Document and Entity Information (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Feb. 18, 2013	Jun. 29, 2012
Entity Information [Line Items]
Entity Registrant Name	CORELOGIC, INC.
Entity Central Index Key	0000036047
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Well Known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Periods Status	Yes
Common stock, shares outstanding		97,856,346
Entity Public Float			$ 1,920,591