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Shareholders' equity Reclassification Out Of AOCI (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Interest rate contracts (settled in 2011) | $ 76,352 | $ 75,479 | $ 78,151
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | (11,344) | (23,280) | (15,291)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | (207,833) | 222,595 | (75,471)
Amount reclassified from AOCI |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Total reclassifications | 217,698 | (199,818) | 90,917
Amount reclassified from AOCI | Unrealized losses on derivatives |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Net realized gains on securities | (1,715) | (738) | (81)
Interest rate contracts (settled in 2011) | 236 | 235 | 236
Amount reclassified from AOCI | Retirement benefit plans |  |  |
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 | 11,344 | 23,280 | 15,291
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | 207,833 | (222,595) | 75,471
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 | (10,212) | (20,694) | (13,673)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | (207,833) | 222,595 | (75,471)
Hawaiian Electric Company, Inc. and Subsidiaries | Amount reclassified from AOCI |  |  |
Reclassification Adjustment Out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Total reclassifications | 218,045 | (201,901) | 89,144
Hawaiian Electric Company, Inc. and Subsidiaries | Amount reclassified from AOCI | Retirement benefit plans |  |  |
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 | 10,212 | 20,694 | 13,673
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | $ 207,833 | $ (222,595) | $ 75,471

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