XML 76 R53.htm IDEA: XBRL DOCUMENT
v3.21.1

ORGANIZATION AND PRINCIPAL ACTIVITIES - Transfer of Ji'nan Dealership (Details) $ in Thousands, ¥ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2018 USD ($) | Nov. 30, 2018 CNY (¥) | Sep. 30, 2018 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Write down of inventory |  |  |  |  | $ 17,826 |
Write-offs for advance to supplier related to Ji'nan Dealership |  |  |  |  |  | $ 16,840
Write-off of prepaid expenses and other current assets |  |  |  |  | $ 22,282 |
Net impact on cost of revenue |  |  |  | $ 2,921 |  |
Write off of amounts due from non-controlling shareholders |  |  |  | $ 7,479 |  |
Ji'nan Dealership |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Write down of inventory |  |  | $ 5,700 |  |  |
Write-offs for advance to supplier related to Ji'nan Dealership |  |  | $ 16,100 |  |  |
Ji'nan Dealership |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Amount due to related party as a consideration for transfer of equity interest | $ 19,500 | ¥ 133.8 |  |  |  |

X
- Definition Represents the amount of Written-off for advance to supplier related to Ji'nan Dearlership. + References No definition available. + Details
Name: | kxin_AdvanceToSupplierWriteOffs
Namespace Prefix: | kxin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition n/a + References No definition available. + Details
Name: | kxin_NetImpactOnCostOfRevenue
Namespace Prefix: | kxin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amounts due from non-controlling shareholders written off. + References No definition available. + Details
Name: | kxin_WriteOffOfAmountsDueFromNonControllingShareholders
Namespace Prefix: | kxin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amount of prepaid expenses and other current assets written off. + References No definition available. + Details
Name: | kxin_WriteOffOfPrepaidExpensesAndOtherCurrentAssets
Namespace Prefix: | kxin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314 + Details
Name: | us-gaap_InventoryWriteDown
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586 + Details
Name: | us-gaap_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1
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_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=kxin_ShandongJieyingHuaqiAutoServiceCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=kxin_ShandongJieyingHuaqiAutoServiceCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |