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Stock-Based Compensation Performance Based Restricted Stock Units (Details) (USD $)
In Millions, except Share data
6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2011
May 19, 2011
Corelogic 2006 Incentive Plan [Member]
Jun. 30, 2011
Corelogic PBRSU [Member]
Jun. 30, 2011
Corelogic PBRSU [Member]
Mar. 31, 2011
Corelogic PBRSU [Member]
Jun. 30, 2011
Seperation Of FAFC PBRSU [Member]
Jun. 30, 2011
Seperation Of FAFC PBRSU [Member]
Jun. 30, 2011
Dorado PBRSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   18,000,000            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 911,537              
Performance Based Resrticted Stock Units Shares Issued         187,705 366,154 366,154  
Performance Based Restricted Stock Units Issued Value         $ 3.3 $ 6.9 $ 6.9 $ 6.8
Restricted Stock or Unit Expense     $ 2.0 $ 3.8   $ 0.3 $ 0.9