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Summary of Significant Accounting Policies (Details Textual) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2017 | Jan. 01, 2019
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property and equipment and other long-lived assets, impairment charges |  |  |  |  |  |  | $ 0 | $ 0 | $ 0 |  |
Operating lease ROU assets | $ 203,531,000 |  |  |  |  |  | 203,531,000 |  |  |  |
Operating lease liability | 218,184,000 |  |  |  |  |  | 218,184,000 |  |  |  |
Gaming liabilities | $ 12,353,000 |  |  |  | $ 12,473,000 |  | 12,353,000 | 12,473,000 |  |  |
Amortized to interest expense |  |  |  |  |  |  | 4,500,000 | 5,100,000 |  | $ 1,600,000 |
Gaming Tax and Licenses Expense |  |  |  |  |  |  | 62,100,000 | 55,300,000 |  | $ 41,500,000 |
Anti-dilutive potential common share equivalents | 1,168,000 | 730,000 | 740,000 | 1,048,000 | 1,028,000 | 1,870,000 |  |  |  |  |
General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Advertising Expense |  |  |  |  |  |  | $ 13,100,000 | $ 10,100,000 | $ 3,300,000 |  |
Anti-dilutive potential common share equivalents |  |  |  |  |  |  | 916,907 | 2,014,012 |  |  |
acePLAY Rewards Program [Member] |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Expiration period of participant points after no activity |  |  |  |  |  |  | 13 months |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Non-cancelable operating leases term | 10 years |  |  |  |  |  | 10 years |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Non-cancelable operating leases term | 5 years |  |  |  |  |  | 5 years |  |  |  |
ASU 842 [Member] |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating lease ROU assets | $ 0 |  |  |  |  |  | $ 0 |  |  |  | $ 140,715,000
Operating lease liability | $ 0 |  |  |  |  |  | $ 0 |  |  |  | $ 155,878,000
ASU 842 [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating leases term | 12 months |  |  |  |  |  | 12 months |  |  |  |

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