Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net Earnings	$ 31,078	$ 130,909	$ 115,556
Net Earnings	15,640	116,254	100,507
Unrealized Gains on Available-for-Sale Securities:
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit	6,688	10,661	16,564
Reclassification adjustment for (gains) included in net earnings (loss), net of income tax expense	(17,350)	(8,401)	(7,222)
Pension Liability Adjustment:
Experience gain (loss), net of income tax (expense) benefit	(2,679)	(9,258)	10,355
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, net of income tax (expense) benefit	3,620	3,120	3,840
Fair Value Adjustment for Designated Cash Flow Hedges:
Change in fair market value, net of income tax (expense) benefit	44	(100)	(181)
Reclassification adjustment for (gains) losses included in net earnings (loss), net of income tax expense	0	363	134
Total Other Comprehensive Income (Loss)	(9,677)	(3,615)	23,490
Comprehensive Income	21,401	127,294	139,046
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	(14,910)	(14,127)	(14,521)
Preferred Stock Dividend Requirements of Subsidiary	(528)	(528)	(528)
Comprehensive Income Attributable to PNMR	5,963	112,639	123,997
Public Service Company of New Mexico [Member]
Net Earnings	(324)	101,453	102,676
Net Earnings	(15,234)	87,326	88,155
Unrealized Gains on Available-for-Sale Securities:
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit	6,688	10,661	16,564
Reclassification adjustment for (gains) included in net earnings (loss), net of income tax expense	(17,350)	(8,401)	(7,222)
Pension Liability Adjustment:
Experience gain (loss), net of income tax (expense) benefit	(2,679)	(9,258)	10,355
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, net of income tax (expense) benefit	3,620	3,120	3,840
Fair Value Adjustment for Designated Cash Flow Hedges:
Total Other Comprehensive Income (Loss)	(9,721)	(3,878)	23,537
Comprehensive Income	(10,045)	97,575	126,213
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	(14,910)	(14,127)	(14,521)
Preferred Stock Dividend Requirements of Subsidiary	(528)	(528)	(528)
Comprehensive Income Attributable to PNMR	(24,955)	83,448	111,692
Texas-New Mexico Power Company [Member]
Net Earnings	41,963	37,807	29,090
Fair Value Adjustment for Designated Cash Flow Hedges:
Change in fair market value, net of income tax (expense) benefit	0	(100)	(181)
Reclassification adjustment for (gains) losses included in net earnings (loss), net of income tax expense	0	363	134
Total Other Comprehensive Income (Loss)	0	263	(47)
Comprehensive Income Attributable to PNMR	$ 41,963	$ 38,070	$ 29,043