Consolidated Statements of Income Statement - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Operating Revenues:
Electric utility revenues	$ 449,672	$ 449,819	$ 881,625	$ 898,118
Other	1,208	1,220	1,713	1,857
Total operating revenues	450,880	451,039	883,338	899,975
Operating Expenses:
Purchased power	88,777	95,383	162,887	207,282
Fuel expense	34,845	22,699	104,246	114,940
Power cost adjustment	28,577	59,156	76,262	81,519
Other operations and maintenance	121,966	110,903	234,973	216,733
Energy efficiency programs	6,115	7,126	11,348	11,416
Depreciation and amortization	61,128	54,732	120,913	108,745
Other electric utility operating expenses, net	8,263	(2,981)	15,943	5,027
Total electric utility operating expenses	349,671	347,018	726,572	745,662
Other	636	752	1,264	1,448
Total operating expenses	350,307	347,770	727,836	747,110
Operating Income	100,573	103,269	155,502	152,865
Nonoperating (Income) Expense:
Allowance for equity funds used during construction	(15,166)	(13,279)	(29,608)	(24,431)
Earnings of unconsolidated equity-method investments	(1,306)	(1,277)	(2,024)	(1,902)
Interest on long-term debt and finance leases	44,321	33,308	82,489	66,616
Other interest	7,368	6,075	13,849	11,542
Allowance for borrowed funds used during construction	(9,217)	(6,920)	(16,867)	(12,879)
Other income, net	(14,872)	(12,545)	(28,977)	(26,710)
Total nonoperating expense, net	11,128	5,362	18,862	12,236
Income Before Income Taxes	89,445	97,907	136,640	140,629
Income Tax (Benefit) Expense	(6,681)	8,063	(19,147)	2,517
Net Income	96,126	89,844	155,787	138,112
Income attributable to noncontrolling interests	(345)	(324)	(359)	(419)
Net Income Attributable to IDACORP, Inc.	$ 95,781	$ 89,520	$ 155,428	$ 137,693
Weighted-average common shares outstanding - basic (in shares)	54,159	52,170	54,135	51,467
Weighted-average common shares outstanding - diluted (in shares)	54,380	52,236	54,249	51,519
Earnings Per Share of Common Stock:
Earnings attributable to IDACORP, Inc. - basic (in dollars per share)	$ 1.77	$ 1.72	$ 2.87	$ 2.68
Earnings attributable to IDACORP, Inc. - diluted (in dollars per share)	$ 1.76	$ 1.71	$ 2.87	$ 2.67