Name:	mc_DeferredTaxAssetsCashDistributionInConnectionToInitialPublicOfferingAttributableToExchangesByPartners
Namespace Prefix:	mc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the percentage of tax benefits payable to partners arising from cash distribution to partners in connection to Initial Public Offering attributable to exchanges by partners.

No definition available.

Name:	mc_DeferredTaxAssetsCashDistributionInConnectionToInitialPublicOfferingPercentageOfTaxBenefitsPayableToPartner
Namespace Prefix:	mc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the period over which the tax benefits arising from cash distribution to partners in connection to Initial Public Offering attributable to exchanges by partners, are to be paid to partners.

No definition available.

Name:	mc_DeferredTaxAssetsCashDistributionInConnectionToInitialPublicOfferingPeriodToPayTaxBenefitsToPartner
Namespace Prefix:	mc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the value of tax benefits payable to partners arising from cash distribution to partners in connection to Initial Public Offering attributable to exchanges by partners.

No definition available.

Name:	mc_DeferredTaxAssetsCashDistributionInConnectionToInitialPublicOfferingValueOfTaxBenefitsPayableToPartner
Namespace Prefix:	mc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the amount of increase (decrease) of the amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

No definition available.

Name:	mc_DeferredTaxAssetsNetIncreaseDecrease
Namespace Prefix:	mc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the amount of increase (decrease) of the amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards attributable to tax impact associated with existing books and tax basis temporary difference items allocated to entity and subject to corporate income tax rate.

No definition available.