Segment Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net interest income	$ 11,733	$ 11,305	$ 11,458	$ 11,520	$ 10,951	$ 11,077	$ 10,320	$ 10,038	$ 46,016	$ 42,385	$ 38,803
Provision for loan losses									1,250	2,250	4,500
Net interest income after provision for loan losses									44,766	40,135	34,303
Other income									11,861	11,223	11,209
Other expenses									33,632	35,324	34,756
Income before income taxes									22,995	16,034	10,756
Income tax expense (benefit)									6,893	4,678	2,688
Net Income	4,146	3,661	4,010	4,285	3,199	3,336	2,432	2,389	16,102	11,356	8,068
Dividends on preferred shares									0	771	775
Net income (loss) applicable to common shares	$ 4,146	$ 3,661	$ 4,010	$ 4,285	$ 3,008	$ 3,143	$ 2,239	$ 2,195	16,102	10,585	7,293
Inter-segment revenue (expense)									0	0	0
Average assets									1,466,587	1,420,002	1,382,956
Community Banking [Member]
Segment Reporting Information [Line Items]
Net interest income									46,744	44,209	40,725
Provision for loan losses									1,250	2,250	4,500
Net interest income after provision for loan losses									45,494	41,959	36,225
Other income									7,324	6,299	6,375
Other expenses									28,060	30,579	29,534
Income before income taxes									24,758	17,679	13,066
Income tax expense (benefit)									7,542	5,191	3,490
Net Income									17,216	12,488	9,576
Dividends on preferred shares									0	0	0
Net income (loss) applicable to common shares									17,216	12,488	9,576
Inter-segment revenue (expense)									(1,047)	(1,071)	(979)
Average assets									1,496,396	1,466,521	1,431,131
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									4,537	4,882	4,834
Other expenses									4,315	4,188	4,592
Income before income taxes									222	694	242
Income tax expense (benefit)									43	226	92
Net Income									179	468	150
Dividends on preferred shares									0	0	0
Net income (loss) applicable to common shares									179	468	150
Inter-segment revenue (expense)									(86)	(118)	(108)
Average assets									5,923	6,130	6,176
Parent [Member]
Segment Reporting Information [Line Items]
Net interest income									(728)	(1,824)	(1,922)
Provision for loan losses									0	0	0
Net interest income after provision for loan losses									(728)	(1,824)	(1,922)
Other income									1,133	1,231	1,087
Other expenses									2,390	1,746	1,717
Income before income taxes									(1,985)	(2,339)	(2,552)
Income tax expense (benefit)									(692)	(739)	(894)
Net Income									(1,293)	(1,600)	(1,658)
Dividends on preferred shares									0	771	775
Net income (loss) applicable to common shares									(1,293)	(2,371)	(2,433)
Inter-segment revenue (expense)									1,133	1,189	1,087
Average assets									167,839	164,769	157,249
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									(1,133)	(1,189)	(1,087)
Other expenses									(1,133)	(1,189)	(1,087)
Income before income taxes									0	0	0
Income tax expense (benefit)									0	0	0
Net Income									0	0	0
Dividends on preferred shares									0	0	0
Net income (loss) applicable to common shares									0	0	0
Inter-segment revenue (expense)									0	0	0
Average assets									$ (203,571)	$ (217,418)	$ (211,600)