Condensed Consolidated Statements of Comprehensive Income (unaudited) - HECO (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Retirement benefit plans:
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, tax	$ (154)	$ (122)
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, tax	159	147
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	(176)	(163)
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, tax	$ 159	$ 147