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Description of Business - Additional Information (Details) slot_machine in Thousands, $ in Millions |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 09, 2019 USD ($) a | Mar. 08, 2019 USD ($) | Mar. 06, 2019 USD ($) | Mar. 05, 2019 USD ($) | Jan. 25, 2019 | Jan. 11, 2019 USD ($) | Dec. 31, 2019 USD ($) numberOfTableGames state segment | Dec. 31, 2019 USD ($) segment numberOfTableGames slot_machine state | Mar. 04, 2019 USD ($) | Dec. 31, 2018 USD ($)
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Number of slot machines | slot_machine |  |  |  |  |  |  |  | 11 |  |
Number of table games | numberOfTableGames |  |  |  |  |  |  | 200 | 200 |  |
Number of states in which entity operates | state |  |  |  |  |  |  | 8 | 8 |  |
Number of reportable segments | segment |  |  |  |  |  |  | 3 | 3 |  |
Deferred tax liability |  |  |  |  |  |  | $ 212.8 | $ 212.8 |  | $ 78.2
Area of land sold | a | 197 |  |  |  |  |  |  |  |  |
Stock split, conversion ratio |  |  |  |  | 3 |  |  |  |  |
Midwest Gaming Holdings, LLC |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from new credit facilities |  |  | $ 300.0 | $ 300.0 |  |  |  |  |  |
Presque Isle Downs & Casino And Lady Luck Casino |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to acquire business |  |  |  |  |  | $ 178.9 |  |  |  |
Presque Isle |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to acquire business |  |  |  |  |  | 178.9 |  |  |  |
Working capital and other purchase price adjustments |  |  |  |  |  | $ 1.6 |  |  |  |
Lady Luck Nemacolin |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to acquire business |  | $ 0.1 |  |  |  |  |  |  |  |
Turfway Park |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to acquire business | $ 36.0 |  |  |  |  |  |  |  |  |
Working capital and other purchase price adjustments | 0.9 |  |  |  |  |  |  |  |  |
Total consideration | 46.0 |  |  |  |  |  |  |  |  |
Purchase and sale agreement rights | 10.0 |  |  |  |  |  |  |  |  |
Turfway Park | Maximum | Scenario, Plan |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Total consideration | $ 150.0 |  |  |  |  |  |  |  |  |
Midwest Gaming Holdings, LLC |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  | 42.00% |  |  | 61.30% | 61.30% |  |
Aggregated cash consideration paid at closing of the Sale Transaction |  |  |  | $ 406.6 |  |  |  |  |  |
Deferred tax liability |  |  |  | 103.2 |  |  |  |  | $ 103.2 |
Midwest Gaming Holdings, LLC | High Plaines |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  | 36.00% | 36.00% |  |
Midwest Gaming Holdings, LLC | Midwest Gaming and Casino Investors |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  | 2.70% | 2.70% |  |
Miami Valley Gaming LLC |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  | 50.00% | 50.00% |  |
Clairvest Group Inc. |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Transaction costs and working capital adjustments |  |  |  | $ 3.5 |  |  |  |  |  |

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