Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Convertible preferred stock, shares authorized (in shares)	361,744	349,522
Convertible referred stock, shares outstanding (in shares)	349,124	337,235
Convertible preferred stock, aggregate liquidation preference	$ 870,654	$ 335,654
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	5,000,000	740,000
Common stock, shares issued (in shares)	585,878	201,327
Common stock, shares outstanding (in shares)	585,878	201,327
Convertible Preferred Stock outstanding
Convertible preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Convertible preferred stock, shares authorized (in shares)	0	349,522
Convertible preferred stock, shares issued (in shares)	0	337,235
Convertible referred stock, shares outstanding (in shares)	0	337,235
Convertible preferred stock, aggregate liquidation preference	$ 0	$ 335,654
Common Class A
Common stock, shares authorized (in shares)	4,935,000	675,000
Common stock, shares issued (in shares)	534,541	144,039
Common stock, shares outstanding (in shares)	534,541	144,039
Common Class B
Common stock, shares authorized (in shares)	65,000	65,000
Common stock, shares issued (in shares)	51,337	57,287
Common stock, shares outstanding (in shares)	51,337	57,287