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Commitments and Contingencies (Details Textual) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |
Other Operating Expenses | $ 3,655 | $ 3,518 | $ 7,651 | $ 6,794
Capital lease financing amount to be financed | 8,500 |  | $ 8,500 |
Capital lease financing agreement, payment period |  |  | 36 months |
Amount recorded for claims | 1,500 |  | $ 1,500 |
Class action lawsuits filed by former employees |  |  | February and April 2017 |
Number of class action lawsuits filed by former employees |  |  | 2 |
Gaming [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Gaming Expenses | 78,510 | 61,166 | $ 156,198 | 120,163
Participation and Revenue Share Agreements [Member] | Gaming [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Gaming Expenses | 37,500 | 36,700 | 74,600 | 71,500
Participation and Revenue Share Agreements [Member] | Related Party Transaction, Revenue Share and Participation Agreement [Member] | Gaming [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Gaming Expenses | 200 | 300 | 500 | 600
Revenue Share Agreements [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Other Operating Expenses | $ 300 | $ 400 | $ 700 | $ 800

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