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Stockholders' Equity - At-the-Market (Details) - At The Market - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Aug. 16, 2019 | Mar. 31, 2022
Class of Stock [Line Items] |  |
Distribution agreement term | 3 years |
At-the-market, maximum potential proceeds | $ 400.0 |
Sales commission of gross sales price | 2.00% |
Number of shares issued (in shares) |  | 0
Value remaining outstanding for future offerings |  | $ 390.0

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