Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 152,162	$ 106,550	$ 128,996
Other comprehensive income/(loss):
Market value adjustments to marketable securities, net of tax	0	(550)	275
Market value adjustments on interest rate swaps, net of tax	5,481	4,618	(364)
Foreign currency translation adjustments	22,440	(3,642)	(36,968)
Supplemental benefit plans adjustments, net of tax	806	(2,728)	727
Total other comprehensive income/(loss)	28,727	(2,302)	(36,330)
Comprehensive income	180,889	104,248	92,666
Less: Comprehensive income attributable to the noncontrolling interests	0	0	1,152
Comprehensive income attributable to CoreLogic	$ 180,889	$ 104,248	$ 91,514