v3.25.1
Cover Page - shares
3 Months Ended
Mar. 31, 2025
Apr. 25, 2025
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Document Quarterly Report true  
Document Transition Report false  
Entity Registrant Name ZETA GLOBAL HOLDINGS CORP.  
Entity Central Index Key 0001851003  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Trading Symbol ZETA  
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Interactive Data Current Yes  
Title of 12(b) Security Class A Common Stock  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity File Number 001-40464  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 80-0814458  
Entity Address, Address Line One 3 Park Ave, 33rd Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10016  
City Area Code 212  
Local Phone Number 967-5055  
Common Class A and Common Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   235,544,133
Common Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   211,449,062
Common Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   24,095,071