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Long-Term Debt (Borgata Bank Credit Facility Narrative) (Details) (Bank Credit Facility, USD $)
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0 Months Ended | |||||
|---|---|---|---|---|---|---|
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Dec. 31, 2012
Borgata
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Mar. 31, 2013
Parent Company
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Dec. 31, 2012
Parent Company
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Mar. 31, 2013
Borgata Bank Credit Facility Amendment
Subsidiary, Borgata [Member]
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Dec. 27, 2012
Borgata Bank Credit Facility Amendment
Subsidiary, Borgata [Member]
Minimum
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Mar. 31, 2013
Borgata Bank Credit Facility Amendment
Borgata
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| Debt Instrument [Line Items] | ||||||
| Amount outstanding | $ 1,437,695,000 | $ 1,466,635,000 | $ 14,000,000 | |||
| Interest rate at period end | 4.90% | 4.20% | 4.90% | |||
| Remaining borrowing capacity | 278,398,000 | 46,000,000 | ||||
| Debt Instrument, Covenant Terms, Consolidated EBITDA Required for Repurchase or Redemption of Senior Secured Notes | $ 125,000,000 |