Financing (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Schedule of Short-term Debt [Table Text Block]

Short-term debt outstanding consists of:

	December 31,
Short-term Debt	2013		2012
	(In thousands)
PNM Revolving Credit Facility	$	49,200	$	21,100
TNMP Revolving Credit Facility	—		—
PNMR
Revolving Credit Facility	—		37,600
PNMR Term Loan Agreement	100,000		100,000
	$	149,200	$	158,700

Schedule of Long-term Debt Instruments [Table Text Block]

Information concerning long-term debt outstanding is as follows:

	December 31,
Long-term Debt	2013			2012
	(In thousands)
PNM Debt
Senior Unsecured Notes, Pollution Control Revenue Bonds:
4.875% due 2033	$	146,000		$	146,000
6.25% due 2038	36,000			36,000
4.75% due 2040, mandatory tender at June 1, 2017	37,000			37,000
5.20% due 2040, mandatory tender at June 1, 2020	40,045			40,045
5.90% due 2040	255,000			255,000
6.25% due 2040	11,500			11,500
2.54% due 2042, mandatory tender at June 1, 2017	20,000			20,000
4.00% due 2043, mandatory tender at June 1, 2015	39,300			39,300
5.20% due 2043, mandatory tender at June 1, 2020	21,000			21,000
Senior Unsecured Notes:
7.95% due 2018	350,000			350,000
7.50% due 2018	100,025			100,025
5.35% due 2021	160,000			160,000
PNM Term Loan Agreement due 2014	75,000			—
Unamortized premiums (discounts)	(252		)	(291		)
	1,290,618			1,215,579
Less current maturities	75,000			—
	1,215,618			1,215,579
TNMP Debt
First Mortgage Bonds:
2011 Term Loan Agreement, due 2014	50,000			50,000
9.50% due 2019, Series 2009A	172,302			265,500
6.95% due 2043, Series 2013A	93,198			—
Unamortized premiums (discounts)	20,536			(3,911		)
	336,036			311,589
Less current maturities	—			—
	336,036			311,589
PNMR Debt
Senior unsecured notes, 9.25% due 2015	118,766			142,592
Other	—			2,530
	118,766			145,122
Less current maturities	—			2,530
	118,766			142,592
Total Consolidated PNMR Debt	1,745,420			1,672,290
Less current maturities	75,000			2,530
	$	1,670,420		$	1,669,760

Schedule of Maturities of Long-term Debt [Table Text Block]

Reflecting mandatory tender dates, long-term debt matures as follows:

	PNMR		PNM		TNMP		PNMR Consolidated
	(In thousands)
2014	$	—	$	75,000	$	—	$	75,000
2015	118,766		39,300		—		158,066
2016	—		—		—		—
2017	—		57,000		—		57,000
2018	—		450,025		—		450,025
Thereafter	—		669,545		315,500		985,045
Total	$	118,766	$	1,290,870	$	315,500	$	1,725,136

The TNMP 2011 Term Loan Agreement, which is due on June 30, 2014, is not reflected as maturing in 2014 in the above tables since TNMP has entered into the TNMP 2013 Bond Purchase Agreement to re-finance that debt on a long-term basis as discussed in Financing Activities above.