XML 17 R7.htm IDEA: XBRL DOCUMENT
v3.21.4

Unaudited Condensed Consolidated Statements of Changes in Shareholders' (Deficit)/Equity (Parentheticals) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2021
Statement of Stockholders' Equity [Abstract] |  |
Issuance of common stock upon the reverse recapitalization | $ 42.8 | $ 42.8

X
- Definition The value of transaction fees. + References No definition available. + Details
Name: | mvst_TransactionFees
Namespace Prefix: | mvst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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