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Stock-Based Compensation - Summary of Stock Option Activity (Details)
shares in Thousands
6 Months Ended
Jun. 30, 2022
$ / shares
shares
Number of Shares Underlying Outstanding Options  
Outstanding at Beginning balance | shares 416
Options granted | shares 157
Options cancelled | shares (86)
Outstanding at Ending balance | shares 487
Exercisable at End of Period | shares 275
Weighted-Average Exercise Price  
Outstanding at Beginning balance | $ / shares $ 123.57
Options granted | $ / shares 8.27
Options cancelled | $ / shares 98.78
Outstanding at Ending balance | $ / shares 90.74
Exercisable at End of Period | $ / shares $ 132.11
Weighted Average Remaining Contractual Term (Years)  
Outstanding at Ending balance 7 years 3 days
Exercisable at End of Period 5 years 4 months 6 days