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Other Income and Other Expense (Tables) | 6 Months Ended
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Jun. 30, 2018
Component of Other Income and Other Expense Nonoperating [Line Items] |
Detail of other income and other expense | The following table provides detail of Pinnacle West's Consolidated other income and other expense for the three and six months ended June 30, 2018 and 2017 (dollars in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Other income: |  |  |  |  |  |  |  |  |  |  |
Interest income | $ | 2,408 |  |  | $ | 387 |  |  | $ | 4,299 |  |  | $ | 864 |
Debt return on Four Corners SCR deferral (Note 4) | 4,188 |  |  | — |  |  | 6,280 |  |  | — |
Miscellaneous | 2 |  |  | 97 |  |  | 4 |  |  | 100 |
Total other income | $ | 6,598 |  |  | $ | 484 |  |  | $ | 10,583 |  |  | $ | 964 |
Other expense: |  |  |  |  |  |  |  |  |  |  |
Non-operating costs | $ | (3,278 | ) |  | $ | (3,401 | ) |  | $ | (4,924 | ) |  | $ | (5,360 | )
Investment losses — net | (174 | ) |  | (227 | ) |  | (350 | ) |  | (528 | )
Miscellaneous | (319 | ) |  | (194 | ) |  | (1,726 | ) |  | (1,614 | )
Total other expense | $ | (3,771 | ) |  | $ | (3,822 | ) |  | $ | (7,000 | ) |  | $ | (7,502 | )
APS |
Component of Other Income and Other Expense Nonoperating [Line Items] |
Detail of other income and other expense | The following table provides detail of APS’s other income and other expense for the three and six months ended June 30, 2018 and 2017 (dollars in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Other income: |  |  |  |  |  |  |  |  |  |  |
Interest income | $ | 2,046 |  |  | $ | 257 |  |  | $ | 3,724 |  |  | $ | 596 |
Debt return on Four Corners SCR deferral (Note 4) | 4,188 |  |  | — |  |  | 6,280 |  |  | — |
Miscellaneous | 1 |  |  | 95 |  |  | 3 |  |  | 98 |
Total other income | $ | 6,235 |  |  | $ | 352 |  |  | $ | 10,007 |  |  | $ | 694 |
Other expense: |  |  |  |  |  |  |  |  |  |  |
Non-operating costs | $ | (3,057 | ) |  | $ | (3,149 | ) |  | $ | (4,596 | ) |  | $ | (4,899 | )
Miscellaneous | (315 | ) |  | (152 | ) |  | (1,722 | ) |  | (1,530 | )
Total other expense | $ | (3,372 | ) |  | $ | (3,301 | ) |  | $ | (6,318 | ) |  | $ | (6,429 | )

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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