Investments in Affiliates Joint Venture (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Schedule of Investments [Line Items]
Equity in (losses)/earnings of affiliates, net of tax	$ 9,470,000	$ 6,334,000
Income Tax Of Equity In Earnings Of Affiliates	(6,000,000)	(4,200,000)
Assumed Ownership Percentage For Affiliate	100.00%
Joint Venture Loan Originations Products and Services [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.10%
Joint Venture Investment Percentage Of Income In Equity Earnings Of Affiliates, Net Of Tax	80.70%	81.10%
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Net revenues	123,329,000	84,694,000
Expenses	97,720,000	67,467,000
Income before income taxes	25,609,000	17,227,000
Net Income	25,468,000	17,078,000
CoreLogic equity in earnings of affiliate, pre-tax	$ 12,734,000	$ 8,556,000