Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	$ (2,871)	$ (1,877)	$ (8,654)	$ (1,216)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	1,601	1,985	4,302	3,955
Pension liability adjustment, income tax expense (benefit)	(626)	(537)	(1,878)	(1,611)
Change in fair market value, income tax (expense) benefit	(4)	(172)	108	509
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)	(62)	(79)	(187)	(224)
PNM
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	(2,871)	(1,877)	(8,654)	(1,216)
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	1,601	1,985	4,302	3,955
Pension liability adjustment, income tax expense (benefit)	$ (626)	$ (537)	$ (1,878)	$ (1,611)