XML 27 R1.htm IDEA: XBRL DOCUMENT v3.25.4
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Feb. 28, 2026
Jun. 30, 2025
Cover [Abstract]      
Entity Well-known Seasoned Issuer No    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-38386    
Entity Registrant Name CARDLYTICS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 26-3039436    
Entity Address, Address Line One 675 Ponce de Leon Ave. NE    
Entity Address, Address Line Two Suite 4100    
Entity Address, City or Town Atlanta    
Entity Address, State or Province GA    
Entity Address, Postal Zip Code 30308    
City Area Code (888)    
Local Phone Number 798-5802    
Title of 12(b) Security Common Stock    
Trading Symbol CDLX    
Security Exchange Name NASDAQ    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 85.8
Entity Common Stock, Shares Outstanding (in shares)   55,054,268  
Entity Central Index Key 0001666071    
Amendment Flag false    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Document Financial Statement Error Correction [Flag] false