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CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Statement Of Financial Position [Abstract]    
Allowances on trade accounts receivable $ 18,496 $ 13,492
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 200,000,000 200,000,000
Common stock, shares issued 116,545,000 116,052,000
Common stock, shares outstanding 116,545,000 116,052,000