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Loans and Allowance for Loan Losses (Details 7) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Summary of key information for impaired loans
Unpaid Principal Balance	$ 12,682	$ 14,991
Impaired loans	12,013	12,572
Impaired loans with no related allowance for loan losses	7,344	6,344
Impaired loans with related allowance for loan losses	4,669	6,228
Related allowance for loan losses	1,438	2,014
Commercial [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	8,923	9,893
Impaired loans	8,308	8,089
Impaired loans with no related allowance for loan losses	5,247	3,429
Impaired loans with related allowance for loan losses	3,061	4,660
Related allowance for loan losses	992	1,528
Commercial [Member] | Owner occupied RE [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	2,791	2,827
Impaired loans	2,726	2,762
Impaired loans with no related allowance for loan losses	2,270	2,311
Impaired loans with related allowance for loan losses	456	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	4,512	3,321
Impaired loans	4,051	2,807
Impaired loans with no related allowance for loan losses	2,419	603
Impaired loans with related allowance for loan losses	1,632	2,204
Related allowance for loan losses	465	558
Commercial [Member] | Business [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	1,620	3,745
Impaired loans	1,531	2,520
Impaired loans with no related allowance for loan losses	558	515
Impaired loans with related allowance for loan losses	973	2,005
Related allowance for loan losses	452	895
Commercial [Member] | Construction [Member]
Summary of key information for impaired loans
Unpaid Principal Balance
Impaired loans
Impaired loans with no related allowance for loan losses
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	3,759	5,098
Impaired loans	3,705	4,483
Impaired loans with no related allowance for loan losses	2,097	2,915
Impaired loans with related allowance for loan losses	1,608	1,568
Related allowance for loan losses	446	486
Consumer [Member] | Other [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	147	170
Impaired loans	147	170
Impaired loans with no related allowance for loan losses
Impaired loans with related allowance for loan losses	147	170
Related allowance for loan losses	16	30
Consumer [Member] | Construction [Member]
Summary of key information for impaired loans
Unpaid Principal Balance
Impaired loans
Impaired loans with no related allowance for loan losses
Impaired loans with related allowance for loan losses
Related allowance for loan losses
Consumer [Member] | Real estate [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	2,727	2,993
Impaired loans	2,720	2,892
Impaired loans with no related allowance for loan losses	1,638	1,494
Impaired loans with related allowance for loan losses	1,082	1,398
Related allowance for loan losses	364	456
Consumer [Member] | Home equity [Member]
Summary of key information for impaired loans
Unpaid Principal Balance	885	1,935
Impaired loans	838	1,421
Impaired loans with no related allowance for loan losses	459	1,421
Impaired loans with related allowance for loan losses	379
Related allowance for loan losses	$ 66

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