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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2016
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | Information regarding accumulated other comprehensive income (loss) for the nine months ended September 30, 2016 and 2015 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, 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 change after income taxes | (4,281 | ) |  | 2,517 |  |  | (1,764 | ) |  | (447 | ) |  | (2,211 | )
Balance at September 30, 2016 | $ | 13,065 |  |  | $ | (86,305 | ) |  | $ | (73,240 | ) |  | $ | (403 | ) |  | $ | (73,643 | )
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 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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