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Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Deferred Tax Assets, Valuation Allowance $ 42,608 $ 23,348
Interest or penalties 0  
Domestic Tax Authority [Member]    
Operating Loss Carryforwards 87,100  
State and Local Jurisdiction [Member]    
Operating Loss Carryforwards $ 141,100