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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
Unrealized holding gains (losses) arising during the period, income tax (expense) | $ (4,972) | $ 1,123 | $ (15,409) | $ (8,157)
Reclassification adjustment for (gains) included in net earnings (loss), income tax expense | 4,248 | 1,593 | 12,789 | 11,555
Changes in unrecognized amounts of pension and postretirement benefits, income tax (expense) benefit | (476) | (425) | (1,428) | 176
Change in fair market value, income tax (expense) | 51 | 123 | 150 | 441
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit) | (16) | (827) | (47) | (1,129)
Public Service Company of New Mexico [Member] |  |  |  |
Unrealized holding gains (losses) arising during the period, income tax (expense) | (4,972) | 1,123 | (15,409) | (8,157)
Reclassification adjustment for (gains) included in net earnings (loss), income tax expense | 4,248 | 1,593 | 12,786 | 11,555
Changes in unrecognized amounts of pension and postretirement benefits, income tax (expense) benefit | (476) | (423) | (1,428) | 9
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit) | 0 | 0 | 0 | (11)
Texas-New Mexico Power Company [Member] |  |  |  |
Changes in unrecognized amounts of pension and postretirement benefits, income tax (expense) benefit | 0 | (1) | 0 | 169
Change in fair market value, income tax (expense) | 51 | 110 | 150 | 382
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit) | $ (16) | $ (850) | $ (47) | $ (1,052)

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- Definition Tax effect of unrealized holding gain (loss) before reclassification adjustments and transfers on available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e,f) -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e640-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 25 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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