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Stock-Based Compensation Plans (Allocation of Recognized Period Costs) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Allocated Share-based Compensation Expense $ 408 $ 216 $ 99
Employee Stock Option and Restricted Stock Awards [Member]
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Allocated Share-based Compensation Expense 265 216 99
Performance Shares [Member]
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Allocated Share-based Compensation Expense 63    
Restricted Stock [Member]
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Allocated Share-based Compensation Expense $ 80