Stockholders' Equity - Summary of Common Stock Reserved for Future Issuance (Details) - shares	Jun. 30, 2022	Dec. 31, 2021
Issued and Outstanding:
Stock options (in shares)	3,802,921	3,460,295
Restricted stock units (in shares)	969,643
Common stock, shares reserved for issuance (in shares)	8,778,854
2017 Equity Incentive Plan
Issued and Outstanding:
Shares reserved for future award grants (in shares)	2,498,741
2017 Employee Stock Purchase Plan
Issued and Outstanding:
Shares reserved for future award grants (in shares)	1,507,549

Aggregate number of common shares reserved for future issuance.

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Number of options outstanding, including both vested and non-vested options.

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