Allowance for Loan Losses Allowance for Loan Losses (Details 4) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Financing Receivable Portfolio Segment [Domain]
Financing Receivable, Modifications [Line Items]
Added	$ 268	$ 105	$ 436	$ 273
Charged Off	(55)	(131)	(111)	(207)
Payments	(387)	(328)	(906)	(771)
Commercial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Beginning Balance	3,302	3,529	3,386	3,584
Added	0	0	0	0
Charged Off	0	0	0	0
Payments	(241)	(76)	(325)	(131)
Ending Balance	3,061	3,453	3,061	3,453
Residential Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Beginning Balance	4,068	5,285	4,447	5,593
Added	227	43	227	123
Charged Off	(7)	(125)	(40)	(181)
Payments	(90)	(170)	(436)	(502)
Ending Balance	4,198	5,033	4,198	5,033
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Beginning Balance	788	695	732	683
Added	41	62	209	150
Charged Off	(48)	(6)	(71)	(26)
Payments	(56)	(82)	(145)	(138)
Ending Balance	$ 725	$ 669	$ 725	$ 669

Financing Receivable, Impaired, Troubled Debt Restructuring, Additions During Period

No definition available.

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- Definition

Financing Receivable, Impaired, Troubled Debt Restructuring, Payments During Period

+ References

No definition available.

+ Details

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- 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.

+ Details

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554

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- Definition

Reflects the amount of the write-down related to a troubled debt restructuring.

+ References

+ Details

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