Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Operating revenues	$ 444,900	$ 439,851
Cost of services (excluding depreciation and amortization shown below)	239,389	251,966
Selling, general and administrative expenses	114,952	111,850
Depreciation and amortization	46,140	43,472
Total operating expenses	400,481	407,288
Operating income	44,419	32,563
Interest expense:
Interest income	530	338
Interest expense	17,692	14,131
Total interest expense, net	(17,162)	(13,793)
Gain on investments and other, net	161	935
Income from continuing operations before equity in earnings/(losses) of affiliates and income taxes	27,418	19,705
(Benefit)/provision for income taxes	(711)	6,274
Income from continuing operations before equity in earnings/(losses) of affiliates	28,129	13,431
Equity in Earnings/(Losses) of Affiliates, Net of Tax	233	(723)
Net income from continuing operations	28,362	12,708
(Loss)/income from discontinued operations, net of tax	(75)	2,417
Gain from sale of discontinued operations, net of tax	0	313
Net income	$ 28,287	$ 15,438
Basic income per share:
Net income from continuing operations (usd per share)	$ 0.35	$ 0.15
(Loss)/income from discontinued operations, net of tax (usd per share)	0.00	0.03
Gain from sale of discontinued operations, net of tax (usd per share)	0.00	0.00
Net income attributable to CoreLogic (usd per share)	0.35	0.18
Diluted income per share:
Net income from continuing operations (usd per share)	0.34	0.15
(Loss)/income from discontinued operations, net of tax (usd per share)	0.00	0.03
Gain from sale of discontinued operations, net of tax (usd per share)	0.00	0.00
Net income attributable to CoreLogic (usd per share)	$ 0.34	$ 0.18
Weighted-average common shares outstanding:
Basic (in shares)	81,254	84,432
Diluted (in shares)	82,820	86,341