Earnings Per Share (Computations Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share [Line Items]
Net income	$ 11,915	$ 17,297	$ 16,102
Net income (loss) applicable to common shares	$ 11,915	$ 17,297	$ 16,102
Basic EPS, Common Shares (Denominator) (in shares)	11,918,390	10,689,224	10,295,434
Basic EPS (in dollars per share)	$ 1.00	$ 1.62	$ 1.56
Diluted EPS, Stock options, Common Shares (Denominator) (in shares)	11,338	11,612	8,353
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	19,517	16,035	0
Diluted EPS, Income (Numerator)	$ 11,915	$ 17,297	$ 16,102
Diluted EPS, Common Shares (Denominator) (in shares)	11,949,245	10,716,871	10,715,275
Diluted EPS (in dollars per share)	$ 1.00	$ 1.61	$ 1.50
Series 2011 Preferred Stock [Member]
Earnings Per Share [Line Items]
Diluted EPS, convertible preferred stock dividend, Income (Numerator)	$ 0	$ 0	$ 0
Diluted EPS, convertible preferred stock, Common Shares (Denominator) (in shares)	0	0	285,610
Series 2009 Preferred Stock [Member]
Earnings Per Share [Line Items]
Diluted EPS, convertible preferred stock dividend, Income (Numerator)	$ 0	$ 0	$ 0
Diluted EPS, convertible preferred stock, Common Shares (Denominator) (in shares)	0	0	125,878