Stock Plans (Reservation of Shares for Issuance) (Details)	Dec. 31, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total reservation of shares under stock compensation plans	2,507,926
2013 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total reservation of shares under stock compensation plans	2,200,800
2004 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total reservation of shares under stock compensation plans	307,126