Condensed Consolidated Statements of Equity (USD $) In Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total IDACORP, Inc. shareholders' equity	Noncontrolling Interests
Balance at beginning of period at Dec. 31, 2010							$ 3,871
Common stock issued		8,254
Other common stock changes		795
Net income attributable to IDACORP, Inc.	50,641		50,641
Common stock dividends			(29,749)
Unrealized (loss) gain on securities (net of tax)	560			560
Unfunded pension liability adjustment (net of tax)	467			467
Treasury stock issued					1,944
Treasury stock acquired					(1,933)
Net income (loss) attributable to noncontrolling interest	(176)						(176)
Total IDACORP, Inc. shareholders' equity		816,891	754,771	(8,541)	(29)	1,563,092
Total equity at end of period at Jun. 30, 2011	1,566,787						3,695
Balance at beginning of period at Dec. 31, 2011	1,661,694						4,040
Common stock issued		4,804
Other common stock changes		1,354
Net income attributable to IDACORP, Inc.	60,230		60,230
Common stock dividends			(33,080)
Unrealized (loss) gain on securities (net of tax)	826			826
Unfunded pension liability adjustment (net of tax)	530			530
Treasury stock issued					2,070
Treasury stock acquired					(2,062)
Net income (loss) attributable to noncontrolling interest	25						25
Total IDACORP, Inc. shareholders' equity	1,692,326	834,547	868,066	(10,266)	(21)	1,692,326
Total equity at end of period at Jun. 30, 2012	$ 1,696,391						$ 4,065