Stockholders' Equity and Convertible Preferred Stock - Summary of Common Stock Reserved for Future Issuance (Details)	Dec. 31, 2022 shares
Class of Stock [Line Items]
Common stock reserved for future issuance (in shares)	140,751,000
2013 Equity incentive plan
Class of Stock [Line Items]
Outstanding options and restricted stock unit awards (in shares)	5,123,000
Available for future grants (in shares)	19,648,499
2013 Employee stock purchase plan
Class of Stock [Line Items]
Common stock reserved for future issuance (in shares)	6,055,000
Class B Common Stock
Class of Stock [Line Items]
Common stock reserved for future issuance (in shares)	9,925,000
Preferred stock
Class of Stock [Line Items]
Common stock reserved for future issuance (in shares)	100,000,000