Segment Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Net interest income	$ 17,232	$ 12,037	$ 48,709	$ 35,550
Provision for loan losses	375	0	875	500
Net interest income after provision for loan losses	16,857	12,037	47,834	35,050
Other income	4,000	2,749	10,496	8,601
Other expenses	12,447	8,419	45,399	25,410
Income before income tax expense	8,410	6,367	12,931	18,241
Income tax expense (benefit)	2,480	2,086	3,339	5,655
Net income	5,930	4,281	9,592	12,586
Inter-segment revenue (expense)	0	0	0	0
Average assets	2,088,260	1,589,054	1,971,487	1,543,928
Capital Expenditures	1,497	766	5,672	1,199
Community Banking [Member]
Segment Reporting Information [Line Items]
Net interest income	17,408	12,197	49,220	36,028
Provision for loan losses	375	0	875	500
Net interest income after provision for loan losses	17,033	12,197	48,345	35,528
Other income	2,408	1,622	6,280	5,240
Other expenses	10,844	7,249	41,351	21,735
Income before income tax expense	8,597	6,570	13,274	19,033
Income tax expense (benefit)	2,482	2,145	3,386	5,888
Net income	6,115	4,425	9,888	13,145
Inter-segment revenue (expense)	(451)	(361)	(1,353)	(1,081)
Average assets	2,110,832	1,609,343	1,994,042	1,565,099
Capital Expenditures	1,497	766	5,544	1,099
Trust and Wealth Management [Member]
Segment Reporting Information [Line Items]
Net interest income	0	0	0	0
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	0	0	0	0
Other income	589	126	1,284	358
Other expenses	546	100	1,219	335
Income before income tax expense	43	26	65	23
Income tax expense (benefit)	16	10	24	9
Net income	27	16	41	14
Inter-segment revenue (expense)	0	0	0	0
Average assets	0	0	0	0
Capital Expenditures	0	0	0	0
Insurance Services [Member]
Segment Reporting Information [Line Items]
Net interest income	0	0	0	0
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	0	0	0	0
Other income	1,003	1,001	2,932	3,003
Other expenses	814	902	2,495	2,771
Income before income tax expense	189	99	437	232
Income tax expense (benefit)	92	40	190	95
Net income	97	59	247	137
Inter-segment revenue (expense)	(40)	(28)	(120)	(85)
Average assets	6,288	6,005	6,197	5,951
Capital Expenditures	0	0	36	9
Parent [Member]
Segment Reporting Information [Line Items]
Net interest income	(176)	(160)	(511)	(478)
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	(176)	(160)	(511)	(478)
Other income	491	389	1,473	1,166
Other expenses	734	557	1,807	1,735
Income before income tax expense	(419)	(328)	(845)	(1,047)
Income tax expense (benefit)	(110)	(109)	(261)	(337)
Net income	(309)	(219)	(584)	(710)
Inter-segment revenue (expense)	491	389	1,473	1,166
Average assets	217,928	175,581	203,459	172,840
Capital Expenditures	0	0	92	91
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net interest income	0	0	0	0
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	0	0	0	0
Other income	(491)	(389)	(1,473)	(1,166)
Other expenses	(491)	(389)	(1,473)	(1,166)
Income before income tax expense	0	0	0	0
Income tax expense (benefit)	0	0	0	0
Net income	0	0	0	0
Inter-segment revenue (expense)	0	0	0	0
Average assets	(246,788)	(201,875)	(232,211)	(199,962)
Capital Expenditures	$ 0	$ 0	$ 0	$ 0