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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	$ (283)	$ (3,030)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	668	1,078
Pension liability adjustment, income tax expense (benefit)	(480)	(480)
Change in fair market value, income tax (expense) benefit	(472)	(631)
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)	13	(44)
PNM
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	(283)	(3,030)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	668	1,078
Pension liability adjustment, income tax expense (benefit)	$ (480)	$ (631)

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
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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
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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

+ References

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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

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