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Earnings Per Share - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Mar. 31, 2017 | Mar. 31, 2017 | Mar. 31, 2016 | Feb. 23, 2017
Earnings Per Share Disclosure [Line Items] |  |  |  |
Increase in dividend rate, percentage |  |  |  | 5.00%
Cash dividend, amount per share (in dollars per share) |  |  |  | $ 0.32
Payment for repurchase of common stock |  | $ 250,000 | $ 0 |
Number of shares authorized to be repurchased (in shares) | 15,000,000 | 15,000,000 |  |
Shares available for repurchase (in shares) | 13,051,822 | 13,051,822 |  |
Accelerated Share Repurchase Agreement |  |  |  |
Earnings Per Share Disclosure [Line Items] |  |  |  |
Payment for repurchase of common stock | $ 250,000 |  |  |
Initial Delivery | Accelerated Share Repurchase Agreement |  |  |  |
Earnings Per Share Disclosure [Line Items] |  |  |  |
Repurchase of common stock shares (in shares) | 1,948,178 |  |  |
Fair Market Value | Accelerated Share Repurchase Agreement |  |  |  |
Earnings Per Share Disclosure [Line Items] |  |  |  |
Shares repurchased | $ 200,000 |  |  |

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