Consolidated Statements of Equity $ in Thousands	USD ($)
Balance at beginning of year at Dec. 31, 2012	$ 834,922
Common Stock:
Issued	255
Other	4,573
Balance at end of year at Dec. 31, 2013	839,750
Balance at beginning of year at Dec. 31, 2012	923,981
Retained Earnings:
Net income attributable to IDACORP, Inc.	182,417
Common stock dividends	(78,937)
Balance at end of year at Dec. 31, 2013	1,027,461
AOCI - Beginning Balance at Dec. 31, 2012	(17,116)
Accumulated Other Comprehensive (Loss) Income:
Net unrealized (losses) gains	(4,136)
Unfunded pension liability adjustment (net of tax)	4,699
AOCI - Ending Balance at Dec. 31, 2013	(16,553)
Balance at beginning of year at Dec. 31, 2012	(21)
Treasury Stock:
Issued	2,137
Acquired	(2,124)
Balance at end of year at Dec. 31, 2013	(8)
Balance at beginning of year at Dec. 31, 2012	4,213
Noncontrolling Interests:
Net (loss) income attributable to noncontrolling interests	(123)
Balance at end of year at Dec. 31, 2013	4,090
Treasury Stock:
Total IDACORP, Inc. shareholders’ equity at end of year	1,850,650
Noncontrolling Interests:
Total equity at end of year	1,854,740
Issued	195
Other	5,457
Balance at end of year at Dec. 31, 2014	845,402
Retained Earnings:
Net income attributable to IDACORP, Inc.	193,480
Common stock dividends	(88,704)
Balance at end of year at Dec. 31, 2014	1,132,237
Accumulated Other Comprehensive (Loss) Income:
Net unrealized (losses) gains	0
Unfunded pension liability adjustment (net of tax)	(7,605)
AOCI - Ending Balance at Dec. 31, 2014	(24,158)
Treasury Stock:
Issued	2,465
Acquired	(2,737)
Balance at end of year at Dec. 31, 2014	(280)
Noncontrolling Interests:
Net (loss) income attributable to noncontrolling interests	274
Balance at end of year at Dec. 31, 2014	4,364
Treasury Stock:
Total IDACORP, Inc. shareholders’ equity at end of year	1,953,201
Noncontrolling Interests:
Total equity at end of year	1,957,565
Issued	0
Other	3,710
Balance at end of year at Dec. 31, 2015	849,112
Retained Earnings:
Net income attributable to IDACORP, Inc.	194,679
Common stock dividends	(96,811)
Balance at end of year at Dec. 31, 2015	1,230,105
Accumulated Other Comprehensive (Loss) Income:
Net unrealized (losses) gains	0
Unfunded pension liability adjustment (net of tax)	2,882
AOCI - Ending Balance at Dec. 31, 2015	(21,276)
Treasury Stock:
Issued	3,500
Acquired	(3,277)
Balance at end of year at Dec. 31, 2015	(57)
Noncontrolling Interests:
Net (loss) income attributable to noncontrolling interests	(204)
Balance at end of year at Dec. 31, 2015	4,160
Treasury Stock:
Total IDACORP, Inc. shareholders’ equity at end of year	2,057,884
Noncontrolling Interests:
Total equity at end of year	$ 2,062,044