XML 74 R60.htm IDEA: XBRL DOCUMENT v3.24.0.1

COMMITMENTS AND CONTINGENCIES - Dealer floor plan financing (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
COMMITMENTS AND CONTINGENCIES
Repurchases of inventory	$ 0.0	$ 0.0
Total purchase obligation	26.6
Floor plan lender one
COMMITMENTS AND CONTINGENCIES
Total purchase obligation	18.9
Floor plan lender one | Minimum
COMMITMENTS AND CONTINGENCIES
Total purchase obligation	8.0
Additional floor plan lenders
COMMITMENTS AND CONTINGENCIES
Total purchase obligation	$ 7.7

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:	mpx_CommitmentsAndContingenciesLineItems
Namespace Prefix:	mpx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of repurchases of inventory under contractual agreements.

+ References

No definition available.

+ Details

Name:	mpx_RepurchaseObligationsRepurchasesOfInventoryUnderContractualAgreements
Namespace Prefix:	mpx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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: