Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	$ 0	$ 167	$ 0	$ 925
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	277	298	555	596
Idaho Power Company
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	0	167	0	925
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	$ 277	$ 298	$ 555	$ 596