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Net Income Per Share - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | May 01, 2013 | Apr. 30, 2013
Schedule Of Earnings Per Share [Line Items] |  |  |  |  |  |
Common stock, shares outstanding | 46,292,043 |  | 46,292,043 |  |  |
Par value of common stock issued | $ 0.01 |  | $ 0.01 |  |  | $ 0.01
Exercise price of common stock |  |  |  |  | $ 16.67 |
Warrants outstanding | 4,877,617 |  | 4,877,617 |  |  |
Earnings Per Share, Basic | $ 0.35 | $ (2.33) | $ (0.19) | $ (9.16) |  |
Earnings Per Share, Diluted | $ 0.35 | $ (2.33) | $ (0.19) | $ (9.16) |  |
Noncontrolling Interest, Change in Redemption Value | $ 0 |  | $ (14) |  |  |
Net Income (Loss) Available to Common Stockholders, Basic | $ 17 | $ (108) | $ (9) | $ (423) |  |
Common Stock [Member] |  |  |  |  |  |
Schedule Of Earnings Per Share [Line Items] |  |  |  |  |  |
Number of new common stock issued |  |  | 482,904 |  |  |

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