v2.4.0.6
Fair Value Measurements (Narrative) (Details) (USD $)
0 Months Ended 12 Months Ended
Dec. 31, 2012
Fair Value, Measurements, Recurring
Carrying Value
Dec. 20, 2011
Kansas Star
Dec. 31, 2012
Earnout on Excess of EBITDA in 2015
Kansas Star
Dec. 31, 2012
Peninsula Gaming
Nov. 20, 2012
Peninsula Gaming
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Investment available for sale $ 22,400,000        
Debt security, interest rate 7.50%        
Earnout threshhold, EBITDA of certain properties     105,000,000    
Earnout multiple     7.5    
Contingent consideration - Kansas Star earn out         9,800,000
Payment to option holder, percentage of EBITDA   1.00%      
Payment to option holder, term   10 years      
Contingent consideration, liability for payments to option holder, current       900,000  
Contingent consideration, liability for payments to option holder, noncurrent       $ 3,600,000