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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 1,103	$ 950
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	750,000,000	750,000,000
Common Stock, Shares, Issued	84,655,222	81,651,098
Common stock, shares outstanding (in shares)	79,542,976	81,202,437
Treasury stock, shares (in shares)	5,112,246	448,661

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Amount of allowance for credit loss on accounts receivable, classified as current.

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