v3.7.0.1
Document And Entity Information
12 Months Ended
Dec. 31, 2016
shares
Document Information [Line Items]  
Entity Registrant Name Renren Inc.
Entity Central Index Key 0001509223
Document Type 20-F
Document Period End Date Dec. 31, 2016
Amendment Flag false
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 Accelerated Filer
Document Fiscal Year Focus 2016
Document Fiscal Period Focus FY
Common Class A [Member]  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 719,651,418
Common Class B [Member]  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 305,388,450