Income Per Common Share (Details) - $ / shares	3 Months Ended						9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2015	Sep. 30, 2014
Quarterly Dividend	$ 0.13	$ 0.13	$ 0.13	$ 0.23	$ 0.13	$ 0.13	$ 0.39	$ 0.49
Date Declared	Sep. 24, 2015	Jun. 25, 2015	Mar. 26, 2015	Sep. 25, 2014	Jun. 26, 2014	Mar. 27, 2014
Date of Record	Oct. 05, 2015	Jul. 06, 2015	Apr. 07, 2015	Oct. 08, 2014	Jul. 07, 2014	Apr. 08, 2014
Date Payable	Oct. 30, 2015	Jul. 31, 2015	Apr. 30, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014
Special Quarterly Dividend [Member]
Quarterly Dividend				$ .10
Date Declared				Sep. 25, 2014
Date of Record				Oct. 08, 2014
Date Payable				Oct. 31, 2014
Third Quarterly Dividend [Member]
Quarterly Dividend				$ .13