SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT - CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income:
Equity in income of subsidiaries	$ 11,511	$ 11,435	$ 11,513
Operating income	327,178	329,651	309,521
Expenses:
Operating expenses	1,316,803	1,128,433	1,041,208
Interest on long-term debt	89,375	86,698	87,426
Other expenses	(10,805)	3,141	(3,509)
Income before income taxes	297,404	282,784	266,668
Income Tax Expense	37,844	36,912	28,700
Net Income Attributable to IDACORP, Inc.	258,982	245,550	237,417
Comprehensive Income Attributable to IDACORP, Inc.	286,100	248,868	230,343
IDACORP
Income:
Equity in income of subsidiaries	258,540	245,591	237,233
Investment income	1,795	148	748
Operating income	260,335	245,739	237,981
Expenses:
Operating expenses	444	679	692
Interest on long-term debt	1,267	82	534
Other expenses	250	192	145
Total expenses	1,961	953	1,371
Income before income taxes	258,374	244,786	236,610
Income Tax Expense	(608)	(764)	(807)
Net Income Attributable to IDACORP, Inc.	258,982	245,550	237,417
Other comprehensive (loss) income	27,118	3,318	(7,074)
Comprehensive Income Attributable to IDACORP, Inc.	$ 286,100	$ 248,868	$ 230,343