Condensed Consolidated Balance Sheets (unaudited) - HECO (parenthetical) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Shareholders’ equity
Common stock, authorized shares (in shares)	200,000,000	200,000,000
Common stock, shares outstanding (in shares)	109,611,599	109,470,795
Hawaiian Electric Company, Inc. and Subsidiaries
Utility property, plant and equipment
Accumulated depreciation on other property, plant and equipment	$ 65	$ 63
Shareholders’ equity
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, shares outstanding (in shares)	17,854,278	17,854,278