Consolidated Statements of Operations - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Operating revenue	$ 1,952,557,000	$ 1,528,110,000	$ 1,405,040,000
Cost of services (exclusive of depreciation and amortization)	1,043,937,000	776,509,000	740,301,000
Selling, general and administrative expenses	461,453,000	398,300,000	351,617,000
Depreciation and amortization	172,578,000	150,377,000	143,364,000
Total operating expenses	1,677,968,000	1,325,186,000	1,235,282,000
Operating income	274,589,000	202,924,000	169,758,000
Interest expense:
Interest income	3,052,000	4,021,000	4,110,000
Interest expense	60,835,000	65,311,000	71,092,000
Total interest expense, net	(57,783,000)	(61,290,000)	(66,982,000)
Gain (Loss) on Extinguishment of Debt	(26,624,000)	(1,589,000)	(763,000)
Tax indemnification release	(23,350,000)	0	0
Impairment Loss on Investment in affiliates	(23,431,000)	0	(360,000)
Gain (Loss) on Disposition of Assets	20,573,000	33,181,000	5,005,000
Income from continuing operations before equity in earnings of affiliates and income taxes	163,974,000	173,226,000	106,658,000
Provision for income taxes	54,524,000	57,394,000	29,770,000
Income from continuing operations before equity in earnings of affiliates	109,450,000	115,832,000	76,888,000
Equity in earnings/(loss) of affiliates, net of tax	496,000	13,720,000	14,120,000
Net income from continuing operations	109,946,000	129,552,000	91,008,000
Loss from discontinued operations, net of tax	(1,466,000)	(556,000)	(16,653,000)
(Loss)/gain from sale of discontinued operations, net of tax	(1,930,000)	0	112,000
Net income	106,550,000	128,996,000	74,467,000
Less: Net income attributable to noncontrolling interests	0	1,152,000	1,267,000
Net income attributable to CoreLogic	106,550,000	127,844,000	73,200,000
Amounts attributable to CoreLogic:
Income from continuing operations, net of tax	109,946,000	128,400,000	89,741,000
Loss from discontinued operations, net of tax	(1,466,000)	(556,000)	(16,653,000)
(Loss)/gain from sale of discontinued operations, net of tax	(1,930,000)	0	112,000
Net income attributable to CoreLogic	$ 106,550,000	$ 127,844,000	$ 73,200,000
Basic income/(loss) per share:
Income from continuing operations, net of tax	$ 1.26	$ 1.44	$ 0.99
Loss from discontinued operations, net of tax	(0.02)	(0.01)	(0.18)
(Loss)/gain from sale of discontinued operations, net of tax	(0.02)	0.00	0.00
Net income attributable to CoreLogic	1.22	1.43	0.81
Diluted income/(loss) per share:
Income from continuing operations, net of tax	1.23	1.42	0.97
Loss from discontinued operations, net of tax (in dollars per share)	(0.02)	(0.01)	(0.18)
(Loss)/gain from sale of discontinued operations, net of tax	(0.02)	0.00	0.00
Earnings Per Share, Diluted	$ 1.19	$ 1.41	$ 0.79
Weighted-average common shares outstanding:
Basic (in shares)	87,502	89,070	90,825
Diluted (in shares)	89,122	90,564	92,429