Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Information regarding the computation of earnings per share is as follows:

	Three Months Ended
	March 31,
	2013		2012
	(In thousands, except per share amounts)
Net Earnings Attributable to PNMR	$	10,626	$	17,080
Average Number of Common Shares:
Outstanding during period	79,654		79,654
Vested awards of restricted stock	211		200
Average Shares - Basic	79,865		79,854
Dilutive Effect of Common Stock Equivalents (1):
Stock options and restricted stock	715		621
Average Shares - Diluted	80,580		80,475
Net Earnings Per Share of Common Stock:
Basic	$	0.13	$	0.21
Diluted	$	0.13	$	0.21

⁽¹⁾  Excludes the effect of out-of-the-money options for 827,977 shares of common stock at March 31, 2013.