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Income Taxes - Net Operating Loss Carry Forward (Details) - USD ($)
$ in Millions
 12 Months Ended
Apr. 21, 2020
Dec. 31, 2019
Operating Loss Carryforwards [Line Items]    
Market capitalization used in net operating loss analysis   $ 124.5
Annual limitation on usage of net operating losses   3.0
Sale of NOLs, value $ 11.5  
Proceeds from sale of NOLs $ 10.9  
Federal    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards   $ 246.0