Investments in Affiliates, Net (Equity Method Investment Table) (Details) - RELS LLC [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015
Schedule of Equity Method Investments [Line Items]
Total revenues	$ 69,759	$ 128,205
Expenses and other	56,806	105,068
Net income attributable to RELS LLC	12,953	23,137
CoreLogic equity in earnings of affiliate	$ 6,489	$ 11,592