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Accumulated Other Comprehensive Income (Loss) | 9 Months Ended
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Sep. 30, 2017
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, 2017 and 2016 is as follows:
| Accumulated Other Comprehensive Income (Loss)
| PNM |  | PNMR
| Unrealized |  |  |  |  |  | Fair Value |  |
| Gains on |  |  |  |  |  | Adjustment |  |
| Available-for- |  | Pension |  |  |  | for Cash |  |
| Sale |  | Liability |  |  |  | Flow |  |
| Securities |  | Adjustment |  | Total |  | Hedges |  | Total
| (In thousands)
Balance at December 31, 2016 | $ | 4,320 |  |  | $ | (96,748 | ) |  | $ | (92,428 | ) |  | $ | (23 | ) |  | $ | (92,451 | )
Amounts reclassified from AOCI (pre-tax) | (11,088 | ) |  | 4,839 |  |  | (6,249 | ) |  | 484 |  |  | (5,765 | )
Income tax impact of amounts reclassified | 4,302 |  |  | (1,878 | ) |  | 2,424 |  |  | (187 | ) |  | 2,237 |
Other OCI changes (pre-tax) | 22,302 |  |  | — |  |  | 22,302 |  |  | (278 | ) |  | 22,024 |
Income tax impact of other OCI changes | (8,654 | ) |  | — |  |  | (8,654 | ) |  | 108 |  |  | (8,546 | )
Net after-tax change | 6,862 |  |  | 2,961 |  |  | 9,823 |  |  | 127 |  |  | 9,950 |
Balance at September 30, 2017 | $ | 11,182 |  |  | $ | (93,787 | ) |  | $ | (82,605 | ) |  | $ | 104 |  |  | $ | (82,501 | )
Balance at December 31, 2015 | $ | 17,346 |  |  | $ | (88,822 | ) |  | $ | (71,476 | ) |  | $ | 44 |  |  | $ | (71,432 | )
Amounts reclassified from AOCI (pre-tax) | (10,135 | ) |  | 4,128 |  |  | (6,007 | ) |  | 573 |  |  | (5,434 | )
Income tax impact of amounts reclassified | 3,955 |  |  | (1,611 | ) |  | 2,344 |  |  | (224 | ) |  | 2,120 |
Other OCI changes (pre-tax) | 3,115 |  |  | — |  |  | 3,115 |  |  | (1,305 | ) |  | 1,810 |
Income tax impact of other OCI changes | (1,216 | ) |  | — |  |  | (1,216 | ) |  | 509 |  |  | (707 | )
Net after-tax change | (4,281 | ) |  | 2,517 |  |  | (1,764 | ) |  | (447 | ) |  | (2,211 | )
Balance at September 30, 2016 | $ | 13,065 |  |  | $ | (86,305 | ) |  | $ | (73,240 | ) |  | $ | (403 | ) |  | $ | (73,643 | )
Pre-tax amounts reclassified from AOCI related to “Unrealized Gains 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. 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 is included in capitalized interest. 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 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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