Annual report pursuant to Section 13 and 15(d)

Stock Compensation (Schedule Of Changes In Restricted Stock Units Outstanding) (Details)

v3.8.0.1
Stock Compensation (Schedule Of Changes In Restricted Stock Units Outstanding) (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Outstanding 27,134 32,816
Shares, Granted   13,793
Shares, Vested (13,341) (19,023)
Shares, Forfeited   (452)
Shares, Outstanding 13,793 27,134
Weighted Average Grant Date Fair Value, Outstanding $ 8.65 $ 11.41
Weighted Average Grant Date Fair Value, Granted   6.33
Weighted Average Grant Date Fair Value, Vested 11.05 10.90
Weighted Average Grant Date Fair Value, Forfeited   11.05
Weighted Average Grant Date Fair Value, Outstanding $ 6.33 $ 8.65