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Asset Acquisitions (Narrative) (Details) (USD $)
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12 Months Ended | 0 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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Dec. 31, 2012
Minimum
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Dec. 31, 2012
Maximum
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Nov. 20, 2012
Peninsula Gaming
state
property
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Oct. 04, 2011
IP Casino Resort Spa
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Dec. 31, 2012
IP Casino Resort Spa
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Dec. 31, 2011
IP Casino Resort Spa
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Sep. 30, 2011
Development Agreement
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Dec. 31, 2012
Earnout on Excess of EBITDA in 2015
Kansas Star
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Dec. 31, 2012
Peninsula Gaming
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Dec. 31, 2011
Peninsula Gaming
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Dec. 31, 2010
Peninsula Gaming
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Nov. 20, 2012
Peninsula Gaming
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Dec. 31, 2012
Other Operating Items, Net
Peninsula Gaming
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Dec. 31, 2012
Other Operating Items, Net
IP Casino Resort Spa
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| Business Acquisition [Line Items] | ||||||||||||||||||
| Percentage of common stock acquired | 100.00% | |||||||||||||||||
| Number of gaming entertainment properties acquired | 5 | |||||||||||||||||
| Number of states represented by acquired properties | 3 | |||||||||||||||||
| Purchase price | $ 1,477,137,000 | $ 280,629,000 | $ 280,629,000 | $ 24,500,000 | ||||||||||||||
| Earnout threshhold, EBITDA of certain properties | 105,000,000 | |||||||||||||||||
| Earnout multiple | 7.5 | |||||||||||||||||
| Contingent consideration - Kansas Star earn out | 9,800,000 | |||||||||||||||||
| Acquired accounts receivable, net | 1,230,000 | |||||||||||||||||
| Acquired accounts receivable, gross | 3,300,000 | |||||||||||||||||
| Acquired accounts receivable, reserve for estimated uncollectible amounts | 2,100,000 | |||||||||||||||||
| Goodwill, net | 694,929,000 | 213,576,000 | 213,576,000 | 213,576,000 | 481,353,000 | 481,353,000 | 481,300,000 | |||||||||||
| Acquisition related costs | 18,700,000 | 4,800,000 | ||||||||||||||||
| Other Income | (137,000) | 11,582,000 | 10,000,000 | |||||||||||||||
| Bargain purchase gain | 0 | 4,582,000 | 0 | 4,582,000 | ||||||||||||||
| Capital improvements contingency | 44,000,000 | 44,000,000 | ||||||||||||||||
| Capital improvement project expenditures incurred in period | 108,643 | 84,563 | 48,783 | 28,000,000 | 7,606 | 0 | 0 | |||||||||||
| Cumulative total project expenditures to date | 29,500,000 | |||||||||||||||||
| Other Acquisitions | ||||||||||||||||||
| Obligation to fund certain pre-development costs, annual amount | $ 1,000,000 | $ 2,000,000 | ||||||||||||||||