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Leases, General Information (Details) - USD ($)	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Gain (loss) in foreign currency-denominated lease liabilities	$ 5,187,000	$ 6,515,000	$ 1,989,000
Office and Manufacturing Equipment [Member] | Minimum [Member]
Leases [Abstract]
Finance leases term	3 years
Office and Manufacturing Equipment [Member] | Maximum [Member]
Leases [Abstract]
Finance leases term	5 years

X

- Definition

Amount of gain (loss) on the remeasurement of lease liabilities.

+ References

No definition available.

+ Details

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Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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X

- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

+ Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

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- Details

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- Details

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