Document and Entity Information
12 Months Ended
Dec. 31, 2018
Document and Entity Information  
Entity Registrant Name Yirendai Ltd.
Entity Central Index Key 0001631761
Document Type 20-F
Document Period End Date Dec. 31, 2018
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
Entity Common Stock, Shares Outstanding 123,128,842
Entity Emerging Growth Company true
Entity Ex Transition Period true
Entity Shell Company false
Document Fiscal Year Focus 2018
Document Fiscal Period Focus FY