Consolidated Statements of Comprehensive (Loss) Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net (loss) income attributable to CoreLogic	$ (74,609)	$ (56,300)	$ 196,639
Other comprehensive (loss) / income:
Unrealized (loss) / gain on marketable securities, net of tax	(1,475)	2,086	12,348
Foreign currency translation adjustments	(12,612)	(547)	411
Supplemental benefit plans adjustment, net of tax	(1,983)	8,302	170
Investment gain reclassified to realized gain, net of tax	(14,342)	0	0
Total other comprehensive (loss) / income	(36,259)	12,831	12,929
Comprehensive (loss) / income	(110,868)	(43,469)	209,568
Less: Comprehensive (loss) income attributable to the noncontrolling interests	0	(17)	3,729
Comprehensive (loss) / income attributable to CoreLogic	(110,868)	(43,452)	205,839
Swap [Member]
Other comprehensive (loss) / income:
Unrealized (loss) / gain on interest rate swap, net of tax	$ (5,847)	$ 2,990	$ 0