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Fair Value Measurements - Additional Information (Details) | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2013 | Dec. 31, 2018 payment | Dec. 31, 2017 payment | Jan. 19, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Interest rate |  | 5.625% |  |
Plainridge Park Casino |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Period of actual earnings used to calculate contingent consideration | 10 years |  |  |
Number of remaining annual payments |  | 7 | 8 |
Senior notes | 5.625% Notes due 2027 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Interest rate |  | 5.625% |  | 5.625%
JIVDC | Discounted cash flow | Discount rate |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Loan receivable, measurement input |  |  | 0.14 |

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