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Consolidated Balance Sheets Parenthetical - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Statement of Financial Position [Abstract]    
Trade receivables, allowances $ 591 $ 1,062
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, authorized 50,000,000 50,000,000
Preferred stock, outstanding 0 0
Preferred stock, shares Issued 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, authorized 300,000,000 300,000,000
Common stock, issued 44,352,778 44,075,840
Treasury stock, shares 5,367,000 5,367,000