Condensed Consolidated Balance Sheets (unaudited) - HECO (parenthetical) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Shareholders’ equity
Common stock, authorized shares (in shares)	200,000,000	200,000,000
Common stock, shares outstanding (in shares)	172,465,608	110,151,798
Hawaiian Electric Company, Inc. and Subsidiaries
Utility property, plant and equipment
Accumulated depreciation on other property, plant and equipment	$ 42	$ 40
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