Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Numerator for basic and diluted net (loss)/income per share:
Net income/(loss) from continuing operations	$ 34,224	$ 29,052
Gain/(loss) from discontinued operations, net of tax	(656)	(8,967)
Net income/(loss) attributable to CoreLogic	$ 33,568	$ 16,631
Denominator for basic and diluted net (loss)/income per share:
Weighted-average shares for basic income/(loss) per share	97,113	106,594
Diluted effect of stock options and restricted stock units	1,943	733
Weighted-average shares for diluted income/(loss) per share	99,056	107,327
Earnings Per Share, Basic
Net income/(loss) from continuing operations	$ 0.35	$ 0.27
Gain/(loss) from discontinued operations, net of tax	$ (0.01)	$ (0.08)
Gain from sale of discontinued operations, net of tax	$ 0.00	$ (0.03)
Net income/(loss) attributable to Corelogic	$ 0.34	$ 0.16
Earnings Per Share, Diluted
Net income/(loss) from continuing operations	$ 0.35	$ 0.27
Gain/(loss) from discontinued operations, net of tax	$ (0.01)	$ (0.08)
Gain from sale of discontinued operations, net of tax	$ 0.00	$ (0.03)
Net income/(loss) attributable to Corelogic	$ 0.34	$ 0.16