Description of the Company	12 Months Ended
	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of the Company	Description of the CompanyWe are a leading global property information, analytics and data-enabled software platforms and services provider operating in North America, Western Europe and Asia Pacific. Our combined data from public, contributory and proprietary sources provides detailed coverage of property, mortgages and other encumbrances, property risk and replacement cost, location, hazard risk and related performance information. We have more than one million users who rely on our data and predictive decision analytics to reduce risk, enhance transparency and improve the performance of their businesses. With our data as a foundation, we have built strong analytics capabilities and a variety of value-added business services to meet our clients’ needs for property tax processing, property valuation, hazard risk, property risk and replacement cost, flood plain location determination and other geospatial data, analytics and related services. Clients rely on us to help identify and manage growth opportunities, improve performance and mitigate risk. We are also a party to various joint ventures under which we share control of the management of the operations with the other partner.As used herein, the terms "CoreLogic," the "Company," "we," "our" and "us" refer to CoreLogic, Inc. and our consolidated subsidiaries, except where it is clear that the terms mean only CoreLogic, Inc. and not our subsidiaries.