Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2015

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Information regarding AOCI is as follows:

	Accumulated Other Comprehensive Income (Loss)
	PNM									TNMP			PNMR
	Unrealized Gains on Available-for-Sale Securities			Pension Liability Adjustment			Total			Fair Value Adjustment for Cash Flow Hedges			Fair Value Adjustment for Cash Flow Hedges			Total
	(In thousands)
Balance at December 31, 2012	$	16,406		$	(97,820	)	$	(81,414	)	$	(216	)	$	—		$	(81,630	)
Amounts reclassified from AOCI (pre-tax)	(11,956		)	6,364			(5,592		)	207			—			(5,385		)
Income tax impact of amounts reclassified	4,734			(2,524		)	2,210			(73		)	—			2,137
Other OCI changes (pre-tax)	27,419			17,136			44,555			(279		)	—			44,276
Income tax impact of other OCI changes	(10,855		)	(6,781		)	(17,636		)	98			—			(17,538		)
Net change after income taxes	9,342			14,195			23,537			(47		)	—			23,490
Balance at December 31, 2013	25,748			(83,625		)	(57,877		)	(263		)	—			(58,140		)
Amounts reclassified from AOCI (pre-tax)	(13,862		)	5,152			(8,710		)	558			—			(8,152		)
Income tax impact of amounts reclassified	5,461			(2,032		)	3,429			(195		)	—			3,234
Other OCI changes (pre-tax)	17,473			(15,282		)	2,191			(153		)	—			2,038
Income tax impact of other OCI changes	(6,812		)	6,024			(788		)	53			—			(735		)
Net change after income taxes	2,260			(6,138		)	(3,878		)	263			—			(3,615		)
Balance at December 31, 2014	28,008			(89,763		)	(61,755		)	—			—			(61,755		)
Amounts reclassified from AOCI (pre-tax)	(28,531		)	5,952			(22,579		)	—			—			(22,579		)
Income tax impact of amounts reclassified	11,181			(2,332		)	8,849			—			—			8,849
Other OCI changes (pre-tax)	10,998			(4,405		)	6,593			—			72			6,665
Income tax impact of other OCI changes	(4,310		)	1,726			(2,584		)	—			(28		)	(2,612		)
Net change after income taxes	(10,662		)	941			(9,721		)	—			44			(9,677		)
Balance at December 31, 2015	$	17,346		$	(88,822	)	$	(71,476	)	$	—		$	44		$	(71,432	)