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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property Plant And Equipment) (Details)
12 Months Ended
Dec. 31, 2020
Building [Member] | Minimum  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 5 years
Building [Member] | Maximum  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 40 years
Equipment [Member] | Minimum  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Equipment [Member] | Maximum  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 15 years