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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