Document and Entity Information (DEI) Document	3 Months Ended
	Jun. 30, 2012	Jul. 27, 2012
Document Information
Trading Symbol	IDA
Entity Registrant Name	IDACORP INC.
Entity Central Index Key	0001057877
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		50,154,714
Idaho Power Company
Document Information
Entity Registrant Name	Idaho Power Company
Entity Central Index Key	0000049648
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		39,150,812