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Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - HECO - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Effective portion of foreign currency hedge net unrealized gain, taxes $ 638 $ 0
Less: amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits 2,257 3,486
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, taxes (2,052) (3,127)
Hawaiian Electric Company, Inc. and Subsidiaries    
Effective portion of foreign currency hedge net unrealized gain, taxes 638 0
Less: amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits 2,061 3,141
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, taxes $ 2,052 $ 3,127