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Accumulated Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Jun. 30, 2016
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | Information regarding accumulated other comprehensive income (loss) for the six months ended June 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) | (5,049 | ) |  | 2,752 |  |  | (2,297 | ) |  | 371 |  |  | (1,926 | )
Income tax impact of amounts reclassified | 1,970 |  |  | (1,074 | ) |  | 896 |  |  | (145 | ) |  | 751 |
Other OCI changes (pre-tax) | (1,695 | ) |  | — |  |  | (1,695 | ) |  | (1,746 | ) |  | (3,441 | )
Income tax impact of other OCI changes | 661 |  |  | — |  |  | 661 |  |  | 681 |  |  | 1,342 |
Net change after income taxes | (4,113 | ) |  | 1,678 |  |  | (2,435 | ) |  | (839 | ) |  | (3,274 | )
Balance at June 30, 2016 | $ | 13,233 |  |  | $ | (87,144 | ) |  | $ | (73,911 | ) |  | $ | (795 | ) |  | $ | (74,706 | )
Balance at December 31, 2014 | $ | 28,008 |  |  | $ | (89,763 | ) |  | $ | (61,755 | ) |  | $ | — |  |  | $ | (61,755 | )
Amounts reclassified from AOCI (pre-tax) | (12,537 | ) |  | 2,976 |  |  | (9,561 | ) |  | — |  |  | (9,561 | )
Income tax impact of amounts reclassified | 4,913 |  |  | (1,166 | ) |  | 3,747 |  |  | — |  |  | 3,747 |
Other OCI changes (pre-tax) | 6,157 |  |  | — |  |  | 6,157 |  |  | — |  |  | 6,157 |
Income tax impact of other OCI changes | (2,413 | ) |  | — |  |  | (2,413 | ) |  | — |  |  | (2,413 | )
Net change after income taxes | (3,880 | ) |  | 1,810 |  |  | (2,070 | ) |  | — |  |  | (2,070 | )
Balance at June 30, 2015 | $ | 24,128 |  |  | $ | (87,953 | ) |  | $ | (63,825 | ) |  | $ | — |  |  | $ | (63,825 | )

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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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