Segment Information (Schedule Of Segment Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014 segment	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Number of business segments									2
Net interest income	$ 10,951	$ 11,077	$ 10,320	$ 10,038	$ 10,003	$ 9,538	$ 9,504	$ 9,758	$ 42,385	$ 38,803	$ 39,820
Provision for loan losses									2,250	4,500	8,500
Net interest income after provision for loan losses									40,135	34,303	31,320
Other income									11,223	11,209	12,879
Other expenses									35,324	34,756	37,267
Income before income taxes									16,034	10,756	6,932
Income tax expense (benefit)									4,678	2,688	1,219
Net Income	3,199	3,336	2,432	2,389	2,788	2,272	1,216	1,792	11,356	8,068	5,713
Dividends on preferred shares									771	775	777
Net income (loss) applicable to common shares	3,008	3,143	2,239	2,195	2,594	2,078	1,023	1,598	10,585	7,293	4,936
Inter-segment revenue (expense)									0	0	0
Average assets									1,420,002	1,382,956	1,421,101
Community Banking [Member]
Segment Reporting Information [Line Items]
Net interest income									44,209	40,725	41,600
Provision for loan losses									2,250	4,500	8,500
Net interest income after provision for loan losses									41,959	36,225	33,100
Other income									6,299	6,375	8,208
Other expenses									30,579	29,534	32,435
Income before income taxes									17,679	13,066	8,873
Income tax expense (benefit)									5,191	3,490	1,868
Net Income									12,488	9,576	7,005
Dividends on preferred shares									0	0	0
Net income (loss) applicable to common shares									12,488	9,576	7,005
Inter-segment revenue (expense)									(1,071)	(979)	(942)
Average assets									1,466,521	1,431,131	1,477,636
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									4,882	4,834	4,689
Other expenses									4,188	4,592	4,215
Income before income taxes									694	242	474
Income tax expense (benefit)									226	92	184
Net Income									468	150	290
Dividends on preferred shares									0	0	0
Net income (loss) applicable to common shares									468	150	290
Inter-segment revenue (expense)									(118)	(108)	(102)
Average assets									6,130	6,176	6,399
Parent [Member]
Segment Reporting Information [Line Items]
Net interest income									(1,824)	(1,922)	(1,780)
Provision for loan losses									0	0	0
Net interest income after provision for loan losses									(1,824)	(1,922)	(1,780)
Other income									1,231	1,087	1,026
Other expenses									1,746	1,717	1,661
Income before income taxes									(2,339)	(2,552)	(2,415)
Income tax expense (benefit)									(739)	(894)	(833)
Net Income									(1,600)	(1,658)	(1,582)
Dividends on preferred shares									771	775	777
Net income (loss) applicable to common shares									(2,371)	(2,433)	(2,359)
Inter-segment revenue (expense)									1,189	1,087	1,044
Average assets									164,769	157,249	154,506
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									(1,189)	(1,087)	(1,044)
Other expenses									(1,189)	(1,087)	(1,044)
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									$ (217,418)	$ (211,600)	$ (217,440)