Condensed Consolidated Statements of Comprehensive Income (unaudited) - HECO (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Retirement benefit plans:
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, tax	$ (153)	$ 1,943	$ (397)	$ 3,549
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, tax	163	(1,839)	458	(3,320)
Hawaiian Electric Company, Inc. and Subsidiaries
Retirement benefit plans:
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, tax	(190)	1,877	(516)	3,393
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, tax	$ 163	$ (1,839)	$ 458	$ (3,320)