Financing (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Short-term Debt

Short-term debt outstanding consists of:

	December 31,
Short-term Debt	2015		2014
	(In thousands)
PNM:
PNM Revolving Credit Facility	$	—	$	—
PNM New Mexico Credit Facility	—		—
TNMP Revolving Credit Facility	59,000		5,000
PNMR
PNMR Revolving Credit Facility	41,600		600
PNMR Term Loan Agreement	150,000		100,000
	$	250,600	$	105,600

Schedule of Long-term Debt Outstanding

Information concerning long-term debt outstanding and unamortized (premiums), discounts, and debt issuance costs is as follows:

	December 31, 2015					December 31, 2014
	Principal		Unamortized Discounts, (Premiums), and Issuance Costs, net			Principal		Unamortized Discounts, (Premiums), and Issuance Costs, net
	(In thousands)
PNM Debt
Senior Unsecured Notes, Pollution Control Revenue Bonds:
4.875% due 2033	$	146,000	$	721		$	146,000	$	807
6.25% due 2038	36,000		251			36,000		262
4.75% due 2040, mandatory tender at June 1, 2017	37,000		82			37,000		138
5.20% due 2040, mandatory tender at June 1, 2020	40,045		190			40,045		233
5.90% due 2040	255,000		2,222			255,000		2,313
6.25% due 2040	11,500		100			11,500		104
2.54% due 2042, mandatory tender at June 1, 2017	20,000		199			20,000		331
4.00% due 2043, mandatory tender at June 1, 2015	—		—			39,300		36
2.40% due 2043, mandatory tender at June 1, 2020	39,300		456			—		—
5.20% due 2043, mandatory tender at June 1, 2020	21,000		96			21,000		118
Senior Unsecured Notes:
7.95% due 2018	350,000		1,718			350,000		2,441
7.50% due 2018	100,025		320			100,025		444
5.35% due 2021	160,000		943			160,000		1,106
3.85% due 2025	250,000		2,874			—		—
PNM Term Loan Agreement due 2015	—		—			175,000		—
PNM Multi-draw Term Loan due 2016	125,000		21			100,000		—
	1,590,870		10,193			1,490,870		8,333
Less current maturities	125,000		21			214,300		36
	1,465,870		10,172			1,276,570		8,297
TNMP Debt
First Mortgage Bonds:
9.50% due 2019, Series 2009A	172,302		2,682			172,302		3,508
6.95% due 2043, Series 2013A	93,198		(19,490		)	93,198		(20,208		)
4.03% due 2024, Series 2014A	80,000		897			80,000		959
	345,500		(15,911		)	345,500		(15,741		)
Less current maturities	—		—			—		—
	345,500		(15,911		)	345,500		(15,741		)
PNMR Debt
PNMR 2015 Term Loan Agreement due 2018	150,000		140			—		—
Senior unsecured notes, 9.25% due 2015	—		—			118,766		159
	150,000		140			118,766		159
Less current maturities	—		—			118,766		159
	150,000		140			—		—
Total Consolidated PNMR Debt	2,086,370		(5,578		)	1,955,136		(7,249		)
Less current maturities	125,000		21			333,066		195
	$	1,961,370	$	(5,599	)	$	1,622,070	$	(7,444	)

Schedule of Maturities of Long-term Debt

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

	PNMR		PNM		TNMP		PNMR Consolidated
	(In thousands)
2016	$	—	$	125,000	$	—	$	125,000
2017	—		57,000		—		57,000
2018	150,000		450,025		—		600,025
2019	—		—		172,302		172,302
2020	—		100,345		—		100,345
Thereafter	—		858,500		173,198		1,031,698
Total	$	150,000	$	1,590,870	$	345,500	$	2,086,370