Earnings Per Share (Computations Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Line Items]
Net income	$ 31,866	$ 28,072	$ 11,915
Net income (loss) applicable to common shares	$ 31,866	$ 28,072	$ 11,915
Basic EPS, Common Shares (Denominator) (in shares)	12,516,474	12,364,468	11,918,390
Basic EPS (in dollars per share)	$ 2.55	$ 2.27	$ 1.00
Diluted EPS, Stock options, Common Shares (Denominator) (in shares)	4,935	7,071	11,338
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	53,737	53,034	19,517
Diluted EPS, Income (Numerator)	$ 31,866	$ 28,072	$ 11,915
Diluted EPS, Common Shares (Denominator) (in shares)	12,575,145	12,424,573	11,949,245
Diluted EPS (in dollars per share)	$ 2.53	$ 2.26	$ 1.00
Restricted Stock Units (RSUs) [Member]
Earnings Per Share [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0	0	0