v3.8.0.1
Income Taxes - Carryforwards (Details)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
USD ($)
item
Dec. 31, 2016
Dec. 31, 2015
Increase in valuation allowance   $ 8.8    
Income tax returns currently under examination | item   0    
Reduced U.S. tax rate   35.00% 35.00% 35.00%
Transition tax   $ 0.0    
Forecast        
Reduced U.S. tax rate 21.00%      
U.S.        
Operating Loss Carryforwards   253.2    
Foreign        
Operating Loss Carryforwards   $ 6.7