Investment in Affiliates, net (Summarized Financial Information Table) (Details) - RELS LLC [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]
Total assets	$ 42,164
Total Liabilities	13,391
Total revenues	244,647	$ 221,328
Expenses and other	205,891	183,761
Net income attributable to RELS LLC	38,756	37,567
CoreLogic equity in earnings of affiliate, pre-tax	$ 19,417	$ 18,821