Equity Incentive Plans and Stock-Based Compensation - Stock-Based Compensation Narrative (Details) $ in Millions	6 Months Ended
Jun. 30, 2021 USD ($)
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 0.1
Unrecognized compensation expense, weighted average period	9 months 14 days
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, weighted average period	2 years 8 months 26 days
Unrecognized compensation cost	$ 30.4

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
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