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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Computation of Earnings Per Share | Information regarding the computation of earnings per share is as follows:
| Three Months Ended
| March 31,
| 2018 |  | 2017
| (In thousands, except per share amounts)
Net Earnings Attributable to PNMR | $ | 14,990 |  |  | $ | 22,862 |
Average Number of Common Shares: |  |  |
Outstanding during period | 79,654 |  |  | 79,654 |
Vested awards of restricted stock | 205 |  |  | 112 |
Average Shares – Basic | 79,859 |  |  | 79,766 |
Dilutive Effect of Common Stock Equivalents: |  |  |
Stock options and restricted stock | 154 |  |  | 346 |
Average Shares – Diluted | 80,013 |  |  | 80,112 |
Net Earnings Per Share of Common Stock: |  |  |
Basic | $ | 0.19 |  |  | $ | 0.29 |
Diluted | $ | 0.19 |  |  | $ | 0.29 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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