XML 48 R37.htm IDEA: XBRL DOCUMENT v3.21.2
Summary of Significant Accounting Policies - Property, Plant and Equipment (Details)
9 Months Ended
Sep. 30, 2021
Plant and machinery | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life (in years) 3 years
Plant and machinery | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life (in years) 10 years
Building and Building Improvements | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life (in years) 15 years
Building and Building Improvements | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life (in years) 40 years