v2.4.0.6
Segment Information (Certain Segment Operating Data and Other) (Details) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
segment
Dec. 31, 2011
Dec. 31, 2010
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items]                      
Net revenues $ 625,842,000 $ 613,279,000 $ 615,222,000 $ 633,083,000 $ 606,674,000 $ 590,215,000 $ 574,403,000 $ 564,946,000 $ 2,487,426,000 $ 2,336,238,000 $ 2,140,899,000
Operating income from Borgata                 0 0 8,146,000
Adjusted EBITDA                 492,051,000 506,289,000 459,814,000
Depreciation and amortization                 214,332,000 195,343,000 199,275,000
Corporate expense                 50,719,000 48,962,000 48,861,000
Preopening expense                 11,541,000 6,634,000 7,459,000
Other operating items, net                 6,650,000 8,007,000 4,713,000
Operating income (loss) (1,038,044,000) 48,348,000 58,239,000 76,582,000 54,846,000 68,164,000 61,990,000 48,104,000 (854,875,000) 233,104,000 189,359,000
Number of reportable segments                 5    
Reportable Segment
                      
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items]                      
Net revenues                 2,482,819,000 2,330,844,000 2,134,495,000
Adjusted EBITDA                 492,051,000 506,289,000 451,668,000
Las Vegas Locals
                      
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items]                      
Net revenues                 591,306,000 604,965,000 607,366,000
Adjusted EBITDA                 128,742,000 145,848,000 137,464,000
Downtown Las Vegas
                      
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items]                      
Net revenues                 224,178,000 224,251,000 218,222,000
Adjusted EBITDA                 32,832,000 35,214,000 34,227,000
Midwest and South
                      
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items]                      
Net revenues                 924,188,000 771,354,000 728,767,000
Adjusted EBITDA                 192,349,000 167,101,000 143,699,000
Peninsula Gaming
                      
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items]                      
Net revenues                 56,925,000 0 0
Adjusted EBITDA                 21,152,000 0 0
Atlantic City
                      
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items]                      
Net revenues                 686,222,000 730,274,000 580,140,000
Adjusted EBITDA                 116,976,000 158,126,000 136,278,000
Other
                      
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items]                      
Net revenues                 4,607,000 5,394,000 6,404,000
Unallocated to Segment
                      
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items]                      
Depreciation and amortization                 214,332,000 195,343,000 199,275,000
Corporate expense                 50,719,000 48,962,000 48,861,000
Preopening expense                 11,541,000 6,634,000 7,459,000
Other operating items, net                 1,053,526,000 14,058,000 4,713,000
Other                 16,808,000 8,188,000 10,147,000
Total other operating costs and expenses                 $ 1,346,926,000 $ 273,185,000 $ 270,455,000