CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 2,303	$ 1,103
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 (in shares)	84,983,120	84,655,222
Common stock, shares outstanding (in shares)	79,870,874	79,542,976
Treasury stock, at cost (in shares)	5,112,246	5,112,246