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Stock-Based Compensation Plans (Schedule of Stock Options Activity) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Number of shares      
Outstanding, beginning of period, shares 158,356 356,496  
Options granted, shares 0 0  
Options exercised, shares (5,652) 0  
Options forfeited or expired, shares (140,404) (198,140)  
Outstanding, end of period, shares 12,300 158,356 356,496
Options, exerciseable, end of period, shares 12,300    
Weighted-average exercise price per share      
Outstanding, beginning of period, weighted-average exercise price per share (in USD per share) $ 7.62 $ 6.96  
Options granted, weighted-average exercise price per share (in USD per share) 0.00 0.00  
Options exercised, weighted-average exercise price per share (in USD per share) 5.75 0.00  
Options forfeited or expired, weighted-average exercise price per share (in USD per share) 7.41 6.46  
Outstanding, end of period, weighted-average exercise price per share (in USD per share) 10.89 $ 7.62 $ 6.96
Exercisable, end of period, weighted-average exercise price per share (in USD per share) $ 10.89    
Outstanding, end of period, weighted-average remaining contractual term 1 year 7 months 5 days 5 months 1 year 5 days
Exercisable, end of period, weighted-average remaining contractual term 1 year 7 months 5 days    
Outstanding, end of period, aggregate intrinsic value $ 0 $ 2,320 $ 360
Exercisable, end of period, aggregate intrinsic value $ 0