Allowance For Loan Losses (Summary Of Net Unearned Income) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Sep. 30, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 11,674	$ 11,472	$ 11,472
Charge-offs	(738)	(1,155)	(1,555)
Recoveries	654	802	1,257
Provision	875	500	500
Ending balance	12,465	11,619	11,674
Allowance related to: Loans individually evaluated for impairment				$ 1,644
Allowance related to: Loans collectively evaluated for impairment				10,812
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				9
Total, Allowance	11,674	11,472	11,472	12,465
Loans individually evaluated for impairment				38,399
Loans collectively evaluated for impairment				1,527,976
Loans Acquired with Deteriorated Credit Quality				5,418
Total, Loans				1,571,793
Land and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,263
Charge-offs	(3)	(50)	(127)
Recoveries	246	514	840
Provision	(1,858)
Ending balance	648		2,263
Allowance related to: Loans individually evaluated for impairment				525
Allowance related to: Loans collectively evaluated for impairment				123
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	2,263		2,263	648
Loans individually evaluated for impairment				6,499
Loans collectively evaluated for impairment				64,913
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				71,412
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	24
Charge-offs	(21)	0	(9)
Recoveries	0	0	0
Provision	13
Ending balance	16		24
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				16
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	24		24	16
Loans individually evaluated for impairment				0
Loans collectively evaluated for impairment				28,756
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				28,756
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	934
Charge-offs	(23)	(379)	(489)
Recoveries	13	69	73
Provision	293
Ending balance	1,217		934
Allowance related to: Loans individually evaluated for impairment				259
Allowance related to: Loans collectively evaluated for impairment				958
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	934		934	1,217
Loans individually evaluated for impairment				513
Loans collectively evaluated for impairment				186,669
Loans Acquired with Deteriorated Credit Quality				11
Total, Loans				187,193
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,109
Charge-offs	(3)	(179)	(179)
Recoveries	82	25	31
Provision	121
Ending balance	2,309		2,109
Allowance related to: Loans individually evaluated for impairment				127
Allowance related to: Loans collectively evaluated for impairment				2,178
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				4
Total, Allowance	2,109		2,109	2,309
Loans individually evaluated for impairment				9,586
Loans collectively evaluated for impairment				229,559
Loans Acquired with Deteriorated Credit Quality				695
Total, Loans				239,840
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	3,438
Charge-offs	(65)	(122)	(124)
Recoveries	92	13	17
Provision	1,709
Ending balance	5,174		3,438
Allowance related to: Loans individually evaluated for impairment				501
Allowance related to: Loans collectively evaluated for impairment				4,670
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				3
Total, Allowance	3,438		3,438	5,174
Loans individually evaluated for impairment				10,898
Loans collectively evaluated for impairment				451,799
Loans Acquired with Deteriorated Credit Quality				1,846
Total, Loans				464,543
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,174
Charge-offs	(200)	(119)	(169)
Recoveries	50	58	136
Provision	24
Ending balance	2,048		2,174
Allowance related to: Loans individually evaluated for impairment				217
Allowance related to: Loans collectively evaluated for impairment				1,829
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				2
Total, Allowance	2,174		2,174	2,048
Loans individually evaluated for impairment				5,928
Loans collectively evaluated for impairment				347,853
Loans Acquired with Deteriorated Credit Quality				1,861
Total, Loans				355,642
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	95
Charge-offs	(2)	0	0
Recoveries	0	6	6
Provision	(15)
Ending balance	78		95
Allowance related to: Loans individually evaluated for impairment				15
Allowance related to: Loans collectively evaluated for impairment				63
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	95		95	78
Loans individually evaluated for impairment				4,422
Loans collectively evaluated for impairment				55,826
Loans Acquired with Deteriorated Credit Quality				1,005
Total, Loans				61,253
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	413
Charge-offs	(95)	(117)	(175)
Recoveries	29	3	3
Provision	261
Ending balance	608		413
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				608
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	413		413	608
Loans individually evaluated for impairment				524
Loans collectively evaluated for impairment				82,196
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				82,720
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	0
Ending balance	0		0
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	0		0	0
Loans individually evaluated for impairment				0
Loans collectively evaluated for impairment				33,525
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				33,525
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	121
Charge-offs	(147)	(61)	(98)
Recoveries	64	55	76
Provision	177
Ending balance	215		121
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				215
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	121		121	215
Loans individually evaluated for impairment				29
Loans collectively evaluated for impairment				36,886
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				36,915
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	103
Charge-offs	(179)	(128)	(185)
Recoveries	78	$ 59	75
Provision	150
Ending balance	152		103
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				152
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	$ 103		$ 103	152
Loans individually evaluated for impairment				0
Loans collectively evaluated for impairment				9,994
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				$ 9,994