XML 29 R31.htm IDEA: XBRL DOCUMENT v3.3.0.814
Stock Based Compensation (Summary of Stock Option Activity) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Stock-Based Compensation [Abstract]      
Options, Outstanding, beginning of period 206,463    
Options, Granted 0    
Options, Exercised (11,931)    
Options, Forfeited (9,583)    
Options, Outstanding, end of period 184,949   206,463
Options, Exercisable, end of period 172,949    
Weighted Average Exercise Price Per Share, Outstanding, beginning of period $ 26.74    
Weighted Average Exercise Price Per Share, Exercised 26.00    
Weighted Average Exercise Price Per Share, Forfeited 27.02    
Weighted Average Exercise Price Per Share, Outstanding, end of period 26.77   $ 26.74
Weighted Average Exercise Price Per Share, Exercisable, end of period $ 26.61    
Weighted Average Remaining Contractual Term, Outstanding 5 years   5 years 8 months 12 days
Weighted Average Remaining Contractual Term, Exercised During Period 4 years 4 months 24 days    
Weighted Average Remaining Contractual Term, Forfeited During Period 4 years 3 months 18 days    
Weighted Average Remaining Contractual Term, Exercisable at End of Period 4 years 8 months 12 days    
Aggregate Intrinsic Value, Outstanding, beginning of period $ 478    
Aggregate Intrinsic Value, Granted in Period 0    
Aggregate Intrinsic Value, Exercised in Period 0    
Aggregate Intrinsic Value, Forfeited in Period 0    
Aggregate Intrinsic Value, Outstanding, end of period 413   $ 478
Aggregate Intrinsic Value, Exercisable at end of period 413    
Unrecognized compensation cost related to non-vested options granted 16    
Compensation expense related to stock options $ 49 $ 120  
Share Price $ 29.00 $ 28.60 $ 29.05