Earnings/(Loss) Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Numerator for basic and diluted net income/(loss) per share:
Income from continuing operations, net of tax	$ 26,228	$ 40,383	$ 31,971	$ 31,618	$ 15,206	$ 25,246	$ 28,361	$ 22,016	$ 130,200	$ 90,829	$ 21,103
(Loss)/income from discontinued operations, net of tax	(39,070)	8,331	11,579	3,696	4,914	810	13,830	(1,931)	(15,464)	17,623	(95,712)
(Loss)/gain from sale of discontinued operations, net of tax									(7,008)	3,841	0
Net income/(loss) attributable to CoreLogic	$ (13,053)	$ 43,662	$ 43,550	$ 33,569	$ 14,685	$ 38,320	$ 42,657	$ 16,631	$ 107,728	$ 112,293	$ (74,609)
Denominator:
Weighted-average shares for basic income/(loss) per share	92,946	94,773	95,516	97,113	97,513	101,650	105,895	106,594	95,088	102,913	109,122
Dilutive effect of stock options and restricted stock units									2,021	1,137	590
Weighted-average shares for diluted income/(loss) per share	95,115	96,793	97,180	99,056	99,346	103,113	106,468	107,327	97,109	104,050	109,712
Earnings Per Share, Basic
Income from continuing operations, net of tax (in dollars per share)	$ 0.28	$ 0.43	$ 0.33	$ 0.33	$ 0.07	$ 0.08	$ 0.11	$ 0.09	$ 1.37	$ 0.88	$ 0.19
(Loss)/income from discontinued operations, net of tax (in dollars per share)	$ (0.42)	$ 0.09	$ 0.12	$ 0.04	$ 0.15	$ 0.25	$ 0.27	$ 0.21	$ (0.16)	$ 0.17	$ (0.88)
Gain/(loss) from sale of discontinued operations, net of tax (in dollars per share)	$ 0.00	$ (0.05)	$ 0.00	$ (0.02)	$ (0.06)	$ 0.12	$ 0.00	$ (0.03)	$ (0.07)	$ 0.04	$ 0.00
Net income/(loss) attributable to CoreLogic (in dollars per share)	$ (0.14)	$ 0.47	$ 0.45	$ 0.35	$ 0.16	$ 0.45	$ 0.38	$ 0.27	$ 1.14	$ 1.09	$ (0.69)
Earnings Per Share, Diluted
Income from continuing operations, net of tax (in dollars per share)	$ 0.28	$ 0.42	$ 0.33	$ 0.32	$ 0.07	$ 0.08	$ 0.11	$ 0.09	$ 1.34	$ 0.87	$ 0.19
(Loss)/income from discontinued operations, net of tax (in dollars per share)	$ (0.41)	$ 0.09	$ 0.12	$ 0.04	$ 0.15	$ 0.24	$ 0.27	$ 0.20	$ (0.16)	$ 0.17	$ (0.87)
Gain/(loss) from sale of discontinued operations, net of tax (in dollars per share)	$ 0.00	$ (0.05)	$ 0.00	$ (0.02)	$ (0.05)	$ 0.12	$ 0.00	$ (0.03)	$ (0.07)	$ 0.04	$ 0.00
Net income/(loss) attributable to CoreLogic (in dollars per share)	$ (0.13)	$ 0.46	$ 0.45	$ 0.34	$ 0.17	$ 0.44	$ 0.38	$ 0.26	$ 1.11	$ 1.08	$ (0.68)