Allowance For Loan Losses (Summary Of Activity In And The Composition Of The Allowance For Loan Losses By Loan Segment And Class) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 9,302	$ 8,702
Charge-offs	(107)	(90)
Recoveries	31	27
Provisions	260	250
Ending Balance	9,486	8,889
Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	8,032	8,120
Charge-offs	0	0
Recoveries	4	6
Provisions	(57)	(116)
Ending Balance	7,979	8,010
Builder & Developer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,571	2,170
Charge-offs	0	0
Recoveries	0	0
Provisions	(37)	(191)
Ending Balance	1,534	1,979
Commercial Real Estate Investor [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,259	2,003
Charge-offs	0	0
Recoveries	0	0
Provisions	27	10
Ending Balance	1,286	2,013
Residential Real Estate Investor [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,195	505
Charge-offs	0	0
Recoveries	0	0
Provisions	1	(5)
Ending Balance	1,196	500
Hotel/Motel [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	485	394
Charge-offs	0	0
Recoveries	0	0
Provisions	29	49
Ending Balance	514	443
Wholesale & Retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,913	1,806
Charge-offs	0	0
Recoveries	4	6
Provisions	(85)	(96)
Ending Balance	1,832	1,716
Manufacturing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	237	151
Charge-offs	0	0
Recoveries	0	0
Provisions	(13)	0
Ending Balance	224	151
Agriculture [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	202	184
Charge-offs	0	0
Recoveries	0	0
Provisions	35	9
Ending Balance	237	193
Other Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,170	907
Charge-offs	0	0
Recoveries	0	0
Provisions	(14)	108
Ending Balance	1,156	1,015
Consumer Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	599	345
Charge-offs	(107)	(90)
Recoveries	27	21
Provisions	41	91
Ending Balance	560	367
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	124	88
Charge-offs	0	(39)
Recoveries	0	17
Provisions	(76)	51
Ending Balance	48	117
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	237	86
Charge-offs	(75)	0
Recoveries	1	0
Provisions	152	1
Ending Balance	315	87
Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	238	171
Charge-offs	(32)	(51)
Recoveries	26	4
Provisions	(35)	39
Ending Balance	197	163
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	671	237
Charge-offs	0	0
Recoveries	0	0
Provisions	276	275
Ending Balance	$ 947	$ 512