v2.4.0.6
Commitments and Contingencies (Borgata Commitments) (Details) (Borgata, USD $)
In Millions, unless otherwise specified
1 Months Ended 12 Months Ended
Dec. 31, 2007
Dec. 31, 2012
Long-term Purchase Commitment [Line Items]    
Initial term of utility contract 20 years 50 years
Purchase Commitment, Thermal Energy Commitment
   
Long-term Purchase Commitment [Line Items]    
Annual purchase commitments   11.6
Long-Term Purchase Commitment, Electricity Commitment
   
Long-term Purchase Commitment [Line Items]    
Annual purchase commitments   1.7