Stockholders' Equity - Schedule Of Common Stock Shares Reserved For Future Issuance (Details) - shares	Sep. 30, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Shares available for future issuance	9,916,945	9,098,512
Options issued and outstanding
Class of Stock [Line Items]
Shares available for future issuance	747,874	1,503,247
Unvested restricted stock units
Class of Stock [Line Items]
Shares available for future issuance	1,123,299	886,030
Shares available for grant under future stock plans
Class of Stock [Line Items]
Shares available for future issuance	8,045,772	6,709,235