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Equity Incentive Awards - Summary of Stock Options Activity (Details)
shares in Thousands
 3 Months Ended
Mar. 31, 2023
$ / shares
shares
Number of Options (in thousands)  
Beginning balance (in shares) | shares 19,320
Options granted (in shares) | shares 4,216
Options exercised (in shares) | shares 0
Options forfeited (in shares) | shares (229)
Ending balance (in shares) | shares 23,307
Exercisable (in shares) | shares 7,812
Weighted- Average Grant- Date Fair Value  
Beginning balance (in USD per share) | $ / shares $ 5.79
Options granted (in USD per share) | $ / shares 0.74
Options exercised (in USD per share) | $ / shares 0
Options forfeited (in USD per share) | $ / shares 6.16
Ending balance (in USD per share) | $ / shares 4.87
Exercisable (in USD per share) | $ / shares $ 9.43