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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Earnings Per Weighted Average Common Share Outstanding | The following table presents the calculation of Pinnacle West’s basic and diluted earnings per share (in thousands, except per share amounts):
| Three Months Ended March 31, |  |
| 2023 |  | 2022 |  |  |  |
Net income (loss) attributable to common shareholders | $ | (3,297) |  |  | $ | 16,956 |  |  |  |  |
Weighted average common shares outstanding — basic | 113,358 |  |  | 113,102 |  |  |  |  |
Net effect of dilutive securities: |  |  |  |  |  |  |
Contingently issuable performance shares and restricted stock units | 239 |  |  | 193 |  |  |  |  |
Weighted average common shares outstanding — diluted | 113,597 |  |  | 113,295 |  |  |  |  |
Earnings per weighted-average common share outstanding |  |  |  |  |  |  |
Net income (loss) attributable to common shareholders — basic | $ | (0.03) |  |  | $ | 0.15 |  |  |  |  |
Net income (loss) attributable to common shareholders — diluted | $ | (0.03) |  |  | $ | 0.15 |  |  |  |  |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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