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Fair Value Measurement (Details)	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Fair value measurement percentage	20.00%

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- Definition

Fair value measurement percentage.

+ References

No definition available.

+ Details

Name:	mvst_FairValueMeasurementPercentage
Namespace Prefix:	mvst_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration