Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2016

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

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

	Three Months Ended
	March 31,
	2016		2015
	(In thousands)
Services billings:
PNMR to PNM	$	22,734	$	22,727
PNMR to TNMP	7,048		7,078
PNM to TNMP	106		92
TNMP to PNMR	10		10
Interest billings:
PNMR to TNMP	50		79
PNMR to PNM	—		6
PNM to PNMR	36		29
Income tax sharing payments:
PNMR to PNM	—		—
PNMR to TNMP	—		—