v3.21.2
RELATED PARTY TRANSACTIONS - Narrative (Details) - Related parties - Less than
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Supplier Concentration | Cost of Goods Sold          
Related Party Transactions          
Related party purchase and sales composition (percent) 6.00% 6.00% 6.00% 6.00%  
Supplier Concentration | Trade Accounts Payable Benchmark          
Related Party Transactions          
Related party purchase and sales composition (percent)     5.00%   5.00%
Customer Concentration | Net Sales          
Related Party Transactions          
Related party purchase and sales composition (percent) 2.00% 2.00% 2.00% 2.00%  
Customer Concentration | Accounts Receivable          
Related Party Transactions          
Related party purchase and sales composition (percent)     3.00%   3.00%