Related Party Transactions (Details Textual) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Related Party Amount Paid	$ 400,000ccg_RelatedPartyAmountPaid	$ 200,000ccg_RelatedPartyAmountPaid	$ 200,000ccg_RelatedPartyAmountPaid
Upfront Payment	100,000ccg_UpfrontPayment
Related Party Monthly Fees Receivable	1,300,000ccg_RelatedPartyMonthlyFeesReceivable	900,000ccg_RelatedPartyMonthlyFeesReceivable
Operating lease costs	$ 2,500,000	$ 4,700,000	$ 3,900,000

Maintenance costs incurred and directly related to services rendered by an entity during the reporting period. Includes the cost of inspections and repairs, materials and routine maintenance costs for all aircraft and engines.

No definition available.

Name:	us-gaap_AircraftMaintenanceMaterialsAndRepairs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration