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Loss Per Share - Narrative (Details) - 2021 ATM Offering - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Mar. 31, 2021
Class of Stock [Line Items] |  |
Number of shares issuable (in shares) |  | 37
Number of shares issued (in shares) | 4 |
Sale price (in dollars per share) | $ 57.50 |
Proceeds from the issuance of common stock | $ 250 |

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