XML 54 R45.htm IDEA: XBRL DOCUMENT v3.2.0.727

Asset Retirement Obligation (Narrative) (Detail)	12 Months Ended
	Dec. 31, 2014
Asset Retirement Obligation [Line Items]
Asset Retirement Obligations Description	Due to the high rate of lease renewals over a long period of time, the calculation assumes that all related assets will be removed at some period over the next 50 years.

X

- Definition

Asset Retirement Obligation [Line Items]

+ References

No definition available.

+ Details

Name:	ccmo_AssetRetirementObligationLineItems
Namespace Prefix:	ccmo_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

A general description of the asset retirement obligations and the associated long-lived assets. Description may include the terms of the legal restriction.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 410



-SubTopic 20



-Section 50



-Paragraph 1



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

+ Details

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