Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND OTHER INTANGIBLES- Summary of changes to goodwill (Details)

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GOODWILL AND OTHER INTANGIBLES- Summary of changes to goodwill (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Goodwill [Roll Forward]    
Balance at beginning of the period $ 22,127 $ 7,456
Changes during the period      
Balance at end of the period 22,127 7,456
Stockman's
    
Goodwill [Roll Forward]    
Balance at beginning of the period 5,809 5,809
Changes during the period      
Balance at end of the period 5,809 5,809
Rising Star
    
Goodwill [Roll Forward]    
Balance at beginning of the period 1,647 1,647
Changes during the period      
Balance at end of the period 1,647 1,647
Silver Slipper Casino Venture, LLC
    
Goodwill [Roll Forward]    
Balance at beginning of the period 14,671  
Changes during the period     
Balance at end of the period $ 14,671