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Trade Accounts Receivable, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Receivables [Abstract]      
Trade accounts receivable $ 174,853 $ 144,729 $ 176,896
Allowance for doubtful accounts (2,761) (1,935) (1,195)
Allowance for sales discounts and returns (3,356) (3,430) (2,561)
Trade accounts receivable, net $ 168,736 $ 139,364 $ 173,140