v2.4.0.6
Segment Information (Reconciliation of Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets $ 6,332,193 $ 5,883,054
Reportable Segment
   
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets 5,709,586 4,233,066
Las Vegas Locals
   
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets 1,215,494 1,260,458
Downtown Las Vegas
   
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets 133,689 131,140
Midwest and South
   
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets 1,367,063 1,406,136
Peninsula Gaming
   
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets 1,604,778 0
Atlantic City
   
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets 1,388,562 1,435,332
Corporate
   
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets 395,436 1,421,848
Other
   
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets $ 227,171 $ 228,140