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Consolidated Statements of Comprehensive Income (Parenthetical) - HECO - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Foreign currency hedge net unrealized loss, (taxes) benefits $ 0 $ 0 $ 179
Reclassification adjustment to net income, tax (benefits) (289) 76
Net gains (losses) arising during the period, (taxes) benefits (9,810) 41,129 (27,703)
Amortization of net loss, prior service gain and transition obligation included in net periodic benefit cost, tax benefits 7,317 10,041 9,267
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, (taxes) benefits (2,887) 49,523 (18,206)
Hawaiian Electric Company, Inc. and Subsidiaries      
Foreign currency hedge net unrealized loss, (taxes) benefits 0 0 179
Reclassification adjustment to net income, tax (benefits) 0 (289) 110
Net gains (losses) arising during the period, (taxes) benefits (9,024) 39,587 (27,153)
Amortization of net loss, prior service gain and transition obligation included in net periodic benefit cost, tax benefits 6,594 9,221 8,442
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, (taxes) benefits $ (2,887) $ 49,523 $ (18,206)