Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Operating revenues	$ 473,978	$ 500,204	$ 913,829	$ 953,747
Cost of services (excluding depreciation and amortization shown below)	249,162	264,731	501,128	510,110
Selling, general and administrative expenses	103,552	115,784	215,400	226,081
Depreciation and amortization	42,871	43,291	86,343	82,935
Total operating expenses	395,585	423,806	802,871	819,126
Operating income	78,393	76,398	110,958	134,621
Interest expense:
Interest income	592	557	930	1,186
Interest expense	14,535	19,030	28,666	33,954
Total interest expense, net	(13,943)	(18,473)	(27,736)	(32,768)
(Loss)/gain on investments and other, net	(4,353)	2,704	(3,418)	2,184
Income from continuing operations before equity in earnings of affiliates and income taxes	60,097	60,629	79,804	104,037
Provision for income taxes	18,635	20,283	24,909	36,062
Income from continuing operations before equity in earnings of affiliates	41,462	40,346	54,895	67,975
Equity in earnings/(losses) of affiliates, net of tax	(280)	78	(1,004)	(11)
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	$ 41,260	$ 40,420	$ 56,698	$ 67,902
Basic income/(loss) per share:
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
Diluted income/(loss) per share:
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
Weighted-average common shares outstanding:
Basic (in shares)	84,548	88,572	84,490	88,441
Diluted (in shares)	86,097	89,968	86,224	89,947