XML 65 R56.htm IDEA: XBRL DOCUMENT
v3.23.3

COMMITMENTS AND CONTINGENCIES - Repurchase Obligations (Details) $ in Millions | Sep. 30, 2023 USD ($)
--- | ---
Repurchase obligations |
Total purchase obligation | $ 22.0
Floor plan lender one |
Repurchase obligations |
Total purchase obligation | 14.6
Floor plan lender one | Minimum |
Repurchase obligations |
Total purchase obligation | 8.0
Additional floor plan lenders |
Repurchase obligations |
Total purchase obligation | $ 7.4

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ProductWarrantyLiabilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | srt_CounterpartyNameAxis=mpx_FloorPlanLenderOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=mpx_AdditionalFloorPlanLendersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |