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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (Parentheticals) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Unfunded pension liability adjustment, tax $ 290 $ 259 $ 579 $ 518
Idaho Power Company        
Unfunded pension liability adjustment, tax $ 290 $ 259 $ 579 $ 518