Earnings/(Loss) Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Numerator for basic and diluted net income/(loss) per share:
Income from continuing operations, net of tax	$ 16,461	$ 49,719	$ 26,740	$ (3,179)	$ (9,328)	$ 43,382	$ 35,352	$ 30,907	$ 89,741	$ 100,313	$ 96,065
(Loss)/income from discontinued operations, net of tax	(1,432)	(4,856)	(10,752)	387	(3,512)	5,332	8,198	4,405	(16,653)	14,423	12,387
Gain/(loss) from sale of discontinued operations, net of tax									112	(7,008)	3,841
Net income attributable to CoreLogic	$ 14,665us-gaap_NetIncomeLoss	$ 45,339us-gaap_NetIncomeLoss	$ 15,988us-gaap_NetIncomeLoss	$ (2,792)us-gaap_NetIncomeLoss	$ (13,052)us-gaap_NetIncomeLoss	$ 43,662us-gaap_NetIncomeLoss	$ 43,550us-gaap_NetIncomeLoss	$ 33,568us-gaap_NetIncomeLoss	$ 73,200us-gaap_NetIncomeLoss	$ 107,728us-gaap_NetIncomeLoss	$ 112,293us-gaap_NetIncomeLoss
Denominator:
Weighted-average shares for basic income/(loss) per share	89,597	90,518	91,750	91,433	92,946	94,773	95,516	97,113	90,825	95,088	102,913
Dilutive effect of stock options and restricted stock units									1,604	2,021	1,137
Weighted-average shares for diluted income/(loss) per share	91,245	91,987	93,062	91,433	92,946	96,793	97,180	99,056	92,429	97,109	104,050
Earnings Per Share, Basic
Income from continuing operations, net of tax (in dollars per share)	$ 0.18	$ 0.55	$ 0.29	$ (0.03)	$ (0.10)	$ 0.46	$ 0.37	$ 0.32	$ 0.99	$ 1.05	$ 0.93
(Loss)/income from discontinued operations, net of tax (in dollars per share)	$ (0.02)	$ (0.05)	$ (0.12)	$ 0.00	$ (0.04)	$ 0.06	$ 0.09	$ 0.05	$ (0.18)	$ 0.15	$ 0.12
Gain/(loss) from sale of discontinued operations, net of tax (in dollars per share)	$ 0.00	$ 0.01	$ 0.00	$ 0.00	$ 0.00	$ (0.05)	$ 0.00	$ (0.02)	$ 0.00	$ (0.07)	$ 0.04
Net income/(loss) attributable to CoreLogic (in dollars per share)	$ 0.16us-gaap_EarningsPerShareBasic	$ 0.51us-gaap_EarningsPerShareBasic	$ 0.17us-gaap_EarningsPerShareBasic	$ (0.03)us-gaap_EarningsPerShareBasic	$ (0.14)us-gaap_EarningsPerShareBasic	$ 0.47us-gaap_EarningsPerShareBasic	$ 0.46us-gaap_EarningsPerShareBasic	$ 0.35us-gaap_EarningsPerShareBasic	$ 0.81us-gaap_EarningsPerShareBasic	$ 1.13us-gaap_EarningsPerShareBasic	$ 1.09us-gaap_EarningsPerShareBasic
Earnings Per Share, Diluted
Income from continuing operations, net of tax (in dollars per share)	$ 0.18	$ 0.54	$ 0.29	$ (0.03)	$ (0.10)	$ 0.45	$ 0.36	$ 0.31	$ 0.97	$ 1.03	$ 0.92
(Loss)/income from discontinued operations, net of tax (in dollars per share)	$ (0.02)	$ (0.05)	$ (0.12)	$ 0.00	$ (0.04)	$ 0.06	$ 0.08	$ 0.04	$ (0.18)	$ 0.15	$ 0.12
Gain/(loss) from sale of discontinued operations, net of tax (in dollars per share)	$ 0.00	$ 0.01	$ 0.00	$ 0.00	$ 0.00	$ (0.05)	$ 0.00	$ (0.02)	$ 0.00	$ (0.07)	$ 0.04
Net income/(loss) attributable to CoreLogic (in dollars per share)	$ 0.16us-gaap_EarningsPerShareDiluted	$ 0.50us-gaap_EarningsPerShareDiluted	$ 0.17us-gaap_EarningsPerShareDiluted	$ (0.03)us-gaap_EarningsPerShareDiluted	$ (0.14)us-gaap_EarningsPerShareDiluted	$ 0.46us-gaap_EarningsPerShareDiluted	$ 0.44us-gaap_EarningsPerShareDiluted	$ 0.33us-gaap_EarningsPerShareDiluted	$ 0.79us-gaap_EarningsPerShareDiluted	$ 1.11us-gaap_EarningsPerShareDiluted	$ 1.08us-gaap_EarningsPerShareDiluted

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The amount of gain (loss) after tax expense (benefit) from discontinued operations per each share of common stock oustanding, not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.