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BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment Useful Lives (Details)
12 Months Ended
Dec. 31, 2020
Minimum | Building  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 15 years
Minimum | Equipment  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 2 years
Maximum | Building  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 25 years
Maximum | Equipment  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 28 years