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Other Income and Other Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Other income: |  |  |
Interest income | $ 3,497 | $ 884 | $ 493
Miscellaneous | 509 | 17 | 128
Total other income | 4,006 | 901 | 621
Other expense: |  |  |
Non-operating costs | (11,749) | (9,235) | (11,292)
Investment losses — net | (4,113) | (1,747) | (2,080)
Miscellaneous | (5,677) | (4,355) | (4,451)
Total other expense | (21,539) | (15,337) | (17,823)
ARIZONA PUBLIC SERVICE COMPANY |  |  |
Other income: |  |  |
Interest income | 2,858 | 261 | 163
Gain on disposition of property | 2,048 | 5,745 | 716
Miscellaneous | 1,620 | 2,601 | 1,955
Total other income | 6,526 | 8,607 | 2,834
Other expense: |  |  |
Non-operating costs | (12,395) | (11,034) | (11,648)
Loss on disposition of property | (5,424) | (1,246) | (2,219)
Miscellaneous | (5,561) | (5,234) | (5,152)
Total other expense | $ (23,380) | $ (17,514) | $ (19,019)

X
- Definition Amount of miscellaneous other nonoperating expenses resulting from ancillary business-related activities (that is, excluding major activities considered as a part of the normal operations of the business). + References No definition available. + Details
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230 + Details
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