EARNINGS PER SHARE: Level 4 (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator:
Net Income Attributable to IDACORP, Inc.	$ 68,574	$ 64,287	$ 124,672	$ 110,548
Denominator:
Weighted-average common shares outstanding - basic	50,725	50,668	50,707	50,650
Effect of dilutive securities	33	19	34	23
Weighted-average common shares outstanding - diluted	50,758	50,687	50,741	50,673
Earnings attributable to IDACORP, Inc. - basic (in dollars per share)	$ 1.35	$ 1.27	$ 2.46	$ 2.18
Earnings attributable to IDACORP, Inc. - diluted (in dollars per share)	$ 1.35	$ 1.27	$ 2.46	$ 2.18