Condensed Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income for common stock	$ 48,887	$ 42,512	$ 82,307	$ 88,200
Net unrealized gains on available-for-sale investment securities:
Net unrealized gains (losses) on available-for-sale investment securities arising during the period, net of taxes	973	14,154	20,421	23,593
Reclassification adjustment for net realized gains included in net income, net of taxes	(1,638)	0	(1,638)	0
Derivatives qualifying as cash flow hedges:
Unrealized interest rate hedging losses arising during the period, net of taxes	(198)	(660)	(1,982)	(1,063)
Retirement benefit plans:
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of taxes	5,690	2,503	11,396	5,006
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes	(5,159)	(2,298)	(10,317)	(4,596)
Other comprehensive income (loss), net of taxes	(332)	13,699	17,880	22,940
Comprehensive income attributable to Hawaiian Electric Industries, Inc.	48,555	56,211	100,187	111,140
Hawaiian Electric Company, Inc. and Subsidiaries
Net income for common stock	42,329	32,574	66,234	64,700
Retirement benefit plans:
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of taxes	5,184	2,321	10,368	4,643
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes	(5,159)	(2,298)	(10,317)	(4,596)
Other comprehensive income (loss), net of taxes	25	23	51	47
Comprehensive income attributable to Hawaiian Electric Industries, Inc.	$ 42,354	$ 32,597	$ 66,285	$ 64,747