Loan Quality (Allowance For Loan Losses, By Loan Segment) (Details) - USD ($) $ in Thousands	3 Months Ended							12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance, Beginning Balance				$ 9,111			$ 9,702	$ 9,111	$ 9,702	$ 10,379
Charge-offs								(571)	(1,573)	(3,972)
Recoveries								261	218	375
Provision	$ 250	$ 400	$ 310	325	$ 300	$ 266	198	1,285	764	2,920
Allowance, Ending Balance	10,086				9,111			10,086	9,111	9,702
Loans evaluated for allowance individually											$ 16,022	$ 25,758
Loans evaluated for allowance collectively											765,994	700,773
Total Loans											782,016	726,531
Allowance established for loans evaluated individually											9	231
Allowance established for loan evaluated collectively											10,077	8,880
Total Allowance	10,086			9,111	9,111		9,702	9,111	9,702	10,379	10,086	9,111
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total Loans											212,391	205,109
Residential Real Estate - Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance, Beginning Balance				214			276	214	276	882
Charge-offs								(21)	(41)
Recoveries								18
Provision								(17)	(21)	(606)
Allowance, Ending Balance	194				214			194	214	276
Loans evaluated for allowance individually											502	931
Loans evaluated for allowance collectively											7,386	8,784
Total Loans											7,888	9,715
Allowance established for loan evaluated collectively											194	214
Total Allowance	194			214	214		276	214	276	882	194	214
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance, Beginning Balance				4,978			5,196	4,978	5,196	6,078
Charge-offs									(408)	(2,855)
Recoveries								14	50	203
Provision								657	140	1,770
Allowance, Ending Balance	5,649				4,978			5,649	4,978	5,196
Loans evaluated for allowance individually											14,309	22,307
Loans evaluated for allowance collectively											326,386	304,175
Total Loans											340,695	326,482
Allowance established for loans evaluated individually												60
Allowance established for loan evaluated collectively											5,649	4,918
Total Allowance	5,649			4,978	4,978		5,196	4,978	5,196	6,078	5,649	4,978
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance, Beginning Balance				1,515			2,099	1,515	2,099	1,437
Charge-offs								(270)	(644)	(363)
Recoveries								148	65	100
Provision								126	(5)	925
Allowance, Ending Balance	1,519				1,515			1,519	1,515	2,099
Loans evaluated for allowance individually											230	1,298
Loans evaluated for allowance collectively											215,712	177,773
Total Loans											215,942	179,071
Allowance established for loans evaluated individually											9	171
Allowance established for loan evaluated collectively											1,510	1,344
Total Allowance	1,519			1,515	1,515		2,099	1,515	2,099	1,437	1,519	1,515
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance, Beginning Balance				127			138	127	138	181
Charge-offs								(198)	(189)	(162)
Recoveries								74	82	59
Provision								99	96	60
Allowance, Ending Balance	102				127			102	127	138
Loans evaluated for allowance collectively											5,100	6,154
Total Loans											5,100	6,154
Allowance established for loan evaluated collectively											102	127
Total Allowance	102			127	127		138	127	138	181	102	127
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance, Beginning Balance				1,012			852	1,012	852	797
Provision								313	160	55
Allowance, Ending Balance	1,325				1,012			1,325	1,012	852
Allowance established for loan evaluated collectively											1,325	1,012
Total Allowance	1,325			1,012	1,012		852	1,012	852	797	1,325	1,012
First Liens [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance, Beginning Balance				994			913	994	913	744
Charge-offs								(43)	(291)	(547)
Recoveries								7	21	13
Provision								31	351	703
Allowance, Ending Balance	989				994			989	994	913
Loans evaluated for allowance individually											930	1,171
Loans evaluated for allowance collectively											160,548	160,143
Total Loans											161,478	161,314
Allowance established for loan evaluated collectively											989	994
Total Allowance	989			994	994		913	994	913	744	989	994
Junior Liens & Lines Of Credit [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance, Beginning Balance				271			228	271	228	260
Charge-offs								(39)		(45)
Provision								76	43	13
Allowance, Ending Balance	308				271			308	271	228
Loans evaluated for allowance individually											51	51
Loans evaluated for allowance collectively											50,862	43,744
Total Loans											50,913	43,795
Allowance established for loan evaluated collectively											308	271
Total Allowance	$ 308			$ 271	$ 271		$ 228	$ 271	$ 228	$ 260	$ 308	$ 271