Stock Compensation - Restricted Stock and Performance Share Grants - Summary of Stock Grant Activity (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Performance share grants
Summary of stock grant activity:
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	152,418	177,044
Time Based Grants
Summary of stock grant activity:
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	84,309	88,657
Stock Grants
Summary of stock grant activity:
Stock Grants Outstanding Beginning of the Year at Target Achievement	265,701	688,041
New Stock Grants/Additional shares due to maximum achievement	138,485	192,348
Vested Grants	(39,194)	(361,886)
Expired/Forfeited Grants	(128,265)	(252,802)
Stock Grants Outstanding September 30, 2014 at Target Achievement	236,727	265,701