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Common Stock and Dividends - Additional Information (Details) - $ / shares |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Oct. 28, 2019 | Oct. 01, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Dividends declared (in dollars per share) |  |  | $ 0.12 |  |  | $ 0.11 |  |  | $ 0.36 | $ 0.33
Dividends paid (in dollars per share) |  |  | $ 0.12 | $ 0.12 | $ 0.12 | $ 0.11 | $ 0.11 | $ 0.11 | $ 0.36 | $ 0.33
Subsequent Event |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Dividends declared (in dollars per share) |  | $ 0.12 |  |  |  |  |  |  |  |
Dividends paid (in dollars per share) | $ 0.12 |  |  |  |  |  |  |  |  |

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