Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	$ (1,798)	$ (283)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	172	668
Pension liability adjustment, income tax expense (benefit)	(470)	(480)
Change in fair market value, net of income tax (expense) benefit of $311 and $(472)	311
Change in fair market value, income tax (expense) benefit		(472)
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(68) and $13	(68)
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)		13
PNM
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	(1,798)	(283)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	172	668
Pension liability adjustment, income tax expense (benefit)	$ (470)	$ (480)

Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent.

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