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Income Taxes (Details) - USD ($)
$ in Millions
1 Months Ended 2 Months Ended 3 Months Ended
Feb. 08, 2019
Mar. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Income Tax Contingency [Line Items]        
Cumulative loss period     3 years  
Valuation allowance   $ 56.7 $ 56.7 $ 118.7
State and Local Jurisdiction        
Income Tax Contingency [Line Items]        
Deferred tax liabilities   $ 0.2 $ 0.2  
Quarterly effective tax rate   0.00%    
Predecessor | State and Local Jurisdiction        
Income Tax Contingency [Line Items]        
Quarterly effective tax rate 0.20%