XML 53 R39.htm IDEA: XBRL DOCUMENT v3.20.2
Acquisition - Property and Equipment (Details)
6 Months Ended
Jun. 30, 2020
Minimum | Buildings  
Business Acquisition [Line Items]  
Estimated useful life 20 years
Minimum | Machinery and equipment  
Business Acquisition [Line Items]  
Estimated useful life 3 years
Minimum | Light vehicles  
Business Acquisition [Line Items]  
Estimated useful life 3 years
Maximum | Buildings  
Business Acquisition [Line Items]  
Estimated useful life 30 years
Maximum | Machinery and equipment  
Business Acquisition [Line Items]  
Estimated useful life 15 years
Maximum | Light vehicles  
Business Acquisition [Line Items]  
Estimated useful life 7 years