| **Investment In and Advances to Unconsolidated Affiliates - Additional Information (Details) - USD ($) $ in Thousands** |           | 12 Months Ended           |           |
|-------------------------------------------------------------------------------------------------------------------------|-----------|---------------------------|-----------|
||
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Distributions from unconsolidated affiliates                                                                            |      | $ 109,400                 | $ 30,700  | $ 38,100 |   |
| Deferred tax liability                                                                                                  |      | $ 252,900                 | $ 213,900 |   |   |
| Midwest Gaming Holdings, LLC                                                                                            |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Equity method investment, ownership percentage                                                                          | 42.00%    | 61.30%                    | 61.30%    |   |   |
| Aggregated cash consideration paid at closing of the Sale Transaction                                                   | $ 406,600 |                      |      |   |   |
| Equity method investment, amount                                                                                        |      | $ 554,800                 | $ 519,000 |   |   |
| Distributions from unconsolidated affiliates                                                                            |      | $ 67,200                  | 10,700    | 14,200 |   |
| Deferred tax liability                                                                                                  | 103,200   |                      |      |   |   |
| Carrying value of equity method investment                                                                              | 835,000   |                      | $ 832,300 |   |   |
| Midwest Gaming Holdings, LLC | Equity Method Investment, Nonconsolidated Investee or Group of Investees                 |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Goodwill and indefinite-lived intangible assets                                                                         | 853,700   |                      |      |   |   |
| Midwest Gaming Holdings, LLC | Land                                                                                     |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Property and equipment, net                                                                                             | (13,700)  |                      |      |   |   |
| Midwest Gaming Holdings, LLC | Grandstands and buildings                                                                |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Property and equipment, net                                                                                             | (9,500)   |                      |      |   |   |
| Property, plant, and equipment, useful life                                                                             |      | 35 years 3 months 18 days |      |   |   |
| Midwest Gaming Holdings, LLC | Personal property                                                                        |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Carrying value of equity method investment                                                                              |      | $ 4,500                   |      |   |   |
| Property, plant, and equipment, useful life                                                                             |      | 3 years 8 months 12 days  |      |   |   |
| Miami Valley Gaming LLC                                                                                                 |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Equity method investment, ownership percentage                                                                          |      | 50.00%                    | 50.00%    |   |   |
| Equity method investment, amount                                                                                        |      | $ 108,700                 | $ 110,700 |   |   |
| Distributions from unconsolidated affiliates                                                                            |      | $ 42,000                  | $ 20,000  | $ 23,800 |   |
| Clairvest Group Inc.                                                                                                    |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Transaction costs and working capital adjustments                                                                       | 3,500     |                      |      |   |   |
| Rivers Des Plaines                                                                                                      |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Equity method investment, ownership percentage                                                                          |      | 61.30%                    |      |   |   |
| Midwest Gaming Holdings, LLC                                                                                            |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Proceeds from new credit facilities                                                                                     | $ 300,000 |                      |      |   |   |
| High Plaines | Midwest Gaming Holdings, LLC                                                                             |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Equity method investment, ownership percentage                                                                          |      |                      |      |   | 36.00% |
| Midwest Gaming and Casino Investors | Midwest Gaming Holdings, LLC                                                      |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Equity method investment, ownership percentage                                                                          |      |                      |      |   | 2.70% |
| Delaware North Companies Gaming & Entertainment Inc. | Miami Valley Gaming LLC                                      |      |                      |      |   |   |
| **Schedule of Equity Method Investments [Line Items]**                                                                  |      |                      |      |   |   |
| Equity method investment, ownership percentage                                                                          |      | 50.00%                    |      |   |   |

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The amount of property, plant, and equipment assets reported by an equity method investment of the entity.
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Payments To Acquire Equity Method Investments, Transaction Costs
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| - Definition
Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.
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| - Definition
Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.
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| - Definition
Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.
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| - Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.
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| - Definition
This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.
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| - Definition
Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.
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| - Definition
The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.
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| - Definition
Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.
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| - Definition
Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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