v2.4.0.6
Noncontrolling Interest (Changes in Noncontrolling Interest) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]      
Attributable to net income (loss) $ 4,343 $ (623)  
Comprehensive income 0    
Noncontrolling Interest, Decrease from Deconsolidation 45,404    
Balance, March 31, 2013 204,397   163,336
Borgata
     
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]      
Attributable to net income (loss) 3,900    
Comprehensive income 0    
Balance, March 31, 2013 204,377   208,277
Consolidation, Eliminations Related to Variable Interest Entity [Member]
     
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]      
Attributable to net income (loss) (443) 0  
Balance, March 31, 2013     0
LVE
     
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]      
Attributable to net income (loss) 0 672  
Comprehensive income 0    
Noncontrolling Interest, Decrease from Deconsolidation 45,404    
Balance, March 31, 2013 0   (44,961)
Other Member [Member]
     
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]      
Balance, March 31, 2013 20   20
Noncontrolling Interest
     
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]      
Noncontrolling Interest, Decrease from Deconsolidation $ 45,404