Subsequent Events - Additional Information (Details) - Subsequent Event - $ / shares |
Nov. 06, 2015 |
Oct. 15, 2015 |
|---|---|---|
| Subsequent Event [Line Items] | ||
| Dividend payable to shareholders | $ 0.60 | |
| Cash dividend declared per share | $ 0.60 | |
| Dividend declared date | Nov. 06, 2015 | |
| Cash dividend payable date | Jan. 15, 2016 | |
| Dividend record date | Dec. 31, 2015 |