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Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Property, plant and equipment, accumulated depreciation | $ 2,873,348 | $ 2,765,569
Preferred stock, no par value (in dollars per share) | $ 0 | $ 0
Preferred stock, authorized shares (in shares) | 10,000,000 | 10,000,000
Preferred stock, issued shares (in shares) | 0 | 0
Common stock, no par value (in dollars per share) | $ 0 | $ 0
Common stock, authorized shares (in shares) | 200,000,000 | 200,000,000
Common stock, issued shares (in shares) | 109,181,124 | 108,973,328
Common stock, outstanding shares (in shares) | 109,181,124 | 108,973,328
Hawaiian Electric Company, Inc. and Subsidiaries |  |
Nonutility property, plant and equipment, accumulated depreciation | $ 114 | $ 111
Common stock, par value (in dollars per share) | $ 6.67 | $ 6.67
Common stock, authorized shares (in shares) | 50,000,000 | 50,000,000
Common stock, outstanding shares (in shares) | 17,048,783 | 17,048,783

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