Basis of Condensed Consolidated Financial Statements (Details) $ / shares in Units, $ in Thousands, NZD in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2016 USD ($) customer $ / shares	Sep. 30, 2015 customer $ / shares	Mar. 31, 2015 USD ($) $ / shares	Sep. 30, 2016 USD ($) customer $ / shares	Sep. 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	$ 0.39	$ 0.31		$ 1.15	$ 1.00
Net income attributable to CoreLogic, basic (usd per share) | $ / shares	$ 0.40	$ 0.32		$ 1.17	$ 1.01
Marketable securities	$ 21,819			$ 21,819				$ 22,709
Mandatorily redeemable noncontrolling interests	0			0				18,981
Escrow deposit	1,300,000			1,300,000				340,300
Reserves incorrect disposition of assets	20,000			20,000				21,200
Deferred income tax assets, long-term	2,180			2,180				2,219
Deferred income tax liabilities, long term	$ 109,667			$ 109,667				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	41.20%	30.30%		41.60%	32.70%
Client A [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Concentration risk, percentage	14.60%			14.60%
Client B [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Concentration risk, percentage	11.30%			11.50%