Investments in Affiliates (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Schedule of Investments [Line Items]
Equity in (losses)/earnings of affiliates, net of tax	$ 3,874,000	$ 9,347,000	$ 6,257,000	$ 18,132,000
Income tax of equity in earnings of affiliates	2,400,000	5,800,000	(3,900,000)	11,200,000
Ownership percentage in joint venture	29.40%		29.40%
Assumed ownership percentage for affiliate	100.00%		100.00%
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Equity Method Investments	103,346,000		103,346,000		95,343,000
Goodwill	1,774,013,000		1,774,013,000		1,390,674,000
Finite-Lived Intangible Assets, Net	297,039,000		297,039,000		175,808,000
Joint Venture Loan Originations Products and Services [Member]
Schedule of Investments [Line Items]
Ownership percentage in joint venture	50.10%		50.10%
Joint venture investment percentage of income in equity earnings of affiliates	83.80%	74.20%	84.90%	74.20%
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Net revenues	60,978,000	117,273,000	108,501,000	210,456,000
Expenses	50,526,000	94,205,000	91,334,000	166,976,000
Net Income	10,452,000	23,068,000	17,167,000	43,480,000
CoreLogic equity in earnings of affiliate, pre-tax	5,236,000	11,557,000
Parent Company [Member] | Joint Venture Loan Originations Products and Services [Member]
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
CoreLogic equity in earnings of affiliate, pre-tax			8,601,000	21,783,000
Symbility [Domain]
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity	11,300,000		11,300,000
Goodwill	2,000,000		2,000,000
Finite-Lived Intangible Assets, Net	9,400,000		9,400,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			15 years
RELS Reporting Services, LLC [Member]
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Prior Period Reclassification Adjustment			1,800,000
Symbility [Domain]
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Equity Method Investments	$ 18,300,000		$ 18,300,000