Stockholders' Equity - Schedule Of Common Stock Shares Reserved For Future Issuance (Details) - shares	Mar. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Shares available for future issuance	10,488,364	9,098,512
Options issued and outstanding
Class of Stock [Line Items]
Shares available for future issuance	1,221,621	1,503,247
Unvested restricted stock units
Class of Stock [Line Items]
Shares available for future issuance	947,101	886,030
Shares available for grant under future stock plans
Class of Stock [Line Items]
Shares available for future issuance	8,319,642	6,709,235