Loans and Allowance for Loan Losses (Details 9) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Aging analysis of the recorded investment of past due loans
Total Past Due	$ 4,361	$ 7,109
Current	415,407	387,145
Total ending loan balance	419,768	394,254
Recorded Investment >90 Days and Accruing	0	0
30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	1,637	628
60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	138	1,728
90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	2,586	4,753
Commercial
Aging analysis of the recorded investment of past due loans
Total Past Due	377	1,374
Current	95,904	83,239
Total ending loan balance	96,281	84,613
Recorded Investment >90 Days and Accruing	0	0
Commercial \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	377	178
Commercial \| 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due		1,196
Commercial real estate
Aging analysis of the recorded investment of past due loans
Total Past Due	2,619	3,783
Current	236,073	233,354
Total ending loan balance	238,692	237,137
Recorded Investment >90 Days and Accruing	0	0
Commercial real estate \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	1,189	248
Commercial real estate \| 60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	83	1,480
Commercial real estate \| 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	1,347	2,055
Residential real estate
Aging analysis of the recorded investment of past due loans
Total Past Due	1,251	1,534
Current	55,757	43,880
Total ending loan balance	57,008	45,414
Recorded Investment >90 Days and Accruing	0	0
Residential real estate \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	58	163
Residential real estate \| 60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	9	131
Residential real estate \| 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	1,184	1,240
Consumer \| Home equity
Aging analysis of the recorded investment of past due loans
Total Past Due	101	408
Current	24,960	22,926
Total ending loan balance	25,061	23,334
Recorded Investment >90 Days and Accruing	0	0
Consumer \| Home equity \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due		29
Consumer \| Home equity \| 60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	46	117
Consumer \| Home equity \| 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	55	262
Consumer \| Other
Aging analysis of the recorded investment of past due loans
Total Past Due	13	10
Current	2,713	3,746
Total ending loan balance	2,726	3,756
Recorded Investment >90 Days and Accruing	0	0
Consumer \| Other \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	$ 13	$ 10

Financing receivable recorded investment past due loans.

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- Definition

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

+ 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 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524

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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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Recorded Investment in financing receivables that are past due at the balance sheet date.

+ 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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- Definition

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

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-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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