Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Consolidated Balance Sheets
Allowances on accounts receivable	$ 2,429	$ 3,080
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	95,140,000	86,223,000
Common stock, shares outstanding	95,140,000	86,223,000