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Long-Term Debt (Boyd Bank Credit Facility Narrative) (Details) (USD $)
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3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 0 Months Ended | 3 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
Parent
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Sep. 30, 2013
Parent
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May 30, 2013
Parent
Senior Subordinated Notes
6.75% Senior Subordinated Notes Due 2014
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Apr. 06, 2013
Parent
Senior Subordinated Notes
6.75% Senior Subordinated Notes Due 2014
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Sep. 30, 2013
Parent
Bank Credit Facility
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Dec. 31, 2012
Parent
Bank Credit Facility
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Dec. 31, 2012
Parent
Bank Credit Facility
Extended Revolving Facility
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Sep. 30, 2013
Parent
Bank Credit Facility
Initial Term Loan
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Dec. 31, 2012
Parent
Bank Credit Facility
Initial Term Loan
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Sep. 30, 2013
Parent
Bank Credit Facility
Incremental Term Loan
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Dec. 31, 2012
Parent
Bank Credit Facility
Incremental Term Loan
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Sep. 30, 2013
Parent
Letter of Credit
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Sep. 30, 2013
Subsidiary, Peninsula Gaming
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Sep. 30, 2013
Subsidiary, Peninsula Gaming
Bank Credit Facility
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Dec. 31, 2012
Subsidiary, Peninsula Gaming
Bank Credit Facility
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Sep. 30, 2013
Subsidiary, Peninsula Gaming
Letter of Credit
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Dec. 31, 2012
Subsidiary, Borgata
Bank Credit Facility
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Sep. 30, 2013
Subsidiary, Borgata
Letter of Credit
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| Line of Credit Facility [Line Items] | ||||||||||||||||||||||
| Loss on early retirements of debt | $ (27,141,000) | $ 0 | $ (29,513,000) | $ 0 | $ (24,605,000) | $ (25,001,000) | $ 100,000 | $ 300,000 | $ 20,800,000 | |||||||||||||
| Line of Credit Facility, Covenant Terms, Minimum Consolidated Interest Coverage Ratio Required | 2.0 | |||||||||||||||||||||
| Blended interest rate at period end | 3.70% | 4.20% | 5.70% | 4.90% | ||||||||||||||||||
| Amount outstanding, gross | 826,200,000 | |||||||||||||||||||||
| Amount outstanding | 1,443,400,000 | 1,466,635,000 | 660,000,000 | 250,000,000 | 450,000,000 | 900,000,000 | 332,500,000 | 8,500,000 | 5,800,000 | 3,200,000 | ||||||||||||
| Remaining borrowing capacity | 293,600,000 | 31,800,000 | ||||||||||||||||||||
| Extended Revolving Facility: | ||||||||||||||||||||||
| Maximum borrowing capacity | $ 875,000,000 | |||||||||||||||||||||