XML 128 R105.htm IDEA: XBRL DOCUMENT
v3.21.1

RELATED PARTY BALANCES AND TRANSACTIONS - Related party transactions (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Related Party Transaction [Line Items] |  |  |
Proceeds of advances from related parties | $ 2,140 | $ 115,035 | $ 159,938
Renren And Its Subsidiaries [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Proceeds of advances from related parties | 2,140 | 113,400 |
Loan guarantee provided by related parties |  | 76,007 |
SVF |  |  |
Related Party Transaction [Line Items] |  |  |
Proceeds of advances from related parties |  | 1,600 |
Promissory note to related party |  | 2,614 |
Proceeds from Ordinary shares issued | 4,213 |  |
Ningbo Jiusheng Automobile Sales Co., Ltd. |  |  |
Related Party Transaction [Line Items] |  |  |
Proceeds of advances from related parties | $ 666 |  |
Renren Inc. |  |  |
Related Party Transaction [Line Items] |  |  |
Repayment Of Loans To Renren Inc |  | $ 115,501 |

X
- Definition The amount of loan guarantee provided by related parties. + References No definition available. + Details
Name: | kxin_LoanGuaranteeProvidedByRelatedParties
Namespace Prefix: | kxin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of non interest bearign promissory npte. + References No definition available. + Details
Name: | kxin_NonInterestBearingPromisseryNote
Namespace Prefix: | kxin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Repayment of loans to Renren Inc. + References No definition available. + Details
Name: | kxin_RepaymentOfLoansToRenrenInc
Namespace Prefix: | kxin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromRelatedPartyDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=kxin_RenrenAndItsSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=kxin_ShareholderValueFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=kxin_NingboJiushengAutomobileSalesCo.Ltd.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=kxin_RenrenIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |