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Stock-Based Compensation Plan (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options available for grant 2,671,980   2,671,980  
Vesting period of awards     4 years  
Contractual term     10 years  
Aggregate intrinsic value of options exercised       $ 4,900
Aggregate intrinsic value of options outstanding $ 700   $ 700  
Closing price per share $ 8.27   $ 8.27  
Stock-based compensation expense recorded $ 300 $ 400 $ 1,000 1,200
Remaining unamortized stock-based compensation cost 2,300   $ 2,300  
Stock-based compensation cost recognition period     2 years 6 months  
Stock Options [Member] | Tranche One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage     25.00%  
Stock Options [Member] | Tranche Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage     2.083%  
Stock Options [Member] | Directors [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period of awards     1 year  
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period of awards     4 years  
Stock-based compensation expense recorded 100 $ 100 $ 300 $ 300
Remaining unamortized stock-based compensation cost $ 800   $ 800  
Stock-based compensation cost recognition period     2 years 4 months 24 days