XML 72 R57.htm IDEA: XBRL DOCUMENT v3.21.1
Property, Plant and Equipment (Tables) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 7.6 $ 5.9
Property, Plant and Equipment, Additions 1.7  
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (2.7) (2.2)
Depreciation (0.5) (0.6)
Property, Plant And Equipment, Net Capital Expenditures 1.2  
Property, Plant and Equipment, Net 4.9 3.7
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 1.2 1.2
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 3.9 2.5
Property, Plant and Equipment, Additions 1.4  
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 1.4 1.1
Property, Plant and Equipment, Additions 0.3  
Other Capitalized Property Plant and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 1.1 $ 1.1