CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 1,648	$ 2,215
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	490,000,000,000	490,000,000,000
Common stock, shares issued (in shares)	121,775,309,000	113,604,398
Common stock, shares outstanding (in shares)	121,775,309,000	113,604,398