v3.25.2
Cover - shares
shares in Thousands
6 Months Ended
Jun. 30, 2025
Jul. 29, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-37397  
Entity Registrant Name Rimini Street, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 36-4880301  
Entity Address, Address Line One 1700 S. Pavilion Center Drive  
Entity Address, Address Line Two Suite 330  
Entity Address, City or Town Las Vegas  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89135  
City Area Code (702)  
Local Phone Number 839-9671  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   92,518
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0001635282  
Current Fiscal Year End Date --12-31  
Common Stock, par value $0.0001 per share    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol RMNI  
Security Exchange Name NASDAQ