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Earnings per share and shareholders' equity (Details 2) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Reclassifications out of accumulated other comprehensive income/(loss) |  |
Interest expense | $ 19,456 | $ 18,731
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | (2,813) | (6,021)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | 2,510 | 5,313
Amount reclassified from AOCI |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |
Total reclassifications | (1,353) | 767
Net unrealized losses on securities | Amount reclassified from AOCI |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |
Revenues-bank (net gains on sales of securities) | (1,715) | 0
Derivatives qualified as cash flow hedges Interest rate contracts (settled in 2011) | Interest rate contracts | Amount reclassified from AOCI |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |
Interest expense | 59 | 59
Retirement benefits plans | Amount reclassified from AOCI |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | 2,813 | 6,021
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | (2,510) | (5,313)
Hawaiian Electric Company, Inc. and Subsidiaries |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | (2,519) | (5,331)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | 2,510 | 5,313
Hawaiian Electric Company, Inc. and Subsidiaries | Amount reclassified from AOCI |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |
Total reclassifications | 9 | 18
Hawaiian Electric Company, Inc. and Subsidiaries | Retirement benefits plans | Amount reclassified from AOCI |  |
Reclassifications out of accumulated other comprehensive income/(loss) |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost | 2,519 | 5,331
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets | $ (2,510) | $ (5,313)

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