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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Net of allowance for doubtful accounts $ 3,203 $ 1,829
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 52,264,083 50,397,922
Common stock, shares outstanding (in shares) 51,777,275 49,911,114
Treasury stock, shares (in shares) 486,808 486,808