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Stock-Based Compensation (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 12, 2011
Apr. 23, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum number of shares 793,368      
Award issuable period after date of grant 3 years      
Share issuance, restricted sale period 1 year      
Cliff-vesting period 3 years      
Shares available for future grants 335,279      
Unvested stock amortization $ 70,000 $ 57,000    
Option 4/23/2010 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Non-exercisable options granted     44,600 44,600
Unvested stock amortization 17,000 17,000    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 1,000      
Option 12/12/2011 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 32,000      
Incentive Equity And Deferred Compensation Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum number of shares 243,101      
Shares available for future grants 141,629      
Unvested stock amortization 53,000 40,000    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 572,000      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 2 years 6 months 29 days      
Maximum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period 10 years