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Share Based Compensation Plans - Summary of Outstanding Nonvested Restricted Shares (Details) (Restricted Stock [Member], USD $)
9 Months Ended
Sep. 30, 2014
Restricted Stock [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Nonvested shares, beginning of year 5,000
Granted, shares 150,500
Nonvested shares, at period end 155,500
Weighted average exercise price, beginning of year (usd per share) $ 10.43
Weighted average exercise price, grants in period (usd per share) $ 15.69
Weighted average exercise price, at period end (usd per share) $ 15.52