 | ) |  | 167 |  |  | — |  |  | (7,513 | )
Income tax impact of amounts reclassified | 4,547 |  |  | (1,524 | ) |  | 3,023 |  |  | (58 | ) |  | — |  |  | 2,965 |
Other OCI changes (pre-tax) | 10,202 |  |  | — |  |  | 10,202 |  |  | (153 | ) |  | — |  |  | 10,049 |
Income tax impact of other OCI changes | (3,946 | ) |  | — |  |  | (3,946 | ) |  | 53 |  |  | — |  |  | (3,893 | )
Net change after income taxes | (741 | ) |  | 2,340 |  |  | 1,599 |  |  | 9 |  |  | — |  |  | 1,608 |
Balance at September 30, 2014 | $ | 25,007 |  |  | $ | (81,285 | ) |  | $ | (56,278 | ) |  | $ | (254 | ) |  | $ | — |  |  | $ | (56,532 | )
Pre-tax amounts reclassified from AOCI related to “Unrealized Gain on Available-for-Sale Securities” are included in “Gains on available-for-sale securities” in the Condensed Consolidated Statements of Earnings. Pre-tax amounts reclassified from AOCI related to “Pension Liability Adjustment” are reclassified to “Operating Expenses – Administrative and general” in the Condensed Consolidated Statements of Earnings. For the nine months ended September 30, 2015 and 2014, 22.4% and 23.6% of the pension amounts reclassified were capitalized into construction work in process and 2.5% and 1.7% was capitalized into other accounts. Pre-tax amounts reclassified from AOCI related to “Fair Value Adjustment for Cash Flow Hedges” are reclassified to “Interest Charges” in the Condensed Consolidated Statements of Earnings. An insignificant amount was capitalized as AFUDC. 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d),(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -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=27012166&loc=d3e187085-122770 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C + Details
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