Investments in Affiliates (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Schedule of Investments [Line Items]
Equity in (losses)/earnings of affiliates, net of tax	$ 11,745,000	$ 5,719,000	$ 21,215,000	$ 12,053,000
Income tax of equity in earnings of affiliates	(7,500,000)	(3,800,000)	(13,500,000)	(8,000,000)
Assumed Ownership Percentage For Affiliate	100.00%		100.00%
Joint Venture Loan Originations Products and Services [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.10%		50.10%
Joint Venture Investment Percentage Of Income In Equity Earnings Of Affiliates, Net Of Tax	67.30%	96.30%	73.30%	88.30%
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Net revenues	127,441,000	89,620,000	250,771,000	174,313,000
Expenses	101,014,000	71,160,000	198,735,000	138,626,000
Income before income taxes	26,427,000	18,460,000	52,036,000	35,687,000
Net Income	26,291,000	18,314,000	51,759,000	35,392,000
CoreLogic equity in earnings of affiliate, pre-tax	13,172,000	9,175,000	25,931,000	17,731,000
Joint Venture Loan Originations Products and Services [Member] | Business Acquisition [Member]
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Asset Impairment Charges	$ 1,200,000		$ 1,200,000