XML 19 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Feb. 28, 2025
Jun. 28, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-33520    
Entity Registrant Name COMSCORE, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 54-1955550    
Entity Address, Address Line One 11950 Democracy Drive, Suite 600    
Entity Address, City or Town Reston    
Entity Address, State or Province VA    
Entity Address, Postal Zip Code 20190    
City Area Code 703    
Local Phone Number 438-2000    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol SCOR    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction Flag false    
Entity Shell Company false    
Entity Public Float     $ 55.0
Entity Common Stock, Shares Outstanding   4,913,077  
Documents Incorporated by Reference Specified portions of the registrant's Proxy Statement with respect to its 2025 Annual Meeting of Stockholders, to be filed with the Securities and Exchange Commission no later than 120 days following the end of the registrant's fiscal year ended December 31, 2024, are incorporated by reference in Part III of this Annual Report on Form 10-K.    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001158172