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Shared-Based Payments (Summary of Retired Plans) (Details)
Dec. 31, 2016
shares
Omnibus Stock Plan [Member]  
Schedule of Share-Based Compensation Retired Plans [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 2,664,594
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 726,394
Stock Compensation Plan For Non Employee Directors [Member]  
Schedule of Share-Based Compensation Retired Plans [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 67,242
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 67,242
Stock Option Share Based Compensation [Member] | Omnibus Stock Plan [Member]  
Schedule of Share-Based Compensation Retired Plans [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 355,391
Restricted Stock Units (RSUs) [Member] | Omnibus Stock Plan [Member]  
Schedule of Share-Based Compensation Retired Plans [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 371,003