COMMON STOCK: Common Stock Level 3 (Tables)

12 Months Ended

Dec. 31, 2019

Class of Stock Disclosures [Abstract]

Schedule of Stock by Class

The following table summarizes IDACORP common stock transactions during the last three years and shares reserved at December 31, 2019:

	Shares issued			Shares reserved
	2019	2018	2017	December 31, 2019
Balance at beginning of year	50,420,017	50,420,017	50,420,017
Continuous equity program (inactive)	—	—	—	3,000,000
Dividend reinvestment and stock purchase plan	—	—	—	2,576,723
Employee savings plan	—	—	—	3,567,954
Long-term incentive and compensation plan(1)	—	—	—	1,356,729
Balance at end of year	50,420,017	50,420,017	50,420,017