v2.4.0.6
Summary of Significant Accounting Policies (Accounts Receivable, Net) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Allowance for Doubtful Accounts Receivable [Roll Forward]      
Beginning balance, January 1 $ 28,491 $ 26,514 $ 4,169
Additions 1,549 3,864 2,766
Deductions (4,347) (3,959) (4,633)
Ending balance 25,693 28,491 26,514
Peninsula Gaming
     
Allowance for Doubtful Accounts Receivable [Roll Forward]      
Additions due to acquisition or consolidation 0 2,072 0
Borgata
     
Allowance for Doubtful Accounts Receivable [Roll Forward]      
Additions due to acquisition or consolidation $ 0 $ 0 $ 24,212