Income Taxes (Domestic and Foreign) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]
Continuing Operations Attributable to CoreLogic, United States Operations	$ 169,996	$ 91,168	$ 29,702
Equity In Earnings of Affiliates, United States Operations	56,928	49,180	69,383
Continuing Operations Attributable to CoreLogic, Foreign	(2,075)	(1,748)	12,812
Equity In Earnings of Affiliates, Foreign	1,153	315	0
Continuing Operations Attributable to CoreLogic	167,921	89,420	42,514
Equity in Earnings of Affiliates	$ 58,081	$ 49,495	$ 69,383