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Stockholders' Equity - Equity Offerings (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2021 | Apr. 01, 2022 | Mar. 31, 2022
Common Stock |  |  |
Equity offerings |  |  |
Issuance of common stock, net of issuance costs, shares | 2,517,603 |  |
2020 Sales Agreement |  |  |
Equity offerings |  |  |
Issuance of common stock, net of issuance costs, shares | 2,517,603 |  |
Price per share | $ 3.92 |  |
Aggregate net proceeds from stock sale | $ 9,600 |  |
Common stock available for sale under agreement |  |  | $ 85,100
Securities sold during period | 0 |  |
2020 Sales Agreement | Subsequent Event |  |  |
Equity offerings |  |  |
Additional amount of common stock |  | $ 0 |
2022 Sales Agreement |  |  |
Equity offerings |  |  |
Common stock available for sale under agreement |  |  | $ 100,000

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