Stock-based Compensation Plan (Grants to Certain Members of Management) (Details)	Sep. 30, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total options granted	261,848	249,019
Total options exercisable	97,777
Series 1 Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total options granted	207,266
Series 2 Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total options granted	51,817
Series 3 Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total options granted	2,765