Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	$ 329	$ (1,278)	$ 246	$ (3,746)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	632	1,041	2,062	1,818
Pension liability adjustment, income tax expense (benefit)	(530)	(527)	(1,590)	(1,581)
Change in fair market value, net of income tax (expense) benefit of $311 and $(472)	0	(313)	(458)	(9)
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(68) and $13	0	157	229	284
PNM
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	329	(1,278)	246	(3,746)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	632	1,041	2,062	1,818
Pension liability adjustment, income tax expense (benefit)	$ (530)	$ (527)	$ (1,590)	$ (1,581)

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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Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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