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Income Taxes (Details Textual) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jun. 28, 2015
Income Tax Disclosure [Line Items] |  |  |  |  |
Income tax expense |  | $ 9,639,000 | $ (7,921,000) | $ (4,325,000) |
General business credit carryforward |  | 2,447,000 | 1,126,000 |  |
Deferred tax assets |  | $ 13,124,000 | $ 23,280,000 |  |
Tax cuts and jobs act, accounting complete |  | true |  |  |
Statutory federal tax rate |  | 21.00% | 35.00% | 35.00% |
Tax cuts and jobs act, change in tax rate, income tax expense |  | $ 500,000 | $ 4,300,000 |  |
Uncertain tax positions |  | $ 0 |  |  |
ACEP Holdings [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Share issuance related to business combination (in shares) |  | 4,046,494 |  |  |
General Business Credit Carryforward [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Tax credit carryforward expiration year |  | 2037 |  |  |
Tax Year 2010 [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Income tax examination adjustment |  |  |  |  | $ 0
Domestic Tax Authority [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Deferred tax assets, operating loss carryforwards, subject to expiration |  | $ 86,700,000 |  |  |
Operating loss carryforwards expiration year |  | 2033 |  |  |
Income tax receivable |  | $ 700,000 |  |  |
Deferred tax assets |  | 700,000 |  |  |
Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | Latest Tax Year [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Income Taxes Audit, Tax Years | 2013 |  |  |  |
Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | Earliest Tax Year [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Income Taxes Audit, Tax Years | 2009 |  |  |  |
Release of Valuation Allowance of Deferred Tax Assets [Member] | Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member] | Latest Tax Year [Member] |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Income tax expense |  | $ 16,300,000 |  |  |

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