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Income Taxes (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Oct. 20, 2017 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Income Tax Expense (Benefit) |  | $ (8,051) | $ 91 | $ (10,893) | $ 761 |
Amended and Restated Rights Agreement [Member] |  |  |  |  |  |
Maximum Percentage of Common Stock Owned by Shareholder |  | 4.99% |  | 4.99% |  |
Subsequent Event [Member] | Amended and Restated Rights Agreement [Member] |  |  |  |  |  |
Expiration Date of Agreement | Jul. 31, 2018 |  |  |  |  |
Amended Expiration Date of Agreement | Oct. 20, 2017 |  |  |  |  |
ACEP Holdings [Member] | Subsequent Event [Member] |  |  |  |  |  |
Business Acquisition, Value of Shares | 4,046,494 |  |  |  |  |
Estimated Annual Limitation of Net Operating Loss to be Utilized following Closing of Acquisition | $ 10,800 |  |  |  |  |
Domestic Tax Authority [Member] |  |  |  |  |  |
Deferred tax assets, operating loss carryforwards, subject to expiration |  | $ 61,500 |  | $ 61,500 |  |
Operating loss carryforwards expiration year |  |  |  | 2032 |  |
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |  |  |  |  |  |
Income Taxes Audit, Tax Years |  |  |  | 2012 |  |
Latest Tax Year [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |  |  |  |  |  |
Effective Tax Rate, Percent |  |  |  | (231.33%) | 10.70% |
Federal Tax Rate, Percent |  |  |  | 35.00% | 35.00% |
Income Tax Expense (Benefit) |  |  |  | $ (10,900) |  |
Income Taxes Receivable |  | $ 200 |  | 200 |  | $ 2,300
Latest Tax Year [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Reversal of Valuation Allowance of Deferred Tax Assets [Member] |  |  |  |  |  |
Income Tax Expense (Benefit) |  |  |  | (12,600) |  |
Latest Tax Year [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Maximum [Member] |  |  |  |  |  |
Income Tax Expense (Benefit) |  |  |  |  | $ 800 |
Tax Year 2012 [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |  |  |  |  |  |
Collection of tax refund |  |  |  | $ 2,200 |  |

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