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Stockholders' Equity (Details) - USD ($) |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 24, 2020 | Jun. 03, 2020 | Mar. 16, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Feb. 12, 2017
Stockholders' Equity Note [Abstract] |  |  |  |  |  |  |
Stock dividend (in shares) |  | 7,759,280 |  |  |  |  |
Dividend declared (in dollars per share) |  |  | $ 0.50 |  |  |  |
Cash portion of dividend |  | 20.00% |  |  |  |  |
Dividends declared for common stock (in dollars per share) |  | $ 0.10 |  | $ 1.55 | $ 3.00 | $ 2.97 |
Stock portion of dividend |  | 80.00% |  |  |  |  |
Volume weighted average trading price (in dollars per share) | $ 7.2956 |  |  |  |  |  |
Authorized amount for stock repurchase program |  |  |  |  |  |  | $ 500,000,000
Reduction from dividends on basic and diluted earnings per share (in dollars per share) |  |  |  | $ 0.05 |  |  |

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