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Stock-Based Compensation (Schedule of Stock-Based Compensation, RS and RSU Award Activity) (Details) - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares, Granted (in shares) 15,702  
Number of Shares, Nonvested at end of period (in shares) 15,702  
Weighted Average Grant Date Fair Value, Granted (in dollars per share) $ 15.36  
Weighted Average Grant Date Fair Value, Nonvested at end of period (in dollars per share) $ 15.36  
Restricted Stock Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares, Nonvested at beginning of period (in shares) 38,562  
Number of Shares, Vested (in shares) (15,577) (15,577)
Number of Shares, Cancelled (in shares) (16,807)  
Number of Shares, Nonvested at end of period (in shares) 6,178 38,562
Weighted Average Grant Date Fair Value, Nonvested at beginning of period (in dollars per share) $ 14.69  
Weighted Average Grant Date Fair Value, Vested (in dollars per share) 11.68  
Weighted Average Grant Date Fair Value, Cancelled (in dollars per share) 16.78  
Weighted Average Grant Date Fair Value, Nonvested at end of period (in dollars per share) $ 16.57 $ 14.69