Represents the transfer between the levels of fair value hierarchy that have taken place during the period.

No definition available.

Name:	mc_FairValueMeasurementTransfersBetweenLevels
Namespace Prefix:	mc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the amount distributed to parent in non-cash investing activities.

+ References

No definition available.

+ Details

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

- Definition

Represents the amount of accounts receivable settled in noncash investing activities.

+ References

No definition available.

+ Details

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

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_ConvertibleNotesPayableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

FAIR VALUE MEASUREMENTS (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Changes to the Company's investment classified as Level 3
Non-cash settlement of customer receivable	$ 635		$ 2,828
Transfers between Level 1, Level 2 or Level 3	0	$ 0
Convertible notes
Changes to the Company's investment classified as Level 3
Non-cash settlement of customer receivable	635
Balance at end of the period	$ 635
Common Stock
Changes to the Company's investment classified as Level 3
Balance at beginning of the period		1,904
Non-cash settlement of customer receivable		1,000
Distribution to Parent		$ (2,904)
Balance at end of the period			$ 1,904