Investments in Affiliates (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		1 Months Ended	3 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Joint Venture Loan Originations Products and Services [Member]	Sep. 30, 2011 Joint Venture Loan Originations Products and Services [Member]	Sep. 30, 2012 Joint Venture Loan Originations Products and Services [Member]	Sep. 30, 2011 Joint Venture Loan Originations Products and Services [Member]	Aug. 31, 2012 Lone Wolf Real Estate Technologies, Inc. [Member]	Sep. 30, 2012 Lone Wolf Real Estate Technologies, Inc. [Member]	Sep. 30, 2012 Lone Wolf Real Estate Technologies, Inc. [Member]	Jul. 31, 2012 RELS Reporting Services, LLC [Member]	Sep. 30, 2012 RELS Reporting Services, LLC [Member]	Sep. 30, 2012 RELS Reporting Services, LLC [Member]	Jun. 30, 2012 RELS Reporting Services, LLC [Member]
Schedule of Investments [Line Items]
Equity in (losses)/earnings of affiliates, net of tax	$ 8,166,000	$ 8,340,000	$ 29,381,000	$ 20,393,000
Income tax of equity in earnings of affiliates	(5,200,000)	(5,600,000)	(18,700,000)	(13,600,000)
Ownership percentage in joint venture					50.10%		50.10%								50.10%
Joint venture investment percentage of income in equity earnings of affiliates					78.00%	85.00%	74.60%	86.90%
Assumed ownership percentage for affiliate	100.00%		100.00%
Asset impairment charges													1,200,000	1,200,000
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Net revenues					112,887,000	105,187,000	363,658,000	279,500,000
Expenses					91,635,000	81,429,000	290,370,000	220,055,000
Income before income taxes					21,252,000	23,758,000	73,288,000	59,445,000
Net Income					21,185,000	23,582,000	72,944,000	58,974,000
CoreLogic equity in earnings of affiliate, pre-tax					10,614,000	11,815,000	36,545,000	29,546,000
Equity method investment, disposal of ownership percentage									29.80%
Proceeds from sale of equity method investment									8,000,000
Equity method investment, realized gain on disposal										2,200,000	2,200,000
Cost of acquired entity												3,000,000
Investments in and Advances to Affiliates, Dividends or Interest												$ 1,500,000