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ORGANIZATION AND PRINCIPAL ACTIVITIES - VIEs and VIEs' major subsidiaries (Details) | Dec. 31, 2020
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KAG |
Schedule of Equity Method Investments [Line Items] |
Percentage of legal ownership by Kaixin Auto Group | 100.00%
Renren Finance, Inc |
Schedule of Equity Method Investments [Line Items] |
Percentage of legal ownership by Kaixin Auto Group | 100.00%
Jet Sound Hong Kong Company Limited |
Schedule of Equity Method Investments [Line Items] |
Percentage of legal ownership by Kaixin Auto Group | 100.00%
Shanghai Renren Financial Leasing Co., Ltd. |
Schedule of Equity Method Investments [Line Items] |
Percentage of legal ownership by Kaixin Auto Group | 100.00%
Shanghai Renren Automotive Technology Group Co., Ltd. |
Schedule of Equity Method Investments [Line Items] |
Percentage of legal ownership by Kaixin Auto Group | 100.00%
Shanghai Lingding Automobile Technology Co., Ltd. |
Schedule of Equity Method Investments [Line Items] |
Percentage of legal ownership by Kaixin Auto Group | 100.00%

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