Loans and Allowance for Loan Losses (Details 7) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Summary of key information for impaired loans
Unpaid Principal Balance	$ 13,650	$ 14,991
Impaired loans	12,888	12,572
Impaired loans with related allowance for loan losses	5,908	6,228
Related allowance for loan losses	2,094	2,014
Commercial [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	9,035	9,893
Impaired loans	8,319	8,089
Impaired loans with related allowance for loan losses	4,220	4,660
Related allowance for loan losses	1,567	1,528
Commercial [Member] \| Owner occupied RE [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	2,816	2,827
Impaired loans	2,751	2,762
Impaired loans with related allowance for loan losses	449	451
Related allowance for loan losses	75	75
Commercial [Member] \| Non-owner occupied RE [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	2,977	3,321
Impaired loans	2,953	2,807
Impaired loans with related allowance for loan losses	1,773	2,204
Related allowance for loan losses	546	558
Commercial [Member] \| Business [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	3,242	3,745
Impaired loans	2,615	2,520
Impaired loans with related allowance for loan losses	1,998	2,005
Related allowance for loan losses	946	895
Commercial [Member] \| Construction [Member]
Summary of key information for impaired loans
Unpaid Principal Balance
Impaired loans
Impaired loans with related allowance for loan losses
Related allowance for loan losses
Consumer [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	4,615	5,098
Impaired loans	4,569	4,483
Impaired loans with related allowance for loan losses	1,688	1,568
Related allowance for loan losses	527	486
Consumer [Member] \| Other [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	156	170
Impaired loans	156	170
Impaired loans with related allowance for loan losses	156	170
Related allowance for loan losses	18	30
Consumer [Member] \| Real estate [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	2,755	2,993
Impaired loans	2,748	2,892
Impaired loans with related allowance for loan losses	1,264	1,398
Related allowance for loan losses	414	456
Consumer [Member] \| Home equity [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	1,704	1,935
Impaired loans	1,665	1,421
Impaired loans with related allowance for loan losses	268
Related allowance for loan losses	95
Consumer [Member] \| Construction [Member]
Summary of key information for impaired loans
Unpaid Principal Balance
Impaired loans
Impaired loans with related allowance for loan losses
Related allowance for loan losses

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

+ References

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