Stockholders' Equity (Deficit) and Equity Incentive Plans - Schedule of Reserved Shares of Common Stock (Details) - shares shares in Thousands	Jun. 30, 2022	Dec. 31, 2021
Class Of Stock [Line Items]
Total reserved shares	48,772,842	44,599,148
Employee Stock Option | Option and Grant Plan
Class Of Stock [Line Items]
Total reserved shares	21,090,767	19,005,008
Equity Plan Stock Options Outstanding
Class Of Stock [Line Items]
Total reserved shares	17,620,837	21,214,155
RSUs Outstanding
Class Of Stock [Line Items]
Total reserved shares	6,475,393	1,716,614
2021 Employee Stock Purchase Plan
Class Of Stock [Line Items]
Total reserved shares	3,585,845	2,663,371