Name:	cenn_LossContingencyDamagesSoughtRecoveryOfAdvancePayments
Namespace Prefix:	cenn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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The number of causes of action sounding in contract and tort against the defendants.

No definition available.

Name:	cenn_NumberOfComplaintCausesInContractAndTortAgainstDefendants
Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
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The number of contract claims, Plaintiff alleges breach of contract claims pertaining to an employment agreement between Plaintiff and CAG and a purported letter agreement between Plaintiff and CEL.

No definition available.

Name:	cenn_NumberOfContractClaims
Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of distribution partners.

No definition available.

Name:	cenn_NumberOfDistributionPartners
Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of ongoing civil litigation cases.

No definition available.

Name:	cenn_NumberOfOngoingCivilLitigationCases
Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of signed purchase orders terminated under contract.

No definition available.

Name:	cenn_NumberOfSignedPurchaseOrdersTerminated
Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The number of tort claims.

No definition available.

Name:	cenn_NumberOfTortClaims
Namespace Prefix:	cenn_
Data Type:	xbrli:integerItemType
Balance Type:	na
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The amount of other infringement penalty in the form of a fine.

No definition available.

Name:	cenn_OtherInfringementFine
Namespace Prefix:	cenn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The payment for outstanding invoices exclusive of interest, costs, and attorneys' fees.

No definition available.

Name:	cenn_PaymentForOutstandingInvoices
Namespace Prefix:	cenn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Period to amend complaint by plaintiff , in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

No definition available.

Name:	cenn_PeriodToAmendComplaint
Namespace Prefix:	cenn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

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Data Type:	xbrli:stringItemType
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Amount of damages awarded to the plaintiff in the legal matter.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-9

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount of damages paid to the plaintiff in the legal matter.

Name:	us-gaap_LossContingencyDamagesPaidValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

Name:	us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-4

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-9

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-2

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Name:	srt_StatementGeographicalAxis=country_BE
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_ConsolidatedEntitiesAxis=cenn_ShengzhouHengzhongMachineryCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_ConsolidatedEntitiesAxis=cenn_LEIECenterSRLMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_ConsolidatedEntitiesAxis=cenn_CenntroAutomotiveEuropeGmbHMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_ConsolidatedEntitiesAxis=cenn_HangzhouRondaTechCoLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_DamagesFromProductDefectsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_ConsolidatedEntitiesAxis=cenn_FujianNewlongmaAutomotiveCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_LitigationCaseAxis=cenn_SevicLawsuitMember
Namespace Prefix:
Data Type:	na
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