Stock Compensation - Restricted Stock and Performance Share Grants - Performance Share Grants (Details) (Performance share grants)	9 Months Ended
	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Below threshold performance	0
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Threshold and target performance	79,961
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Threshold and target performance	152,418
Maximum performance	250,517