| **Investment in and Advances to Unconsolidated Affiliates - Additional Information (Details) - USD ($) $ in Millions** |         |         | 3 Months Ended |
|------------------------------------------------------------------------------------------------------------------------|---------|---------|----------------|
||
| **Investments in and Advances to Affiliates [Line Items]**                                                             |    |    |           |   |
| Proceeds from borrowings under long-term debt obligations                                                              |    |    | $ 719.8        | $ 1,231.9 |
| Midwest Gaming Holdings, LLC                                                                                           |    |    |           |   |
| **Investments in and Advances to Affiliates [Line Items]**                                                             |    |    |           |   |
| Equity method investment, ownership percentage                                                                         | 61.30%  | 42.00%  | 61.30%         |   |
| Aggregated cash consideration paid at closing of the Sale Transaction                                                  |    | $ 406.6 |           |   |
| Deferred tax liability                                                                                                 |    | 103.2   | $ 103.2        |   |
| Equity method investment, difference between carrying amount and underlying equity                                     |    |    | $ 834.0        |   |
| Clairvest Group Inc.                                                                                                   |    |    |           |   |
| **Investments in and Advances to Affiliates [Line Items]**                                                             |    |    |           |   |
| Transaction costs                                                                                                      |    | 3.5     |           |   |
| Midwest Gaming Holdings, LLC                                                                                           |    |    |           |   |
| **Investments in and Advances to Affiliates [Line Items]**                                                             |    |    |           |   |
| Proceeds from borrowings under long-term debt obligations                                                              | $ 300.0 | $ 300.0 |           |   |
| High Plaines | Midwest Gaming Holdings, LLC                                                                            |    |    |           |   |
| **Investments in and Advances to Affiliates [Line Items]**                                                             |    |    |           |   |
| Equity method investment, ownership percentage                                                                         | 36.00%  |    | 36.00%         |   |
| Casino Investors | Midwest Gaming Holdings, LLC                                                                        |    |    |           |   |
| **Investments in and Advances to Affiliates [Line Items]**                                                             |    |    |           |   |
| Equity method investment, ownership percentage                                                                         | 2.70%   |    | 2.70%          |   |

| X                                                                                                                                                                                                                                                                                                                |
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| - Definition
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
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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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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| - 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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