XML 143 R116.htm IDEA: XBRL DOCUMENT v3.25.4
OTHER INCOME AND EXPENSE Other Income and Expense Level 4 (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule of other nonoperating income (expense) [Line Items]      
Interest and dividend income, net $ 23,872 $ 22,577 $ 15,266
Carrying charges on regulatory assets 19,323 21,908 13,099
Net periodic benefit cost 5,986 8,077 6,513
Income from life insurance investments 13,244 10,186 8,384
Other Income 6,769 8,659 6,286
Other (income) expense, net 57,222 55,253 36,522
Idaho Power Company      
Schedule of other nonoperating income (expense) [Line Items]      
Interest and dividend income, net 16,014 16,731 13,410
Carrying charges on regulatory assets 19,323 21,908 13,099
Net periodic benefit cost 5,986 8,077 6,513
Income from life insurance investments 13,244 10,186 8,384
Other Income 6,953 8,962 6,333
Other (income) expense, net $ 49,548 $ 49,710 $ 34,713