v2.4.0.6
Noncontrolling Interest (Changes in Noncontrolling Interest) (Details) (USD $)
In Thousands, unless otherwise specified
 1 Months Ended 12 Months Ended
Aug. 31, 2010
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Balance, beginning of period   $ 171,987 $ 172,164 $ 297,762
Distributions       (123,422)
Capital investment   20    
Attributable net income (loss)   (14,210) (4,145) 1,940
Comprehensive income   5,539 3,968 (4,116)
Balance, end of period   163,336 171,987 172,164
Borgata
        
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Balance, beginning of period   221,006 219,256 325,580
Distributions (123,422)     (123,422)
Capital investment   0    
Attributable net income (loss)   (12,729) 1,750 17,098
Comprehensive income   0 0 0
Balance, end of period   208,277 221,006 219,256
LVE
        
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Balance, beginning of period   (49,019) (47,092) (27,818)
Distributions       0
Capital investment   0    
Attributable net income (loss)   (1,481) (5,895) (15,158)
Comprehensive income   5,539 3,968 (4,116)
Balance, end of period   (44,961) (49,019) (47,092)
Other
        
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]        
Balance, beginning of period   0 0 0
Distributions       0
Capital investment   20    
Attributable net income (loss)   0 0 0
Comprehensive income   0 0 0
Balance, end of period   $ 20 $ 0 $ 0