Fair Value Accounting (Details) - Fair Value on a Recurring Basis [Member] - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Securities available for sale
US government agencies	$ 8,634	$ 8,653
SBA securities	3,472	4,063
State and political subdivisions	8,372	11,396
Asset-backed securities	6,586
Mortgage-backed securities	39,822	43,491
Mortgage loans held for sale	9,298	11,790
Interest rate lock commitments	189	196
MBS forward sales commitments	54
Total assets measured at fair value on a recurring basis	76,427	79,589
Liabilities
MBS forward sales commitments		28
Total liabilities measured at fair value on a recurring basis		28
Level 1 [Member]
Securities available for sale
US government agencies
SBA securities
State and political subdivisions
Asset-backed securities
Mortgage-backed securities
Mortgage loans held for sale
Interest rate lock commitments
MBS forward sales commitments
Total assets measured at fair value on a recurring basis
Liabilities
MBS forward sales commitments
Total liabilities measured at fair value on a recurring basis
Level 2 [Member]
Securities available for sale
US government agencies	8,634	8,653
SBA securities	3,472	4,063
State and political subdivisions	8,372	11,396
Asset-backed securities	6,586
Mortgage-backed securities	39,822	43,491
Mortgage loans held for sale	9,298	11,790
Interest rate lock commitments	189	196
MBS forward sales commitments	54
Total assets measured at fair value on a recurring basis	76,427	79,589
Liabilities
MBS forward sales commitments		28
Total liabilities measured at fair value on a recurring basis		28
Level 3 [Member]
Securities available for sale
US government agencies
SBA securities
State and political subdivisions
Asset-backed securities
Mortgage-backed securities
Mortgage loans held for sale
Interest rate lock commitments
MBS forward sales commitments
Total assets measured at fair value on a recurring basis
Liabilities
MBS forward sales commitments
Total liabilities measured at fair value on a recurring basis

Asset-backed securities.

No definition available.

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- Definition

MBS forward sales commitments.

+ References

No definition available.

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- References

No definition available.

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- Definition

Securities Available for Sale, Fair value, SBA Securities.

+ References

No definition available.

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- Definition

Securities Available for Sale, Fair value, State and political subdivisions.

+ References

No definition available.

+ Details

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- Definition

Securities Available for Sale, Fair value, US agency securities.

+ References

No definition available.

+ Details

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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- Definition

Fair value of obligations incurred from short sales.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 35
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35711043&loc=d3e42429-110968

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- Definition

Fair value of financial and nonfinancial obligations.

+ References

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- References

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- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

No definition available.

+ Details

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- Definition

Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

+ References

No definition available.

+ Details

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