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SIGNIFICANT ACCOUNTING POLICIES - Schedule of Net Revenues from Customers (Details)	12 Months Ended
	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: