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Shareholders' equity Details 2 (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Interest rate contracts (settled in 2011) | $ 75,479 | $ 78,151 | $ 82,106
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | (23,280) | (15,291) | (9,364)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | 222,595 | (75,471) | (100,692)
Amount reclassified from AOCI |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Total reclassifications | (199,818) | 90,917 | 110,013
Amount reclassified from AOCI | Derivatives qualified as cash flow hedges Interest rate contracts (settled in 2011) |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net realized gains on securities | (738) | (81) | (224)
Interest rate contracts (settled in 2011) | 235 | 236 | 181
Amount reclassified from AOCI | Retirement benefit plan items |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | 23,280 | 15,291 | 9,364
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | (222,595) | 75,471 | 100,692
Hawaiian Electric Company, Inc. and Subsidiaries |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | (20,694) | (13,673) | (8,372)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | 222,595 | (75,471) | (100,692)
Hawaiian Electric Company, Inc. and Subsidiaries | Amount reclassified from AOCI |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Total reclassifications | (201,901) | 89,144 | 109,064
Hawaiian Electric Company, Inc. and Subsidiaries | Amount reclassified from AOCI | Retirement benefit plan items |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | 20,694 | 13,673 | 8,372
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | $ (222,595) | $ 75,471 | $ 100,692

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- Definition Reclassification adjustments on pension and post retirement benefits for the accounting impact of the decisions issued by the Public Utilities Commission, net of income taxes. + References No definition available. + Details
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- Definition The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Subparagraph h -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 3 -Article 7 + Details
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