v3.26.1
SEGMENT INFORMATION: Level 4 (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information      
Total operating revenues $ 403,412 $ 432,457  
Depreciation 65,519 59,785  
Other income, net 21,996 17,216  
Other Interest and Dividend Income 8,671 11,331  
Earnings of unconsolidated equity-method investments 746 717  
Interest Expense, Operating and Nonoperating 44,153 36,998  
Income Tax Expense (Benefit) 411 (12,466)  
Net Income Attributable to IDACORP, Inc. 67,981 59,647  
Segment, Expenditure, Addition to Long-Lived Assets 371,527 201,324  
Total assets 10,587,780   $ 10,225,437
Eliminations      
Segment Reporting Information      
Total operating revenues 0 0  
Depreciation 0 0  
Other income, net 0 0  
Other Interest and Dividend Income (569) (762)  
Earnings of unconsolidated equity-method investments 0 0  
Interest Expense, Operating and Nonoperating (569) (762)  
Income Tax Expense (Benefit) 0 0  
Net Income Attributable to IDACORP, Inc. 0 0  
Segment, Expenditure, Addition to Long-Lived Assets 0 0  
Total assets (68,179)    
Idaho Power Company | Operating Segments      
Segment Reporting Information      
Total operating revenues 402,762 431,952  
Depreciation 65,519 59,785  
Other income, net 22,182 17,567  
Other Interest and Dividend Income 7,375 9,040  
Earnings of unconsolidated equity-method investments 831 650  
Interest Expense, Operating and Nonoperating 44,076 36,839  
Income Tax Expense (Benefit) 953 (12,658)  
Net Income Attributable to IDACORP, Inc. 66,658 58,127  
Segment, Expenditure, Addition to Long-Lived Assets 371,481 201,239  
Total assets 10,442,621    
Other Operating Segment | Operating Segments      
Segment Reporting Information      
Total operating revenues 650 505  
Depreciation 0 0  
Other income, net (186) (351)  
Other Interest and Dividend Income 1,865 3,053  
Earnings of unconsolidated equity-method investments (85) 67  
Interest Expense, Operating and Nonoperating 646 921  
Income Tax Expense (Benefit) (542) 192  
Net Income Attributable to IDACORP, Inc. 1,323 1,520  
Segment, Expenditure, Addition to Long-Lived Assets 46 $ 85  
Total assets $ 213,338