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Stock-Based Compensation (Disclosure of Share-based Compensation Arrangements by Share-based Payment Award) (Details) (USD $)
6 Months Ended
Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding Begninng Balance- shares 183,574
Outstanding Beginning Balance- weighted average exercise price $ 9.92
Granted- shares 31,257
Granted - weighted average exercise price $ 12.52
Exercised- shares (1,000)
Exercised- Weighted Average Exercise Price $ 10.66
Canceled-shares (8,682)
Canceled- weighted average exercise price $ 10.58
Outstaning Ending Balance- shares 205,149
Outstanding Ending Balance- weighted average exercise price $ 10.39
Outstanding Ending Balance- weighted average remaining contractual term (years) 5 years 7 months 6 days
Outstanding Ending Balance- aggregate intrinsic value $ 503,193
Exercisable- shares 140,902
Exercisable- weighted average exercise price $ 10.26
Exercisable- weighed average remaining contractual term (years) 4 years 2 months 5 days
Exercisable- aggregate intrinsic value $ 374,072