401(k) Plan - Narrative (Details) - USD ($)	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020
Retirement Benefits [Abstract]
Defined contribution plan, maximum annual contributions per employee, percent	100.00%
Defined contribution plan, employer discretionary contribution amount	$ 0	$ 0

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration