Stockholders' Equity - Summary of Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Sep. 15, 2016 |
Jun. 15, 2016 |
Mar. 15, 2016 |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Equity [Abstract] | |||||||
| Dividend per share (in USD per share) | $ 0.175 | $ 0.175 | $ 0.175 | $ 0.175 | $ 0.17 | $ 0.525 | $ 0.51 |
| Total dividends | $ 84,606 | $ 83,939 | $ 77,596 | ||||