Earnings Per Share (Reconciliation of Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Numerator for basic and diluted net (loss)/income per share:
Net income from continuing operations	$ 41,182	$ 40,424	$ 53,891	$ 67,964
Gain/(loss) from discontinued operations, net of tax	78	(4)	2,495	(62)
Gain from sale of discontinued operations, net of tax	0	0	312	0
Net income attributable to CoreLogic	$ 41,260	$ 40,420	$ 56,698	$ 67,902
Denominator for basic and diluted net (loss)/income per share:
Weighted-average shares for basic income per share (in shares)	84,548	88,572	84,490	88,441
Dilutive effect of stock options and restricted stock units (in shares)	1,549	1,396	1,734	1,506
Weighted-average shares for diluted income per share (in shares)	86,097	89,968	86,224	89,947
Earnings Per Share, Basic
Net income from continuing operations (usd per share)	$ 0.49	$ 0.46	$ 0.64	$ 0.77
Gain/(loss) from discontinued operations, net of tax (usd per share)	0.00	0.00	0.03	0.00
Gain from sale of discontinued operations, net of tax (usd per share)	0.00	0.00	0.00	0.00
Net income attributable to CoreLogic (usd per share)	0.49	0.46	0.67	0.77
Earnings Per Share, Diluted
Net income from continuing operations (usd per share)	0.48	0.45	0.63	0.76
Gain/(loss) from discontinued operations, net of tax (usd per share)	0.00	0.00	0.03	0.00
Gain from sale of discontinued operations, net of tax (usd per share)	0.00	0.00	0.00	0.00
Net income attributable to CoreLogic (usd per share)	$ 0.48	$ 0.45	$ 0.66	$ 0.76