Common Stock and Stockholders' Deficit - Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands |
12 Months Ended |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
| Options Outstanding - Number of Options |
|
|
|
| Outstanding, beginning (in shares) |
107,824,289
|
72,820,028
|
|
| Granted (in shares) |
27,779,908
|
49,009,272
|
|
| Exercised (in shares) |
(15,788,241)
|
(352,659)
|
|
| Cancelled/Forfeited (in shares) |
(3,192,495)
|
(13,652,352)
|
|
| Outstanding, ending (in shares) |
116,623,461
|
107,824,289
|
72,820,028
|
| Vested and exercisable (in shares) |
73,712,795
|
71,937,052
|
|
| Options Outstanding - Weighted Average Exercise Price |
|
|
|
| Outstanding, beginning (in USD per share) |
$ 1.25
|
$ 1.09
|
|
| Granted (in USD per share) |
7.85
|
1.43
|
|
| Exercised (in USD per share) |
1.04
|
0.94
|
|
| Cancelled/Forfeited (in USD per share) |
2.51
|
0.96
|
|
| Outstanding, ending (in USD per share) |
2.81
|
1.25
|
$ 1.09
|
| Vested and exercisable (in USD per share) |
$ 1.33
|
$ 1.20
|
|
| Options Outstanding - Additional Disclosures |
|
|
|
| Outstanding, Weighted average remaining contractual term |
7 years 7 months 20 days
|
7 years 3 months 18 days
|
5 years 9 months 18 days
|
| Vested and exercisable, Weighted average remaining contractual term |
6 years 10 months 28 days
|
6 years 3 months 18 days
|
|
| Outstanding, Aggregate intrinsic value |
$ 300,125
|
$ 341,623
|
$ 25,328
|
| Exercised, Aggregate intrinsic value |
54,446
|
1,217
|
|
| Vested and exercisable, Aggregate intrinsic value |
$ 233,440
|
$ 231,621
|
|