COMMON STOCK: Level 4 (Details) $ in Billions	6 Months Ended
	Jun. 30, 2019 USD ($) shares
Shareholders' equity
Restricted Stock Unit Awards to Employees	70,419
Restricted stock awards to directors	6,396
IDACORP
Shareholders' equity
Stock Issued During Period, Shares, New Issues	0
Maximum leverage ratio requirement	0.65
Ratio of Indebtedness to Net Capital	0.43
Dividend Distribution Restriction Amount | $	$ 1.4
Idaho Power Company
Shareholders' equity
Maximum leverage ratio requirement	0.65
Ratio of Indebtedness to Net Capital	0.45
Dividend Distribution Restriction Amount | $	$ 1.2
Dividend Distribution Restriction Threshold	0.35
Ratio of total Capital to total capital and long-term debt	0.55
Preferred Stock, Shares Outstanding	0