v2.4.0.6

Summary of Significant Accounting Policies (Investments) (Details) (Peninsula Gaming, USD $)	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities	$ 17,900,000
Available-for-sale securities, current portion	300,000
7.5% City Bonds
Schedule of Available-for-sale Securities [Line Items]
Debt security, interest rate	7.50%
City Bond Maturities
2013	330,000
2014	355,000
2015	380,000
2016	410,000
2017	440,000
Thereafter	20,520,000
Total	22,435,000
Other Assets, Net
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, noncurrent portion	$ 17,600,000

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