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BONDS PAYABLE - Schedule of Bonds Payable (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Schedule of Bonds Payable [Line Items] |  |
Long-term bonds payable, Total | $ 43,888 | $ 73,147
Huzhou Saiyuan |  |
Schedule of Bonds Payable [Line Items] |  |
Long-term bonds payable, Total | $ 43,888 | $ 73,147

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- Definition Total of long term bonds payable. + References No definition available. + Details
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Namespace Prefix: | mvst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Schedule of Bonds Payable [Line Items] + References No definition available. + Details
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Namespace Prefix: | mvst_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |