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Earnings Per Common Share Attributable To Avista Corporation | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share [Abstract] |
Earnings Per Common Share Attributable To Avista Corporation Shareholders | EARNINGS PER COMMON SHARE ATTRIBUTABLE TO AVISTA CORP. SHAREHOLDERS The following table presents the computation of basic and diluted earnings per common share attributable to Avista Corp. shareholders for the three and six months ended June 30 (in thousands, except per share amounts):
| Three months ended June 30, |  | Six months ended June 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Numerator: |  |  |  |  |  |  |
Net income attributable to Avista Corp. shareholders | $ | 21,771 |  |  | $ | 27,254 |  |  | $ | 83,887 |  |  | $ | 84,903 |
Denominator: |  |  |  |  |  |  |
Weighted-average number of common shares outstanding-basic | 64,401 |  |  | 63,386 |  |  | 64,382 |  |  | 62,995 |
Effect of dilutive securities: |  |  |  |  |  |  |
Performance and restricted stock awards | 152 |  |  | 397 |  |  | 129 |  |  | 373 |
Weighted-average number of common shares outstanding-diluted | 64,553 |  |  | 63,783 |  |  | 64,511 |  |  | 63,368 |
Earnings per common share attributable to Avista Corp. shareholders: |  |  |  |  |  |  |
Basic | $ | 0.34 |  |  | $ | 0.43 |  |  | $ | 1.30 |  |  | $ | 1.35 |
Diluted | $ | 0.34 |  |  | $ | 0.43 |  |  | $ | 1.30 |  |  | $ | 1.34 |
There were no shares excluded from the calculation because they were antidilutive.

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