Subsequent Events (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended			9 Months Ended		1 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Oct. 31, 2014 Subsequent Event
Subsequent Events
Cash dividends declared per common share (in dollars per share)	$ 0.14	$ 0.125	$ 0.125	$ 0.405	$ 0.250	$ 0.14
Cash dividend declared		$ 6,087		$ 19,832	$ 12,083	$ 6,900
Dividends Payable, Date to be Paid						Jan. 29, 2015
Dividends Payable, Date of Record						Jan. 08, 2015