v2.4.0.6
Summary of Significant Accounting Policies (Property, Plant and Equipment Useful Lives) (Details)
12 Months Ended
Dec. 31, 2012
Building and Improvements | Minimum
 
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 10 years
Building and Improvements | Maximum
 
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 40 years
Riverboats and Barges | Minimum
 
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 10 years
Riverboats and Barges | Maximum
 
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 40 years
Furniture and Equipment | Minimum
 
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 3 years
Furniture and Equipment | Maximum
 
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 10 years