Allowance For Loan Losses (Allowance For Loan Losses By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	$ 4,959	$ 5,080	$ 5,080
Charge-Offs	(73)	(131)	(456)
Recoveries	38	90	562
Provision	79	133	(227)
Ending Balance	5,003	5,172	4,959
Ending balance: Individually evaluated for impairment	546		576
Ending balance: collectively evaluated for impairment	4,457		4,383
Loans Ending Balance	511,033		495,573
Ending balance individually evaluated for impairment	12,719		14,003
Ending balance collectively evaluated for impairment	498,314		481,570
Construction and Farmland
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	775	951	951
Charge-Offs	0		(166)
Recoveries	13		75
Provision	(176)		(85)
Ending Balance	612		775
Ending balance: Individually evaluated for impairment	13		10
Ending balance: collectively evaluated for impairment	599		765
Loans Ending Balance	40,047		41,569
Ending balance individually evaluated for impairment	1,374		1,392
Ending balance collectively evaluated for impairment	38,673		40,177
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	2,322	1,977	1,977
Charge-Offs	(60)		(152)
Recoveries	2		142
Provision	5		355
Ending Balance	2,269		2,322
Ending balance: Individually evaluated for impairment	385		423
Ending balance: collectively evaluated for impairment	1,884		1,899
Loans Ending Balance	231,306		233,626
Ending balance individually evaluated for impairment	6,724		7,209
Ending balance collectively evaluated for impairment	224,582		226,417
Commercial Real Estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	1,268	1,347	1,347
Charge-Offs	0		(47)
Recoveries	2		115
Provision	193		(147)
Ending Balance	1,463		1,268
Ending balance: Individually evaluated for impairment	143		141
Ending balance: collectively evaluated for impairment	1,320		1,127
Loans Ending Balance	190,987		175,172
Ending balance individually evaluated for impairment	3,974		4,555
Ending balance collectively evaluated for impairment	187,013		170,617
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	211	464	464
Charge-Offs	0		0
Recoveries	5		181
Provision	18		(434)
Ending Balance	234		211
Ending balance: Individually evaluated for impairment	5		2
Ending balance: collectively evaluated for impairment	229		209
Loans Ending Balance	32,847		29,366
Ending balance individually evaluated for impairment	647		847
Ending balance collectively evaluated for impairment	32,200		28,519
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	109	103	103
Charge-Offs	(5)		(66)
Recoveries	15		33
Provision	(20)		39
Ending Balance	99		109
Ending balance: Individually evaluated for impairment	0		0
Ending balance: collectively evaluated for impairment	99		109
Loans Ending Balance	13,210		13,530
Ending balance individually evaluated for impairment	0		0
Ending balance collectively evaluated for impairment	13,210		13,530
All Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	53	42	42
Charge-Offs	(8)		(25)
Recoveries	1		16
Provision	21		20
Ending Balance	67		53
Ending balance: Individually evaluated for impairment	0		0
Ending balance: collectively evaluated for impairment	67		53
Loans Ending Balance	2,636		2,310
Ending balance individually evaluated for impairment	0		0
Ending balance collectively evaluated for impairment	2,636		2,310
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning Balance	221	$ 196	196
Provision	38		25
Ending Balance	259		221
Ending balance: collectively evaluated for impairment	$ 259		$ 221

A valuation allowance for financing receivables that are expected to be uncollectible.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

+ Details

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

+ Details

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

+ Details

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

+ Details

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

+ Details

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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