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Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($)
$ in Thousands
8 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Current: Federal  
Current: State  
Current: Income tax expense  
Deferred: Federal   1,900 1,308
Deferred: State   679 468
Change in valuation allowance   (2,579) (1,776)
Deferred: Income tax expense  
Total provision