XML 11 R1.htm IDEA: XBRL DOCUMENT v3.23.3
COVER - shares
 9 Months Ended
Sep. 30, 2023
Oct. 31, 2023
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2023  
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, Suite 6000  
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 792-5802  
Title of 12(b) Security Common Stock  
Trading Symbol CDLX  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   39,254,146
Amendment Flag false  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001666071  
Current Fiscal Year End Date --12-31