Investments in Affiliates Joint Venture (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Schedule of Investments [Line Items]
Assumed Ownership Percentage For Affiliate	$ 100.00%		$ 100.00%
Equity Method Investments Income Tax Of Affiliates [Abstract]
Income Tax Of Equity In Earnings Of Affiliate	3,800,000	5,600,000	8,000,000	10,600,000
Joint Venture Loan Originations Products and Services [Member]
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Net revenues	89,620,000	118,832,000	174,313,000	215,709,000
Expenses	71,160,000	89,096,000	138,626,000	162,513,000
Income before income taxes	18,460,000	29,736,000	35,687,000	53,196,000
Net Income	18,314,000	29,586,000	35,392,000	52,899,000
CLGX equity in earnings of affiliate	$ 9,175,000	$ 14,823,000	$ 17,731,000	$ 26,503,000
Equity Method Investment, Ownership Percentage	50.10%		50.10%