Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Consolidated Statements of Comprehensive Income
Net income for common stock	$ 40,588	$ 38,800	$ 74,267	$ 77,116
Net unrealized gains (losses) on securities:
Net unrealized gains (losses) on securities arising during the period, net of (taxes) benefits of $5,485 and ($721) for the three months ended June 30, 2013 and 2012 and $6,032 and ($572) for the six months ended June 30, 2013 and 2012, respectively	(8,307)	1,093	(9,135)	867
Less: reclassification adjustment for net realized gains included in net income, net of taxes of $488 and $53 for the three months ended June 30, 2013 and 2012 and $488 and $53 for the six months ended June 30, 2013 and 2012, respectively	(738)	(81)	(738)	(81)
Derivatives qualified as cash flow hedges:
Less: reclassification adjustment to net income, net of tax benefits of $38 for the three months ended June 30, 2013 and 2012 and $75 for the six months ended June 30, 2013 and 2012	59	59	118	118
Retirement benefit plans:
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits of $3,630 and $2,405 for the three months ended June 30, 2013 and 2012 and $7,476 and $4,878 for the six months ended June 30, 2013 and 2012, respectively	5,680	3,768	11,701	7,641
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $3,184 and $2,095 for the three months ended June 30, 2013 and 2012 and $6,568 and $4,257 for the six months ended June 30, 2013 and 2012, respectively	(4,999)	(3,289)	(10,312)	(6,684)
Other comprehensive income (loss), net of taxes	(8,305)	1,550	(8,366)	1,861
Comprehensive income attributable to Hawaiian Electric Industries, Inc.	$ 32,283	$ 40,350	$ 65,901	$ 78,977