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Acquisitions And New Ventures (Details) (USD $) | 12 Months Ended | 6 Months Ended |  | 0 Months Ended | 12 Months Ended | 1 Months Ended |  |  |  |  |  | 6 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 6 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 6 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 6 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 6 Months Ended |  | 0 Months Ended | 6 Months Ended |  |  |  |  | 0 Months Ended | 12 Months Ended |  |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Oxford Acquisition [Member] | Jul. 17, 2013 Oxford Acquisition [Member] sqft | Oct. 23, 2012 Riverwalk Acquisition [Member] sqft acre hotel_rooms | Dec. 31, 2013 Riverwalk Acquisition [Member] | Dec. 31, 2012 Riverwalk Acquisition [Member] | Feb. 29, 2012 Bluff Media Acquisition | Dec. 31, 2012 Bluff Media Acquisition | Dec. 31, 2013 Gaming Operations | Dec. 31, 2012 Gaming Operations | Dec. 31, 2011 Gaming Operations | Oct. 23, 2012 Gaming Operations Riverwalk Acquisition [Member] | Dec. 31, 2013 Furniture and fixtures Oxford Acquisition [Member] | Dec. 31, 2013 Buildings Oxford Acquisition [Member] | Dec. 31, 2013 Building Improvements [Member] Oxford Acquisition [Member] | Dec. 31, 2013 Minimum | Oct. 23, 2012 Minimum Computer Equipment and Software [Member] Riverwalk Acquisition [Member] | Dec. 31, 2013 Minimum Equipment | Dec. 31, 2013 Minimum Equipment Oxford Acquisition [Member] | Oct. 23, 2012 Minimum Equipment Riverwalk Acquisition [Member] | Dec. 31, 2013 Minimum Furniture and fixtures | Oct. 23, 2012 Minimum Furniture and fixtures Riverwalk Acquisition [Member] | Dec. 31, 2013 Minimum Buildings | Oct. 23, 2012 Minimum Buildings Riverwalk Acquisition [Member] | Oct. 23, 2012 Minimum Building Improvements [Member] Riverwalk Acquisition [Member] | Dec. 31, 2013 Minimum Computer Equipment [Member] Oxford Acquisition [Member] | Dec. 31, 2013 Maximum | Oct. 23, 2012 Maximum Computer Equipment and Software [Member] Riverwalk Acquisition [Member] | Dec. 31, 2013 Maximum Equipment | Dec. 31, 2013 Maximum Equipment Oxford Acquisition [Member] | Oct. 23, 2012 Maximum Equipment Riverwalk Acquisition [Member] | Dec. 31, 2013 Maximum Furniture and fixtures | Oct. 23, 2012 Maximum Furniture and fixtures Riverwalk Acquisition [Member] | Dec. 31, 2013 Maximum Buildings | Oct. 23, 2012 Maximum Building Improvements [Member] Riverwalk Acquisition [Member] | Dec. 31, 2013 Maximum Computer Equipment [Member] Oxford Acquisition [Member] | Dec. 31, 2013 Customer relationships Oxford Acquisition [Member] | Jul. 17, 2013 Customer relationships Oxford Acquisition [Member] | Oct. 23, 2012 Customer relationships Riverwalk Acquisition [Member] | Dec. 31, 2013 Other Intangible Assets [Member] Oxford Acquisition [Member] | Jul. 17, 2013 Other Intangible Assets [Member] Oxford Acquisition [Member] | Jul. 17, 2013 Slots gaming rights Oxford Acquisition [Member] | Oct. 23, 2012 Slots gaming rights Riverwalk Acquisition [Member] | Jul. 17, 2013 Trade Names [Member] Oxford Acquisition [Member] | Oct. 23, 2012 Trade Names [Member] Riverwalk Acquisition [Member] | Dec. 21, 2012 Miami Valley Gaming and Racing [Member] | Dec. 31, 2013 Miami Valley Gaming and Racing [Member] sqft mi | Dec. 31, 2012 Miami Valley Gaming and Racing [Member] mi | Dec. 31, 2013 Miami Valley Gaming and Racing [Member] Maximum terminal | Dec. 31, 2013 License Fee Payable [Member] Miami Valley Gaming and Racing [Member] | Dec. 21, 2012 Funded at Closing [Member] Miami Valley Gaming and Racing [Member] | Dec. 21, 2012 Notes Payable, Other Payables [Member] Miami Valley Gaming and Racing [Member]
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents |  |  |  |  | $ 13,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash Acquired from Acquisition |  |  |  |  |  | 9,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other intangible assets |  |  |  |  | 64,693,000 | 43,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 | 10,300,000 |  | 2,093,000 | 58,500,000 | 25,300,000 | 2,400,000 | 7,500,000 |  |  |  |  |  |  |
Goodwill |  |  |  | 50,200,000 | 50,202,000 | 32,768,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  | 6 years |  | 6 years | 20 years |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | 300,616,000 | 250,414,000 | 213,712,000 |  |  |  |  | 32,800,000 |  | 3,900,000 | 117,659,000 | 67,457,000 | 34,689,000 | 32,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 years | 40 years | 14 years |  | 3 years | 2 years | 2 years | 4 years | 2 years | 4 years | 10 years | 40 years | 8 years | 2 years |  | 5 years | 10 years | 9 years | 6 years | 10 years | 6 years | 40 years | 22 years | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of the entity to be acquired |  |  |  |  | 168,600,000 | 145,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Square footage of Casino |  |  |  |  | 25,000 | 25,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 186,000 |  |  |  |  |
Number of Lottery Terminals |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,600 |  |  |
Number of Hotel rooms |  |  |  |  |  | 80 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Square footage of Event Center |  |  |  |  |  | 5,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acres |  |  |  |  |  | 22 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments, Facility Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 212,000,000 |  |  | 50,000,000 |  |
Equity Method Investment, Ownership Percentage | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Potential cash payment to sellers |  |  |  |  |  |  |  |  | 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,000,000 |  |  |  |  | 10,000,000 | 50,000,000
Note Payable, Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 years |  |  |  |  |  |
Equity Method Investments, Contingent Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  |  |  |  |  |
Initial Capital Contributions To Joint Ventures | 70,500,000 | 19,850,000 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 70,500,000 | 19,900,000 |  |  |  |
Anticipated Payments to Acquire Interest in Joint Venture | 24,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | 154,872,000 | 142,915,000 | 0 |  |  |  |  |  | 6,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Contingent Consideration, Potential Cash Payment |  |  |  |  |  |  |  |  | 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Consideration Term |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  |  |  |  |  |  | 53,600,000 | 10,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  |  |  |  |  |  | 9,800,000 | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Race Track, Length |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.625 | 0.625 |  |  |  |
Revenues | 0 | 0 | 0 | 34,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest | $ 85,506,000 | $ 91,227,000 | $ 95,084,000 | $ 6,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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