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STATUTORY RESERVES AND RESTRICTED NET ASSETS (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure Text Block Supplement [Abstract] |  |
Reserve percentage | 10.00% |
Registered capital percentage | 50.00% |
Restricted net asset | $ 523,087 | $ 378,506

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- Definition Registered Capital Percentage + References No definition available. + Details
Name: | mvst_RegisteredCapitalPercentage
Namespace Prefix: | mvst_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Reserve percentage. + References No definition available. + Details
Name: | mvst_ReservePercentage
Namespace Prefix: | mvst_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Restricted Net Asset. + References No definition available. + Details
Name: | mvst_RestrictedNetAsset
Namespace Prefix: | mvst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockSupplementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration