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INVESTMENTS IN DEBT AND EQUITY SECURITIES: Level 3 (Tables)
6 Months Ended
Jun. 30, 2012
Investments in Debt and Equity Securities [Abstract]  
Available-for-sale Securities [Table Text Block]
The table below summarizes investments in equity securities by IDACORP and Idaho Power as of June 30, 2012 and December 31, 2011 (in thousands of dollars).
 
 
June 30, 2012
 
December 31, 2011
 
 
Gross
Unrealized
Gain
 
Gross
Unrealized
Loss
 
Fair
Value
 
Gross
Unrealized
Gain
 
Gross
Unrealized
Loss
 
Fair
Value
Available-for-sale securities
 
$
5,583

 
$
9

 
$
25,913

 
$
4,220

 
$
1

 
$
22,205