Segment Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Net interest income	$ 49,007	$ 46,016	$ 42,385
Provision for loan losses	500	1,250	2,250
Net interest income after provision for loan losses	48,507	44,766	40,135
Other income	11,600	11,861	11,223
Other expenses	34,802	33,632	35,324
Income before income taxes	25,305	22,995	16,034
Income tax expense (benefit)	8,008	6,893	4,678
Net Income	17,297	16,102	11,356
Dividends on preferred shares	0	0	771
Net income (loss) applicable to common shares	17,297	16,102	10,585
Inter-segment revenue (expense)	0	0	0
Average assets	1,599,597	1,466,587	1,420,002
Capital Expenditures	1,857	2,588	511
Community Banking [Member]
Segment Reporting Information [Line Items]
Net interest income	49,649	46,744	44,209
Provision for loan losses	500	1,250	2,250
Net interest income after provision for loan losses	49,149	45,494	41,959
Other income	7,213	7,324	6,299
Other expenses	29,482	28,060	30,579
Income before income taxes	26,880	24,758	17,679
Income tax expense (benefit)	8,579	7,542	5,191
Net Income	18,301	17,216	12,488
Dividends on preferred shares			0
Net income (loss) applicable to common shares			12,488
Inter-segment revenue (expense)	(1,441)	(1,047)	(1,071)
Average assets	1,620,723	1,496,396	1,466,521
Capital Expenditures	1,730	2,530	470
Insurance Services [Member]
Segment Reporting Information [Line Items]
Net interest income	0	0	0
Provision for loan losses	0	0	0
Net interest income after provision for loan losses	0	0	0
Other income	4,400	4,537	4,882
Other expenses	4,053	4,315	4,188
Income before income taxes	347	222	694
Income tax expense (benefit)	144	43	226
Net Income	203	179	468
Dividends on preferred shares			0
Net income (loss) applicable to common shares			468
Inter-segment revenue (expense)	(113)	(86)	(118)
Average assets	5,984	5,923	6,130
Capital Expenditures	36	12	35
Parent [Member]
Segment Reporting Information [Line Items]
Net interest income	(642)	(728)	(1,824)
Provision for loan losses	0	0	0
Net interest income after provision for loan losses	(642)	(728)	(1,824)
Other income	1,541	1,133	1,231
Other expenses	2,821	2,390	1,746
Income before income taxes	(1,922)	(1,985)	(2,339)
Income tax expense (benefit)	(715)	(692)	(739)
Net Income	(1,207)	(1,293)	(1,600)
Dividends on preferred shares			771
Net income (loss) applicable to common shares			(2,371)
Inter-segment revenue (expense)	1,554	1,133	1,189
Average assets	173,999	167,839	164,769
Capital Expenditures	91	46	6
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net interest income	0	0	0
Provision for loan losses	0	0	0
Net interest income after provision for loan losses	0	0	0
Other income	(1,554)	(1,133)	(1,189)
Other expenses	(1,554)	(1,133)	(1,189)
Income before income taxes	0	0	0
Income tax expense (benefit)	0	0	0
Net Income	0	0	0
Dividends on preferred shares			0
Net income (loss) applicable to common shares			0
Inter-segment revenue (expense)	0	0	0
Average assets	(201,109)	(203,571)	(217,418)
Capital Expenditures	$ 0	$ 0	$ 0