Related Party Transactions (Tables)

6 Months Ended

Jun. 30, 2014

Related Party Transactions [Abstract]

Schedule of Related Party Transactions [Table Text Block]

The table below summarizes the nature and amount of related party transactions of PNMR, PNM, and TNMP:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2014		2013		2014		2013
	(In thousands)
Services billings:
PNMR to PNM	$	22,190	$	20,837	$	43,256	$	43,489
PNMR to TNMP	6,963		6,856		14,224		14,217
PNM to TNMP	133		133		242		241
TNMP to PNMR	—		2		—		4
Interest billings:
PNMR to TNMP	83		119		180		215
PNMR to PNM	—		—		54		1
PNM to PNMR	25		37		51		78
Income tax sharing payments:
PNMR to PNM	—		45,000		—		45,000
PNMR to TNMP	—		—		—		—