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Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2020
Jun. 30, 2020
Jun. 30, 2020
Jun. 30, 2020
Apr. 20, 2020
Subsequent Event [Line Items]          
Proceeds from Government Assistance, Payroll Support Program, CARES Act     $ 154.7    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   19,700 19,700 19,700 25,889
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 83.33
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants   $ 1.0      
Subsequent Event          
Subsequent Event [Line Items]          
Proceeds from Government Assistance, Payroll Support Program, CARES Act $ 17.2        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 6,189        
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants $ 0.3        
Unsecured Debt [Member] | Payroll Support Program Loan CARES Act [Member]          
Subsequent Event [Line Items]          
Proceeds From Payroll Support Program, Low-Interest Loan     $ 16.4 $ 21.6  
Unsecured Debt [Member] | Payroll Support Program Loan CARES Act [Member] | Subsequent Event          
Subsequent Event [Line Items]          
Proceeds From Payroll Support Program, Low-Interest Loan $ 5.2