Loans and Allowance for Loan Losses (Details 9) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Aging analysis of the recorded investment of past due loans
Total Past Due	$ 1,069	$ 1,185
Current	450,845	486,305
Total ending loans balance	451,914	487,490
30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	512	428
60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	5	123
90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	552	634
Commercial
Aging analysis of the recorded investment of past due loans
Total Past Due	56
Current	75,512	113,341
Total ending loans balance	75,568	113,341
Commercial \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	56
Commercial real estate
Aging analysis of the recorded investment of past due loans
Total Past Due	408	575
Current	283,898	282,560
Total ending loans balance	284,306	283,135
Commercial real estate \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	168	173
Commercial real estate \| 60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due		12
Commercial real estate \| 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	240	390
Residential real estate
Aging analysis of the recorded investment of past due loans
Total Past Due	464	485
Current	62,684	61,586
Total ending loans balance	63,148	62,071
Residential real estate \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	175	240
Residential real estate \| 60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	5	29
Residential real estate \| 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	284	216
Consumer \| Home equity
Aging analysis of the recorded investment of past due loans
Total Past Due	130	110
Current	25,368	25,908
Total ending loans balance	25,498	26,018
Consumer \| Home equity \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	102
Consumer \| Home equity \| 60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due		82
Consumer \| Home equity \| 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	28	28
Consumer \| Other
Aging analysis of the recorded investment of past due loans
Total Past Due	11	15
Current	3,383	2,910
Total ending loans balance	3,394	2,925
Consumer \| Other \| 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	$ 11	$ 15

Financing receivable recorded investment past due loans.

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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=84173941&loc=SL6953401-111524

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- Definition

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

+ References

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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=82891408&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=84173941&loc=d3e5074-111524

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