Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

v2.4.1.9
Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Prepayment
Long-term Commitment [Line Items]      
Rent expense $ 0.9us-gaap_LeaseAndRentalExpense $ 1.1us-gaap_LeaseAndRentalExpense  
Number of additional prepayments     2ent_NumberofAdditionalPrePayments
Minimum | AIA Purchase Agreement      
Long-term Commitment [Line Items]      
Operating lease term 1 year    
Maximum | AIA Purchase Agreement      
Long-term Commitment [Line Items]      
Operating lease term 5 years    
Satellite Service Provider      
Long-term Commitment [Line Items]      
Long-term commitment     289.8us-gaap_OtherCommitment
/ us-gaap_ProductOrServiceAxis
= ent_SatelliteServiceProviderMember
New Skies satellites B.V.      
Long-term Commitment [Line Items]      
Prepayment     4.0us-gaap_PrepaidExpenseNoncurrent
/ us-gaap_ProductOrServiceAxis
= ent_NewSkiessatellitesB.V.Member
New Skies satellites B.V. | Hughes Network Systems LLC      
Long-term Commitment [Line Items]      
Prepayment $ 4.0us-gaap_PrepaidExpenseNoncurrent
/ us-gaap_CounterpartyNameAxis
= ent_HughesNetworkSystemsLLCMember
/ us-gaap_ProductOrServiceAxis
= ent_NewSkiessatellitesB.V.Member 		   
Movie License Fees | AIA Purchase Agreement      
Long-term Commitment [Line Items]      
Commitment contract period 3 years    
Movie Content Providers | AIA Purchase Agreement      
Long-term Commitment [Line Items]      
Commitment contract period 12 months