COMMON STOCK: Common Stock Level 3 (Tables)

12 Months Ended

Dec. 31, 2015

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, 2015:

	Shares issued			Shares reserved
	2015	2014	2013	December 31, 2015
Balance at beginning of year	50,308,702	50,233,463	50,158,486
Continuous equity program	—	—	—	3,000,000
Dividend reinvestment and stock purchase plan	—	—	—	2,576,723
Employee savings plan	—	—	—	3,567,954
Long-term incentive and compensation plan	43,349	75,239	74,977	1,424,695
Restricted stock plan	—	—	—	256,154
Balance at end of year	50,352,051	50,308,702	50,233,463