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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit | $ (2,777) | $ 2,791 | $ (5,783) | $ 661
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit) | 1,629 | (2,404) | 2,701 | 1,970
Pension liability adjustment, income tax expense (benefit) | (626) | (537) | (1,252) | (1,074)
Change in fair market value, income tax (expense) benefit | 40 | 178 | 112 | 681
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit) | (82) | (88) | (125) | (145)
PNM |  |  |  |
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit | (2,777) | 2,791 | (5,783) | 661
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit) | 1,629 | (2,404) | 2,701 | 1,970
Pension liability adjustment, income tax expense (benefit) | $ (626) | $ (537) | $ (1,252) | $ (1,074)

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- Definition Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 2: 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=84228862&loc=d3e640-108580 + Details
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