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Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	$ 887,379	$ 879,558
Total Past Due	4,128	10,075
Total loans	891,507	889,633
90 Days Past Due and Still Accruing	0	0
30-59 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	2,892	7,687
60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	384	1,250
90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	852	1,138
Commercial and Industrial [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	168,365	159,181
Total Past Due	0	11
Total loans	168,365	159,192
90 Days Past Due and Still Accruing	0	0
Commercial and Industrial [Member] | 30-59 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	0	0
Commercial and Industrial [Member] | 60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	0	0
Commercial and Industrial [Member] | 90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	0	11
Commercial loans secured by owner occupied real estate [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	91,170	89,649
Total Past Due	0	286
Total loans	91,170	89,935
90 Days Past Due and Still Accruing	0	0
Commercial loans secured by owner occupied real estate [Member] | 30-59 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	0	0
Commercial loans secured by owner occupied real estate [Member] | 60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	0	0
Commercial loans secured by owner occupied real estate [Member] | 90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	0	286
Commercial loans secured by non-owner occupied real estate [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	370,773	368,073
Total Past Due	81	5,772
Total loans	370,854	373,845
90 Days Past Due and Still Accruing	0	0
Commercial loans secured by non-owner occupied real estate [Member] | 30-59 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	81	5,238
Commercial loans secured by non-owner occupied real estate [Member] | 60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	0	534
Commercial loans secured by non-owner occupied real estate [Member] | 90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	0	0
Real estate-residential mortgage [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	239,471	243,393
Total Past Due	3,996	3,885
Total loans	243,467	247,278
90 Days Past Due and Still Accruing	0	0
Real estate-residential mortgage [Member] | 30-59 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	2,773	2,373
Real estate-residential mortgage [Member] | 60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	371	671
Real estate-residential mortgage [Member] | 90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	852	841
Consumer [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	17,600	19,262
Total Past Due	51	121
Total loans	17,651	19,383
90 Days Past Due and Still Accruing	0	0
Consumer [Member] | 30-59 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	38	76
Consumer [Member] | 60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	13	45
Consumer [Member] | 90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Total Past Due	$ 0	$ 0

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Recorded investment in financing receivables that are 90 days or more past due and still accruing.

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