Leases, General Information (Details) - USD ($)	3 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Leases [Abstract]
Gain in foreign currency-denominated lease liabilities	$ 3,770,000	$ 20,000

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

No definition available.

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