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Income Taxes - Schedule of Deferred Income Taxes (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]    
Net deferred tax asset $ 1,428 $ 1,765
Gross deferred tax liability 1,785 3,438
Net deferred tax liability $ 357 $ 1,673