Consolidated Statements of Income Statement - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating Revenues:
Electric utility revenues	$ 448,299	$ 429,338
Other	637	321
Total operating revenues	448,936	429,659
Operating Expenses:
Purchased power	111,899	171,093
Fuel expense	92,241	89,080
Power cost adjustment	22,363	(51,337)
Other operations and maintenance	105,829	92,041
Energy efficiency programs	4,291	5,215
Depreciation	54,013	45,391
Other electric utility operating expenses	8,008	9,028
Total electric utility operating expenses	398,644	360,511
Other	696	1,045
Total operating expenses	399,340	361,556
Operating Income	49,596	68,103
Nonoperating (Income) Expense:
Allowance for equity funds used during construction	(11,152)	(9,908)
Earnings of unconsolidated equity-method investments	(625)	(2,454)
Interest on long-term debt	33,308	24,968
Other interest	5,467	4,755
Allowance for borrowed funds used during construction	(5,959)	(4,228)
Other income, net	(14,165)	(8,149)
Total nonoperating expense, net	6,874	4,984
Income Before Income Taxes	42,722	63,119
Income Tax (Benefit) Expense	(5,546)	7,095
Net Income	48,268	56,024
Adjustment for (income) loss attributable to noncontrolling interests	(95)	74
Net Income Attributable to IDACORP, Inc.	$ 48,173	$ 56,098
Weighted-average common shares outstanding - basic (in shares)	50,764	50,688
Weighted-average common shares outstanding - diluted (in shares)	50,792	50,723
Earnings Per Share of Common Stock:
Earnings attributable to IDACORP, Inc. - basic (in dollars per share)	$ 0.95	$ 1.11
Earnings attributable to IDACORP, Inc. - diluted (in dollars per share)	$ 0.95	$ 1.11