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v3.22.4

SIGNIFICANT ACCOUNTING POLICIES - Schedule of Net Revenues from Customers (Details) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Customer A |  |
Significant Accounting Policies [Line Items] |  |
Percentage of revenue contribution | 12.00% | 11.00%

X
- Definition Percentage Of Revenue Contributed By Customer + References No definition available. + Details
Name: | mvst_PercentageOfRevenueContributedByCustomer
Namespace Prefix: | mvst_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | mvst_SignificantAccountingPoliciesLineItems
Namespace Prefix: | mvst_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=mvst_CustomerAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |