Investments in Affiliates (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Schedule of Investments [Line Items]
Equity in (losses)/earnings of affiliates, net of tax	$ 4,032,000	$ 5,716,000	$ 10,289,000	$ 23,848,000
Income tax of equity in earnings of affiliates	2,500,000	3,500,000	6,400,000	14,800,000
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	103,432,000		103,432,000		95,343,000
Goodwill	1,779,391,000		1,779,391,000		1,468,290,000
Finite-Lived Intangible Assets, Net	283,643,000		283,643,000		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	76.50%	75.80%	81.60%	73.00%
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) [Abstract]
Net revenues	57,777,000	79,373,000	166,278,000	289,830,000
Expenses	47,800,000	64,951,000	139,134,000	231,929,000
Net Income	9,977,000	14,422,000	27,144,000	57,901,000
CoreLogic equity in earnings of affiliate, pre-tax	4,998,000	7,225,000	13,599,000	29,008,000
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