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Consolidated Statements of Comprehensive Income (Parenthetical) - HECO - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Foreign currency hedge net unrealized loss, taxes (benefits) $ (409) $ (151) $ 0
Reclassification adjustment to net income, taxes (benefits) 0 0 (289)
Net gains (losses) arising during the period, taxes (benefits) 3,892 (9,810) 41,129
Amortization of net loss, prior service gain and transition obligation included in net periodic benefit cost, tax benefits (3,512) (7,317) (10,041)
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, (taxes) benefits (5,610) 2,887 (49,523)
Hawaiian Electric Company, Inc. and Subsidiaries      
Foreign currency hedge net unrealized loss, taxes (benefits) 0 0 0
Reclassification adjustment to net income, taxes (benefits) 0 0 (289)
Net gains (losses) arising during the period, taxes (benefits) 1,821 (9,024) 39,587
Amortization of net loss, prior service gain and transition obligation included in net periodic benefit cost, tax benefits (3,312) (6,594) (9,221)
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, (taxes) benefits $ (5,610) $ 2,887 $ (49,523)