No definition available.

Name:	mvst_BondLoan
Namespace Prefix:	mvst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Convertible Amount, Subsidiary Value Threshold

+ References

No definition available.

+ Details

Name:	mvst_DebtInstrumentConvertibleAmountSubsidiaryValueThreshold
Namespace Prefix:	mvst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

Name:	mvst_DebtInstrumentOfSubscribedAmount
Namespace Prefix:	mvst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	mvst_EquityHoldingPledgedPercentage
Namespace Prefix:	mvst_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Schedule of Bonds Payable [Line Items]

+ References

No definition available.

+ Details

Name:	mvst_ScheduleOfBondsPayableLineItems
Namespace Prefix:	mvst_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Supplement Agreements Entered Into

+ References

No definition available.

+ Details

Name:	mvst_SupplementAgreementsEnteredInto
Namespace Prefix:	mvst_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_RepaymentsOfConvertibleDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
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Period Type:

BONDS PAYABLE - Narrative (Details) $ in Thousands, ¥ in Millions							6 Months Ended		12 Months Ended		25 Months Ended
	Jan. 31, 2027 USD ($)	Jan. 31, 2027 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 CNY (¥)	Nov. 10, 2022 USD ($)	Nov. 10, 2022 CNY (¥)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 CNY (¥)	Sep. 30, 2022 agreement	Jun. 30, 2025 CNY (¥)	Dec. 29, 2018 USD ($)	Dec. 29, 2018 CNY (¥)
Schedule of Bonds Payable [Line Items]
Bond loan													$ 87,776	¥ 600
Equity holding pledged percentage													12.39%	12.39%
Debt instrument, convertible amount, subsidiary value threshold \| $							$ 950,000
Supplement agreements entered into \| agreement											2
Repayments of convertible debt (in dollars and yuan renminbi)			$ 14,630	¥ 100	$ 14,629	¥ 100	$ 1,375	¥ 10	$ 692	¥ 5
Debt instrument, interest rate, stated percentage							12.00%					12.00%
Subscribed amount (in dollars and yuan renminbi)							$ 41,693					¥ 285
Forecast
Schedule of Bonds Payable [Line Items]
Repayments of convertible debt (in dollars and yuan renminbi)	$ 43,888	¥ 300