CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Allowances	$ 8,282	$ 8,811
Class A Common Stock
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	6,666,667	6,666,667
Common stock, shares issued (in shares)	568,228	530,140
Common stock, shares outstanding (in shares)	568,228	530,140
Class B Common Stock
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	1,333,333	1,333,333
Common stock, shares issued (in shares)	88,644	96,232
Common stock, shares outstanding (in shares)	88,644	96,232