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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 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 June 30, |  | Six Months Ended June 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
Net income attributable to common shareholders | $ | 106,663 |  |  | $ | 164,312 |  |  | $ | 103,366 |  |  | $ | 181,268 |
Weighted average common shares outstanding — basic | 113,411 |  |  | 113,172 |  |  | 113,385 |  |  | 113,137 |
Net effect of dilutive securities: |  |  |  |  |  |  |
Contingently issuable performance shares and restricted stock units | 306 |  |  | 197 |  |  | 272 |  |  | 195 |
Weighted average common shares outstanding — diluted | 113,717 |  |  | 113,369 |  |  | 113,657 |  |  | 113,332 |
Earnings per weighted-average common share outstanding |  |  |  |  |  |  |
Net income attributable to common shareholders — basic | $ | 0.94 |  |  | $ | 1.45 |  |  | $ | 0.91 |  |  | $ | 1.60 |
Net income attributable to common shareholders — diluted | $ | 0.94 |  |  | $ | 1.45 |  |  | $ | 0.91 |  |  | $ | 1.60 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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