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Stock-Based Compensation (Schedule of Stock-Based Compensation - RS Award Activity) (Details) - Restricted Stock [Member] - $ / shares
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares, Nonvested at beginning of period (in shares) 17,066 12,488
Number of Shares, Granted (in shares) 20,143 23,239
Number of Shares, Vested (in shares) (21,296) (18,662)
Number of Shares, Nonvested at end of period (in shares) 15,913 17,065
Weighted Average Grant Date Fair Value, Nonvested at beginning of period (in dollars per share) $ 11.46 $ 8.74
Weighted Average Grant Date Fair Value, Granted (in dollars per share) 16.69 11.47
Weighted Average Grant Date Fair Value, Vested (in dollars per share) 13.47 9.63
Weighted Average Grant Date Fair Value, Nonvested at end of period (in dollars per share) $ 12.49 $ 11.46