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Summary of Significant Accounting Policies (Accounts Receivable, Net) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| 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 |
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Peninsula Gaming
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| Allowance for Doubtful Accounts Receivable [Roll Forward] | |||
| Additions due to acquisition or consolidation | 0 | 2,072 | 0 |
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Borgata
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| Allowance for Doubtful Accounts Receivable [Roll Forward] | |||
| Additions due to acquisition or consolidation | $ 0 | $ 0 | $ 24,212 |