EARNINGS PER SHARE: Level 4 (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net Income Attributable to IDACORP, Inc.	$ 64,287	$ 70,023	$ 110,548	$ 114,854
Denominator:
Weighted-average common shares outstanding - basic	50,668	50,609	50,650	50,588
Effect of dilutive securities	19	13	23	13
Weighted-average common shares outstanding - diluted	50,687	50,622	50,673	50,601
Earnings attributable to IDACORP, Inc. - basic (in dollars per share)	$ 1.27	$ 1.38	$ 2.18	$ 2.27
Earnings attributable to IDACORP, Inc. - diluted (in dollars per share)	$ 1.27	$ 1.38	$ 2.18	$ 2.27