v3.19.1
Document and Entity Information
12 Months Ended
Dec. 31, 2018
shares
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2018
Document Fiscal Year Focus 2018
Document Fiscal Period Focus FY
Entity Registrant Name Renren Inc.
Entity Central Index Key 0001509223
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Non-accelerated Filer
Trading Symbol RENN
Entity Shell Company false
Entity Emerging Growth Company false
Common Class A [Member]  
Entity Common Stock, Shares Outstanding 737,222,448
Common Class B [Member]  
Entity Common Stock, Shares Outstanding 305,388,450