Consolidated Statements of Income Statement - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating Revenues:
Electric utility revenues	$ 527,487	$ 509,635	$ 1,425,606	$ 1,351,700
Other	1,040	1,271	2,896	2,703
Total operating revenues	528,527	510,906	1,428,502	1,354,403
Operating Expenses:
Purchased power	114,578	142,851	321,860	405,404
Fuel expense	73,471	71,723	188,411	191,917
Power cost adjustment	20,779	5,899	102,297	4,191
Other operations and maintenance	116,168	95,824	332,900	284,988
Energy efficiency programs	5,283	10,498	16,699	22,265
Depreciation	56,388	50,832	165,133	143,331
Other electric utility operating expenses, net	7,453	6,297	12,482	23,169
Total electric utility operating expenses	394,120	383,924	1,139,782	1,075,265
Other	698	694	2,145	2,453
Total operating expenses	394,818	384,618	1,141,927	1,077,718
Operating Income	133,709	126,288	286,575	276,685
Nonoperating (Income) Expense:
Allowance for equity funds used during construction	(15,179)	(11,044)	(39,610)	(32,125)
Earnings of unconsolidated equity-method investments	(1,978)	(4,195)	(3,880)	(9,387)
Interest on long-term debt	35,432	29,361	102,048	82,908
Other interest	6,353	5,572	17,895	14,935
Allowance for borrowed funds used during construction	(7,639)	(4,903)	(20,518)	(14,291)
Other income, net	(13,478)	(7,924)	(40,188)	(24,890)
Total nonoperating expense, net	3,511	6,867	15,747	17,150
Income Before Income Taxes	130,198	119,421	270,828	259,535
Income Tax Expense	16,358	13,774	18,876	29,000
Net Income	113,840	105,647	251,952	230,535
Income attributable to noncontrolling interests	(235)	(383)	(654)	(599)
Net Income Attributable to IDACORP, Inc.	$ 113,605	$ 105,264	$ 251,298	$ 229,936
Weighted-average common shares outstanding - basic (in shares)	53,386	50,726	52,112	50,713
Weighted-average common shares outstanding - diluted (in shares)	53,485	50,805	52,179	50,762
Earnings Per Share of Common Stock:
Earnings attributable to IDACORP, Inc. - basic (in dollars per share)	$ 2.13	$ 2.08	$ 4.82	$ 4.53
Earnings attributable to IDACORP, Inc. - diluted (in dollars per share)	$ 2.12	$ 2.07	$ 4.82	$ 4.53