Condensed Consolidated Statements of Equity $ in Thousands	USD ($)
Balance at beginning of period at Dec. 31, 2013	$ 839,750
Common Stock
Common stock issued	160
Other common stock changes	1,808
Balance at end of period at Jun. 30, 2014	841,718
Balance at beginning of period at Dec. 31, 2013	1,027,461
Retained Earnings
Net Income Attributable to IDACORP, Inc.	71,944
Common stock dividends	(43,272)
Balance at end of period at Jun. 30, 2014	1,056,133
AOCI - Beginning Balance at Dec. 31, 2013	(16,553)
Accumulated Other Comprehensive (Loss) Income
Unfunded pension liability adjustment (net of tax)	864
AOCI - Ending Balance at Jun. 30, 2014	(15,689)
Balance at beginning of period at Dec. 31, 2013	(8)
Treasury Stock
Issued	2,459
Acquired	(2,737)
Balance at end of period at Jun. 30, 2014	(286)
Balance at beginning of period at Dec. 31, 2013	4,090
Noncontrolling Interests
Net (loss) income attributable to noncontrolling interests	(62)
Balance at end of period at Jun. 30, 2014	4,028
Balance at end of period at Jun. 30, 2014	841,718
Retained Earnings
Net Income Attributable to IDACORP, Inc.	44,540
Balance at end of period at Jun. 30, 2014	1,056,133
Accumulated Other Comprehensive (Loss) Income
Unfunded pension liability adjustment (net of tax)	432
AOCI - Ending Balance at Jun. 30, 2014	(15,689)
Balance at end of period at Jun. 30, 2014	(286)
Noncontrolling Interests
Net (loss) income attributable to noncontrolling interests	157
Balance at end of period at Jun. 30, 2014	4,028
Treasury Stock
Total IDACORP, Inc. shareholders’ equity at end of period	1,881,876
Noncontrolling Interests
Total equity at end of period	1,885,904
Total IDACORP, Inc. shareholders’ equity at end of period	1,953,201
Total equity at end of period	1,957,565
Balance at beginning of period at Dec. 31, 2014	845,402
Common Stock
Common stock issued	0
Other common stock changes	1,512
Balance at end of period at Jun. 30, 2015	846,914
Balance at beginning of period at Dec. 31, 2014	1,132,237
Retained Earnings
Net Income Attributable to IDACORP, Inc.	89,510
Common stock dividends	(47,381)
Balance at end of period at Jun. 30, 2015	1,174,366
AOCI - Beginning Balance at Dec. 31, 2014	(24,158)
Accumulated Other Comprehensive (Loss) Income
Unfunded pension liability adjustment (net of tax)	1,334
AOCI - Ending Balance at Jun. 30, 2015	(22,824)
Balance at beginning of period at Dec. 31, 2014	(280)
Treasury Stock
Issued	3,526
Acquired	(3,283)
Balance at end of period at Jun. 30, 2015	(37)
Balance at beginning of period at Dec. 31, 2014	4,364
Noncontrolling Interests
Net (loss) income attributable to noncontrolling interests	24
Balance at end of period at Jun. 30, 2015	4,388
Balance at end of period at Jun. 30, 2015	846,914
Retained Earnings
Net Income Attributable to IDACORP, Inc.	66,080
Balance at end of period at Jun. 30, 2015	1,174,366
Accumulated Other Comprehensive (Loss) Income
Unfunded pension liability adjustment (net of tax)	667
AOCI - Ending Balance at Jun. 30, 2015	(22,824)
Balance at end of period at Jun. 30, 2015	(37)
Noncontrolling Interests
Net (loss) income attributable to noncontrolling interests	110
Balance at end of period at Jun. 30, 2015	4,388
Treasury Stock
Total IDACORP, Inc. shareholders’ equity at end of period	1,998,419
Noncontrolling Interests
Total equity at end of period	$ 2,002,807