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Basis of Condensed Consolidated Financial Statements (Details) $ / shares in Units, $ in Thousands, NZD in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2016 USD ($) customer $ / shares	Jun. 30, 2015 customer $ / shares	Mar. 31, 2015 USD ($) $ / shares	Jun. 30, 2016 USD ($) customer $ / shares	Jun. 30, 2015 customer $ / shares	Jan. 31, 2016 USD ($)	Jan. 31, 2016 NZD	Dec. 31, 2015 USD ($)	Dec. 31, 2015 NZD
Net income attributable to CoreLogic, diluted (usd per share) \| $ / shares	$ 0.45	$ 0.36		$ 0.76	$ 0.68
Net income attributable to CoreLogic, basic (usd per share) \| $ / shares	$ 0.46	$ 0.37		$ 0.77	$ 0.69
Marketable securities	$ 22,570			$ 22,570				$ 22,709
Mandatorily redeemable noncontrolling interests	0			0				18,981
Escrow deposit	804,900			804,900				340,300
Reserves Incorrect Disposition Of Assets	19,300			19,300				21,200
Deferred income tax assets, long-term	2,240			2,240				2,219
Deferred income tax liabilities, long term	$ 101,881			$ 101,881				107,249
Minimum [Member]
Escrow deposits, period held by the Company (in business days)				2 days
Maximum [Member]
Escrow deposits, period held by the Company (in business days)				5 days
Restatement Adjustment [Member]
Interest expense			$ 5,200
Interest expense, net			$ 3,100
Net income attributable to CoreLogic, diluted (usd per share) \| $ / shares			$ 0.03
Net income attributable to CoreLogic, basic (usd per share) \| $ / shares			$ 0.03
PIQ Acquisition [Member]
Mandatorily redeemable noncontrolling interests						$ 19,000	NZD 27.8	$ 19,000	NZD 27.8
Remaining equity interest acquired						40.00%	40.00%
Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Number of customers \| customer	2	0		2	0
Ten Largest Clients [Member] \| Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Concentration risk, percentage	43.00%	38.00%		43.00%	34.00%
Client A [Member] \| Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Concentration risk, percentage	15.00%			14.00%
Client B [Member] \| Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Concentration risk, percentage	11.00%			12.00%