v3.19.3.a.u2
Summary of Significant Accounting Policies - Property and Equipment (Details)
12 Months Ended
Dec. 31, 2019
Buildings | Minimum  
PROPERTY AND EQUIPMENT  
Estimated Useful Lives 10 years
Buildings | Maximum  
PROPERTY AND EQUIPMENT  
Estimated Useful Lives 50 years
Equipment | Minimum  
PROPERTY AND EQUIPMENT  
Estimated Useful Lives 3 years
Equipment | Maximum  
PROPERTY AND EQUIPMENT  
Estimated Useful Lives 20 years