Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net Earnings	$ 27,678	$ 21,512	$ 38,304	$ 38,592
Net Earnings	31,383	25,099	45,345	45,576
Unrealized Gain on Investment Securities:
Unrealized holding gains arising during the period, net of income tax (expense) benefit	443	4,611	5,190	15,924
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	(3,333)	(7,617)	(4,140)	(13,028)
Pension Liability Adjustment:
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, net of income tax expense (benefit)	960	727	1,920	1,454
Fair Value Adjustment for Cash Flow Hedges:
Change in fair market value, net of income tax (expense) benefit	(6)	(72)	2	(178)
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit)	33	29	64	56
Total Other Comprehensive Income (Loss)	(1,903)	(2,322)	3,036	4,228
Comprehensive Income	29,480	22,777	48,381	49,804
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	(3,573)	(3,455)	(6,777)	(6,720)
Preferred Stock Dividend Requirements of Subsidiary	(132)	(132)	(264)	(264)
Comprehensive Income Attributable to PNMR	25,775	19,190	41,340	42,820
Public Service Company of New Mexico [Member]
Net Earnings	26,124	16,885	37,693	34,697
Net Earnings	29,697	20,340	44,470	41,417
Unrealized Gain on Investment Securities:
Unrealized holding gains arising during the period, net of income tax (expense) benefit	443	4,611	5,190	15,924
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	(3,333)	(7,617)	(4,140)	(13,028)
Pension Liability Adjustment:
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, net of income tax expense (benefit)	960	727	1,920	1,454
Fair Value Adjustment for Cash Flow Hedges:
Total Other Comprehensive Income (Loss)	(1,930)	(2,279)	2,970	4,350
Comprehensive Income	27,767	18,061	47,440	45,767
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	(3,573)	(3,455)	(6,777)	(6,720)
Comprehensive Income Attributable to PNMR	24,194	14,606	40,663	39,047
Texas-New Mexico Power Company [Member]
Net Earnings	8,339	8,018	12,065	11,029
Fair Value Adjustment for Cash Flow Hedges:
Change in fair market value, net of income tax (expense) benefit	(6)	(72)	2	(178)
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit)	33	29	64	56
Total Other Comprehensive Income (Loss)	27	(43)	66	(122)
Comprehensive Income Attributable to PNMR	$ 8,366	$ 7,975	$ 12,131	$ 10,907