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Note 14. Financial Instruments and Fair Value Measurements (Detail) - Table of Assets Measured at Fair Value on a Non-Recurring Basis (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Jan. 01, 2012
Assets    
Land held for development $ 1,130 $ 1,130
Land held for sale 405 1,729
Property and equipment related to the acquisition of the Rocky Gap Resort 14,992 8,170
Rocky Gap Resort [Member] | Fair Value, Inputs, Level 3 [Member]
   
Assets    
Property and equipment related to the acquisition of the Rocky Gap Resort 6,173  
Intangible assets related to the acquisition of the Rocky Gap Resort 627  
Rocky Gap Resort [Member]
   
Assets    
Property and equipment related to the acquisition of the Rocky Gap Resort 6,173  
Intangible assets related to the acquisition of the Rocky Gap Resort 627  
Fair Value, Inputs, Level 3 [Member]
   
Assets    
Land held for development 1,130 1,130
Land held for sale $ 405 $ 1,729