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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Jul. 01, 2020 | May 21, 2020 USD ($)
Number of Gaming Entertainment Properties |  | 29 |  |  | 29 |  | 29 |
Asset Impairment Charges, Total |  | $ 0 |  | $ 0 | $ 171,100 | $ 0 |  |
Casino [Member] | Gaming [Member] |  |  |  |  |  |  |  |
Taxes, Other |  | $ 114,800 |  | $ 136,200 | $ 259,700 | $ 411,000 |  |
Senior Notes [Member] | Senior Note 8.625% Due 2025 [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  | $ 600,000
Debt Instrument, Interest Rate, Stated Percentage |  | 8.625% |  |  | 8.625% |  |  | 8.625%
Line of Credit [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Increase in Available Borrowing Capacity | $ 88,200 |  |  |  |  |  |  |
COVID 19 [Member] |  |  |  |  |  |  |  |
Number of Re-opened Gaming Entertainment Properties |  |  |  |  |  |  | 26 |
COVID-19 Pandemic [Member] |  |  |  |  |  |  |  |
Asset Impairment Charges, Total |  |  | $ 171,100 |  | $ 171,100 |  |  |

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