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PRODUCT WARRANTY - Schedule of Movement of Product Warranty (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at beginning of the year		$ 58,458	$ 19,356	$ 18,416
Provided during the year	$ 14,097	52,932	3,477
Utilized during the year	(26,916)	(13,830)	(2,537)
Exchange difference	(3,579)	0	0
Balance at end of the year	42,060	58,458	19,356
Product warranty	13,044	20,922	4,296
Product warranty – non-current	$ 29,016	$ 37,536	$ 15,060

X

- Definition

Exchange Difference Of The Product Warranty During The Period

+ References

No definition available.

+ Details

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Namespace Prefix:	mvst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Movement of product warranty ending balance.

+ References

No definition available.

+ Details

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

X

- Definition

Movement of product warranty opening balance.

+ References

No definition available.

+ Details

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

X

- Definition

Utilization Of The Product Warranty During The Period

+ References

No definition available.

+ Details

Name:	mvst_UtilizationOfTheProductWarrantyDuringThePeriod
Namespace Prefix:	mvst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Warranty expense provided during the period.

+ References

No definition available.

+ Details

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

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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

X

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=126907703&loc=d3e12524-110249

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 25
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126907644&loc=d3e11281-110244

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Period Type:	instant