v3.25.3

Contract Liabilities - Contract Liabilities (Details) - USD ($)	Sep. 30, 2025	Mar. 31, 2025
Contract Liabilities [Abstract]
Customer allowances earned	$ 20,461,000	$ 16,283,000
Customer core returns accruals	14,538,000	13,880,000
Core bank liability	10,953,000	1,795,000
Accrued core payment	3,916,000	3,196,000
Customer deposits	2,347,000	2,486,000
Finished goods liabilities	373,000	518,000
Total short-term contract liabilities	52,588,000	38,158,000
Customer core returns accruals	240,287,000	227,588,000
Accrued core payment	3,295,000	3,768,000
Core bank liability	0	10,048,000
Total long-term contract liabilities	$ 243,582,000	$ 241,404,000

The amount of obligations for accrued core payment, classified as current.

+ References

No definition available.

+ Details

Name:	mpaa_ContractWithCustomerLiabilityAccruedCorePaymentCurrent
Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of obligations for accrued core payment, classified as noncurrent.

+ References

No definition available.

+ Details

Name:	mpaa_ContractWithCustomerLiabilityAccruedCorePaymentNoncurrent
Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of obligation for Core bank liability, classified as current.

+ References

No definition available.

+ Details

Name:	mpaa_ContractWithCustomerLiabilityCoreBankLiabilityCurrent
Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of obligation for core bank liability, classified as non current.

+ References

No definition available.

+ Details

Name:	mpaa_ContractWithCustomerLiabilityCoreBankLiabilityNonCurrent
Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of obligation for customer allowances earned, classified as current.

+ References

No definition available.

+ Details

Name:	mpaa_ContractWithCustomerLiabilityCustomerAllowancesEarnedCurrent
Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of obligation representing the estimated future credits to be provided for Used Cores returned by the customers, classified as current.

+ References

No definition available.

+ Details

Name:	mpaa_ContractWithCustomerLiabilityCustomerCoreReturnsAccrualCurrent
Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of obligation representing the estimated future credits to be provided for Used Cores returned by the customers, classified as noncurrent.

+ References

No definition available.

+ Details

Name:	mpaa_ContractWithCustomerLiabilityCustomerCoreReturnsAccrualNoncurrent
Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of obligations for customer deposits, classified as current.

+ References

No definition available.

+ Details

Name:	mpaa_ContractWithCustomerLiabilityCustomerDepositsCurrent
Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of obligations for finished goods liabilities, classified as current.

+ References

No definition available.

+ Details

Name:	mpaa_ContractWithCustomerLiabilityFinishedGoodsLiabilitiesCurrent
Namespace Prefix:	mpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

+ Details

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

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

+ References

+ Details

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

MOTORCAR PARTS OF AMERICA INC 10-Q