Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net unrealized gains (losses) on securities arising during the period, taxes	$ 9,037	$ (631)	$ (4,343)
Less: reclassification adjustment for net realized gains included in net income, taxes	(488)	(53)	(148)
Net unrealized holding losses arising during the period, tax benefits	0	0	4
Less: reclassification adjustment to net income, net of tax benefits of $150, $150 and $115 for 2013, 2012 and 2011, respectively	150	150	115
Prior service credit arising during the period, taxes	0	0	(4,422)
Net gains (losses) arising during the period, tax benefits	(142,478)	63,303	83,147
Less: amortization of net loss, prior service gain and transition obligation included in net periodic benefit cost, tax benefits	14,870	9,764	5,976
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of (taxes) benefits of $141,777, ($48,299) and ($64,134) for 2013, 2012 and 2011, respectively	(141,777)	48,299	64,134
Hawaiian Electric Company, Inc. and Subsidiaries
Prior service credit arising during the period, taxes	0	0	(4,408)
Net gains (losses) arising during the period, tax benefits	(129,601)	57,375	74,346
Less: amortization of net loss, prior service gain and transition obligation included in net periodic benefit cost, tax benefits	13,180	8,709	5,332
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of (taxes) benefits of $141,777, ($48,299) and ($64,134) for 2013, 2012 and 2011, respectively	$ (141,777)	$ 48,069	$ 64,134