v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
May 04, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-40644  
Entity Registrant Name Kaltura, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 20-8128326  
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  
City Area Code 646  
Local Phone Number 290-5445  
Title of 12(b) Security Common stock  
Trading Symbol KLTR  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   150,374,742
Entity Central Index Key 0001432133  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false