Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 261,893	$ 259,560	$ 245,872
Other Comprehensive Income:
Unfunded pension liability adjustment, net of tax	(4,262)	27,118	3,318
Total Comprehensive Income	257,631	286,678	249,190
Comprehensive income attributable to noncontrolling interests	(698)	(578)	(322)
Comprehensive Income Attributable to IDACORP, Inc.	$ 256,933	$ 286,100	$ 248,868