Earnings and Dividends Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Computation of Earnings per Share and Dividends per Share

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

	Year Ended December 31,
	2017		2016		2015
	(In thousands, except per share amounts)
Net Earnings Attributable to PNMR	$	79,874	$	116,849	$	15,640
Average Number of Common Shares:
Outstanding during year	79,654		79,654		79,654
Vested awards of restricted stock	237		104		105
Average Shares – Basic	79,891		79,758		79,759
Dilutive Effect of Common Stock Equivalents:
Stock options and restricted stock	250		374		380
Average Shares – Diluted	80,141		80,132		80,139
Net Earnings Attributable to PNMR Per Share of Common Stock:
Basic	$	1.00	$	1.47	$	0.20
Diluted	$	1.00	$	1.46	$	0.20
Dividends Declared per Common Share	$	0.9925	$	0.9025	$	0.8200