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

- References

No definition available.

Name:	mc_IncomeTaxesLineItems
Namespace Prefix:	mc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319

Name:	us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Income Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6515339