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Bank subsidiary (HEI only) (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Available-for-sale securities
Amortized cost	$ 535,090	$ 653,492
Gross unrealized gains	6,911	18,070
Gross unrealized losses	(12,994)	(204)
Estimated fair value	529,007	671,358
Available-for-sale Securities, Continuous Unrealized Loss Position
Fair value, less than 12 months	313,820	32,269
Gross unrealized losses, less than 12 months	(11,353)	(204)
Fair value, 12 months or longer	19,655	0
Gross unrealized losses, 12 months or longer	(1,641)	0
Federal agency obligations
Available-for-sale securities
Investment portfolio distribution (as a percent)	15.00%
Amortized cost	83,193	168,324
Gross unrealized gains	174	3,167
Gross unrealized losses	(2,394)	0
Estimated fair value	80,973	171,491
Available-for-sale Securities, Continuous Unrealized Loss Position
Fair value, less than 12 months	70,799	0
Gross unrealized losses, less than 12 months	(2,394)	0
Fair value, 12 months or longer	0	0
Gross unrealized losses, 12 months or longer	0	0
Mortgage-related securities - FNMA, FHLMC and GNMA
Available-for-sale securities
Investment portfolio distribution (as a percent)	70.00%
Amortized cost	374,993	407,175
Gross unrealized gains	4,911	10,412
Gross unrealized losses	(10,460)	(204)
Estimated fair value	369,444	417,383
Available-for-sale Securities, Continuous Unrealized Loss Position
Fair value, less than 12 months	228,543	32,269
Gross unrealized losses, less than 12 months	(8,819)	(204)
Fair value, 12 months or longer	19,655	0
Gross unrealized losses, 12 months or longer	(1,641)	0
Municipal bonds
Available-for-sale securities
Investment portfolio distribution (as a percent)	15.00%
Amortized cost	76,904	77,993
Gross unrealized gains	1,826	4,491
Gross unrealized losses	(140)	0
Estimated fair value	78,590	82,484
Available-for-sale Securities, Continuous Unrealized Loss Position
Fair value, less than 12 months	14,478	0
Gross unrealized losses, less than 12 months	(140)	0
Fair value, 12 months or longer	0	0
Gross unrealized losses, 12 months or longer	$ 0	$ 0

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