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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Trade accounts receivable allowance $ 9,921 $ 9,217
Common Stock, par value (in USD per share) $ 0.01 $ 0.01
Common Stock, shares authorized (in shares) 14,800,000 14,800,000
Common Stock, shares issued (in shares) 6,038,225 5,992,400
Treasury stock (in shares) 410,877 410,877