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Contract Assets (Details) - USD ($) | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Contract Assets [Abstract] |  |
Long-term contract assets, write-down | $ 4,671,000 | $ 4,600,000
Short-term contract assets [Abstract] |  |
Cores expected to be returned by customers | 15,778,000 | 17,657,000
Upfront payments to customers | 517,000 | 684,000
Finished goods premiums paid to customers | 584,000 | 405,000
Core premiums paid to customers | 10,621,000 | 8,194,000
Total short-term contract assets | 27,500,000 | 26,940,000
Long-term contract assets [Abstract] |  |
Remanufactured cores held at customers' locations | 258,376,000 | 229,918,000
Upfront payments to customers | 210,000 | 486,000
Finished goods premiums paid to customers | 2,806,000 | 2,731,000
Core premiums paid to customers | 43,294,000 | 31,509,000
Long-term core inventory deposits | 5,569,000 | 5,569,000
Total long-term contract assets | $ 310,255,000 | $ 270,213,000

X
- Definition Represents the difference between the Remanufactured Core sales price and its related cost. Core premiums expected to be amortized during the Company's normal operating cycle, which is generally one year. + References No definition available. + Details
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Balance Type: | debit
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X
- Definition Represents the difference between the Remanufactured Core sales price and its related cost as of the balance sheet date, classified as noncurrent. + References No definition available. + Details
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Namespace Prefix: | mpaa_
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X
- Definition Represents the Remanufactured Core portion of stock adjustment returns and Used Cores returned by consumers to the Company's customers but not yet returned to the Company. These cores are recorded as contract assets until the Company physically receives them during its normal operation cycle, which is generally one year. + References No definition available. + Details
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X
- Definition Represents the difference between the finished good acquisition price paid to customers and the related finished good cost, which is treated as an asset and recognized as a reduction of revenue through the later of the date at which related revenue is recognized or the date at which the sales incentive is offered, classified as current. + References No definition available. + Details
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Namespace Prefix: | mpaa_
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X
- Definition Represents the difference between the finished good acquisition price paid to customers and the related finished good cost, which is treated as an asset and recognized as a reduction of revenue through the later of the date at which related revenue is recognized or the date at which the sales incentive is offered, classified as noncurrent. + References No definition available. + Details
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Balance Type: | debit
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X
- Definition Carrying amount of remanufactured cores the Company has purchased from its customers, which are held by the customers and remain on the customers' premises, classified as noncurrent. + References No definition available. + Details
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X
- Definition Gross amount of remanufactured cores held at customers' locations as of the balance sheet date, classified as noncurrent. + References No definition available. + Details
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Balance Type: | debit
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X
- Definition Represents the marketing allowances provided by the Company to its customers. These allowances are recognized as an asset and amortized over the appropriate period of time, which is generally one year. + References No definition available. + Details
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Balance Type: | debit
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X
- Definition Represents the marketing allowances provided by the Company to its customers as of the balance sheet date, classified as noncurrent. + References No definition available. + Details
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X
- Definition Amount of loss from reductions in long-term contract assets due to quarterly revaluation of contract assets. + References No definition available. + Details
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- References No definition available. + Details
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X
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130533-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 + Details
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130533-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 + Details
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