Investment in Affiliates, net (Summarized Financial Information Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Total assets	$ 42,164	$ 44,536
Total liabilities	13,391	15,977
Joint Venture Loan Originations Products and Services [Member]
Schedule of Equity Method Investments [Line Items]
Total revenues	244,647	221,328	$ 347,070
Expenses and other	205,891	183,761	282,686
Net income attributable to RELS LLC	38,756	37,567	64,384
CoreLogic equity in earnings of affiliate, pre-tax	$ 19,417	$ 18,821	$ 32,256