Earnings Per Share - Additional Information (Details) - $ / shares	Oct. 05, 2015	Jul. 09, 2015	Feb. 24, 2015
Earnings Per Share Disclosure [Line Items]
Increase in dividend rate, percentage			5.00%
Cash dividend, amount per share (in dollars per share)		$ 0.29	$ 0.29
Subsequent Event
Earnings Per Share Disclosure [Line Items]
Cash dividend, amount per share (in dollars per share)	$ 0.290