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Net Income (Loss) per Share - Narrative (Details) shares in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 USD ($) vote shares | Mar. 31, 2021 USD ($) shares
Class of Stock [Line Items] |  |
Preferred stock dividends declared | $ | $ 0 | $ 0
Preferred stock dividends accumulated | $ | $ 0 | $ 0
Restricted stock awards |  |
Class of Stock [Line Items] |  |
Shares subject to performance conditions (in shares) |  | 0.5
Shares subject to performance conditions (in dollars) | 0.5 |
Common class A |  |
Class of Stock [Line Items] |  |
Votes per common share | vote | 1 |
Common class A | Restricted stock units |  |
Class of Stock [Line Items] |  |
Shares subject to performance conditions (in shares) |  | 12.0
Shares subject to performance conditions (in dollars) | 9.6 |
Common class B |  |
Class of Stock [Line Items] |  |
Votes per common share | vote | 20 |

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