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Allowance for Loan Losses Allowance for Loan Losses (Change in Accounting Methodology) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	$ (227)	$ 350	$ 0
Construction And Farmland [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	(85)	375	(233)
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	355	497	(197)
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	(147)	(288)	437
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	(434)	(255)	31
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	39	0	26
All Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	20	$ (20)	$ (33)
Total Excluding Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	(252)
Calculated Provision Based On Prior Methodology [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	(635)
Calculated Provision Based On Prior Methodology [Member] | Construction And Farmland [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	(118)
Calculated Provision Based On Prior Methodology [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	173
Calculated Provision Based On Prior Methodology [Member] | Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	(280)
Calculated Provision Based On Prior Methodology [Member] | Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	(457)
Calculated Provision Based On Prior Methodology [Member] | Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	28
Calculated Provision Based On Prior Methodology [Member] | All Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	19
Difference [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	383
Difference [Member] | Construction And Farmland [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	33
Difference [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	182
Difference [Member] | Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	133
Difference [Member] | Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	23
Difference [Member] | Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	11
Difference [Member] | All Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
(Recovery Of) Provision For Loan Losses	$ 1

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

Reference 1: 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 2: 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

Reference 3: 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

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