v3.26.3
INCOME TAXES: Supplemental Disclosures (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Income Tax Expense [Line Items]    
Proceeds from Income Tax Refunds $ (3,374)  
Income Tax Paid, after Refund Received   $ (5,790)
Idaho Power Company    
Income Tax Expense [Line Items]    
Proceeds from Income Tax Refunds $ (2,443) $ (21,600)