Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	$ 888,295	$ 879,366
Past Due	8,548	4,398
Total Loans	896,843	883,764
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
Past Due	7,523	3,264
60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	617	637
90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	408	497
Commercial [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	169,208	171,292
Past Due	140	237
Total Loans	169,348	171,529
90 Days Past Due and Still Accruing	0	0
Commercial [Member] \| 30-59 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	140	237
Commercial [Member] \| 60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	0	0
Commercial [Member] \| 90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	0	0
Commercial loans secured by real estate [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	456,482	446,477
Past Due	4,535	121
Total Loans	461,017	446,598
90 Days Past Due and Still Accruing	0	0
Commercial loans secured by 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
Past Due	4,535	121
Commercial loans secured by 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
Past Due	0	0
Commercial loans secured by real estate [Member] \| 90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	0	0
Real estate - mortgage [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	243,120	241,802
Past Due	3,787	3,963
Total Loans	246,907	245,765
90 Days Past Due and Still Accruing	0	0
Real estate - mortgage [Member] \| 30-59 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	2,784	2,856
Real estate - mortgage [Member] \| 60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	595	610
Real estate - mortgage [Member] \| 90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	408	497
Consumer [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	19,485	19,795
Past Due	86	77
Total Loans	19,571	19,872
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
Past Due	64	50
Consumer [Member] \| 60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	22	27
Consumer [Member] \| 90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	$ 0	$ 0

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524

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- References

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- Definition

Financing receivables that are current.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524

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