Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Operating revenues	$ 483,131	$ 523,896	$ 1,396,960	$ 1,477,644
Cost of services (excluding depreciation and amortization shown below)	244,186	275,469	745,314	785,578
Selling, general and administrative expenses	131,323	118,208	346,723	344,288
Depreciation and amortization	45,326	44,498	131,668	127,433
Total operating expenses	420,835	438,175	1,223,705	1,257,299
Operating income	62,296	85,721	173,255	220,345
Interest expense:
Interest income	393	736	1,323	1,921
Interest expense	16,686	15,084	45,352	49,039
Total interest expense, net	(16,293)	(14,348)	(44,029)	(47,118)
Loss on extinguishment of debt and other, net	(3,095)	(20,056)	(6,513)	(17,873)
Income from continuing operations before equity in earnings of affiliates and income taxes	42,908	51,317	122,713	155,354
Provision for income taxes	11,851	15,922	36,759	51,984
Income from continuing operations before equity in earnings of affiliates	31,057	35,395	85,954	103,370
Equity in earnings/(losses) of affiliates, net of tax	(229)	607	(1,232)	595
Net income from continuing operations	30,828	36,002	84,722	103,965
(Loss)/gain from discontinued operations, net of tax	(74)	(936)	2,421	(998)
Gain from sale of discontinued operations, net of tax	0	0	310	0
Net income	$ 30,754	$ 35,066	$ 87,453	$ 102,967
Basic income/(loss) per share:
Net income from continuing operations (usd per share)	$ 0.37	$ 0.41	$ 1.01	$ 1.18
Gain/(loss) from discontinued operations, net of tax (usd per share)	0.00	(0.01)	0.03	(0.01)
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)	0.37	0.40	1.04	1.17
Diluted income/(loss) per share:
Net income from continuing operations (usd per share)	0.36	0.40	0.99	1.16
Gain/(loss) from discontinued operations, net of tax (usd per share)	0.00	(0.01)	0.03	(0.01)
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)	$ 0.36	$ 0.39	$ 1.02	$ 1.15
Weighted-average common shares outstanding:
Basic (in shares)	83,362	87,584	84,114	88,141
Diluted (in shares)	85,090	89,188	85,840	89,701