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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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