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Commitments and Contingencies (Details Textual) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jul. 31, 2019 USD ($) | Feb. 28, 2019 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Apr. 14, 2022 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Other Operating Expenses |  |  | $ 5,160 | $ 3,655 | $ 11,594 | $ 7,651 |
Amount recorded for claims |  |  |  |  |  |  | $ 1,000
Class action lawsuits filed by former employees |  |  |  |  | February and April 2017 |  |
Number of class action lawsuits filed by former employees |  |  |  |  | 2 |  |
First Case [Member] |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Litigation settlement amount |  | $ 500 |  |  |  |  |
Second Case [Member] |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Litigation settlement amount | $ 1,100 |  |  |  |  |  |
Gaming [Member] |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Gaming Expenses |  |  | 84,007 | 78,510 | $ 166,355 | 156,198 |
Participation and Revenue Share Agreements [Member] | Gaming [Member] |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Gaming Expenses |  |  | 39,400 | 37,500 | 77,900 | 74,600 |
Participation and Revenue Share Agreements [Member] | Related Party Transaction, Revenue Share and Participation Agreement [Member] | Gaming [Member] |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Gaming Expenses |  |  | 300 | 200 | 500 | 500 |
Revenue Share Agreements [Member] |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Other Operating Expenses |  |  | $ 400 | $ 300 | $ 800 | $ 700 |

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