Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	$ 1,088	$ (1,798)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	301	172
Pension liability adjustment, income tax expense (benefit)	527	470
Change in fair market value, net of income tax (expense) benefit of $311 and $(472)	507	311
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(68) and $13	10	(68)
PNM
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	1,088	(1,798)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	301	172
Pension liability adjustment, income tax expense (benefit)	$ (527)	$ (470)

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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