Segment Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net interest income	$ 66,147	$ 49,007	$ 46,016
Provision for loan losses	1,250	500	1,250
Net interest income after provision for loan losses	64,897	48,507	44,766
Other income	14,427	11,600	11,861
Other expenses	57,745	34,802	33,632
Income before income taxes	21,579	25,305	22,995
Income tax expense (benefit)	9,664	8,008	6,893
Net Income	11,915	17,297	16,102
Net income (loss) applicable to common shares	11,915	17,297	16,102
Inter-segment revenue (expense)	0	0	0
Average assets	2,006,340	1,599,597	1,466,587
Capital Expenditures	6,185	1,857	2,588
Community Banking [Member]
Segment Reporting Information [Line Items]
Net interest income	66,837	49,649	46,744
Provision for loan losses	1,250	500	1,250
Net interest income after provision for loan losses	65,587	49,149	45,494
Other income	8,671	7,213	7,324
Other expenses	52,221	29,482	28,060
Income before income taxes	22,037	26,880	24,758
Income tax expense (benefit)	9,672	8,566	7,493
Net Income	12,365	18,314	17,265
Inter-segment revenue (expense)	(1,804)	(1,441)	(1,047)
Average assets	2,028,054	1,620,723	1,496,396
Capital Expenditures	6,054	1,730	2,530
Trust and Wealth Management [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	1,863	449	595
Other expenses	1,712	415	462
Income before income taxes	151	34	133
Income tax expense (benefit)	56	13	49
Net Income	95	21	84
Inter-segment revenue (expense)	0	0	0
Average assets	0	0	0
Capital Expenditures	0	0	0
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	3,893	3,951	3,942
Other expenses	3,314	3,638	3,853
Income before income taxes	579	313	89
Income tax expense (benefit)	65	144	43
Net Income	514	169	46
Inter-segment revenue (expense)	(160)	(113)	(86)
Average assets	6,200	5,984	5,923
Capital Expenditures	39	36	12
Parent [Member]
Segment Reporting Information [Line Items]
Net interest income	(690)	(642)	(728)
Provision for loan losses	0	0	0
Net interest income after provision for loan losses	(690)	(642)	(728)
Other income	1,964	1,541	1,133
Other expenses	2,462	2,821	2,390
Income before income taxes	(1,188)	(1,922)	(1,985)
Income tax expense (benefit)	(129)	(715)	(692)
Net Income	(1,059)	(1,207)	(1,293)
Inter-segment revenue (expense)	1,964	1,554	1,133
Average assets	208,468	173,999	167,839
Capital Expenditures	92	91	46
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	(1,964)	(1,554)	(1,133)
Other expenses	(1,964)	(1,554)	(1,133)
Income before income taxes	0	0	0
Income tax expense (benefit)	0	0	0
Net Income	0	0	0
Inter-segment revenue (expense)	0	0	0
Average assets	(236,382)	(201,109)	(203,571)
Capital Expenditures	$ 0	$ 0	$ 0