Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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+ Details

Regulatory restrictions on net assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Regulatory restrictions on net assets
Common stock equity	$ 2,202,499	$ 2,390,884	$ 2,337,502	$ 2,280,260
Hawaiian Electric Company, Inc. and Subsidiaries
Regulatory restrictions on net assets
Restrictions on transfer of net assets to the parent in the form of cash dividends, loans and advances	$ 951,000
Hawaiian Electric Company, Inc. and Subsidiaries
Regulatory restrictions on net assets
Total capitalization, percentage	35.00%
Distribution restrictions, percent of earnings in current year and 5 preceding years if capitalization rate is less than 35%	80.00%
Total capitalization rate of HEI's electric utility subsidiaries	57.00%
Common stock equity	$ 2,344,170	2,261,899	$ 2,141,918	$ 2,047,352
American Savings Bank (ASB)
Regulatory restrictions on net assets
Common stock equity	468,885	$ 727,818
Restrictions on transfer of net assets to the parent in the form of cash dividends, loans and advances	$ 194,000