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Document and Entity Information - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Feb. 13, 2025
Jun. 30, 2024
Cover [Abstract]        
Document Type   10-K    
Document Period End Date   Dec. 31, 2024    
Document Fiscal Year Focus   2024    
Document Fiscal Period Focus   FY    
Amendment Flag   false    
NoInsiderTradingFlag true      
Document Annual Report   true    
Document Transition Report   false    
Entity Registrant Name   Kaltura, Inc.    
Entity Address, Address Line One   860 Broadway    
Entity Address, Address Line Two   3rd Floor    
Entity Address, City or Town   New York    
Entity Address, State or Province   NY    
Entity Address, Postal Zip Code   10003    
Entity Incorporation, State or Country Code   DE    
Entity Well-known Seasoned Issuer   No    
Trading Symbol   KLTR    
Security Exchange Name   NASDAQ    
Title of 12(b) Security   Common stock, $0.0001 par value per share    
Entity Shell Company   false    
Entity Filer Category   Accelerated Filer    
Entity Small Business   true    
Entity Emerging Growth Company   true    
Entity Central Index Key   0001432133    
Current Fiscal Year End Date   --12-31    
Entity Tax Identification Number   20-8128326    
City Area Code   (646)    
Local Phone Number   290-5445    
Entity Voluntary Filers   No    
Entity Current Reporting Status   Yes    
Entity Interactive Data Current   Yes    
Entity Ex Transition Period   false    
Entity Public Float       $ 155,400,000
Entity Common Stock, Shares Outstanding     154,138,268  
ICFR Auditor Attestation Flag   false    
Entity File Number   001-40644    
Document Financial Statement Error Correction [Flag]   false