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Loans and Allowance for Loan Losses (Details Textual) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Loans and Allowance for Loan Losses (Textual)
Net of deferred loan fees and costs	$ 2.2	$ 2.0
Part of loans of 30 days or more past due as a percentage of total loan portfolio	0.36%	0.55%
Commercial [Member]
Loans and Allowance for Loan Losses (Textual)
Part of loans of 30 days or more past due as a percentage of total loan portfolio	0.18%	0.38%
Consumer [Member]
Loans and Allowance for Loan Losses (Textual)
Part of loans of 30 days or more past due as a percentage of total loan portfolio	0.18%	0.17%

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- Definition

Loan and allowance for loan losses textual.

+ References

No definition available.

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- Definition

Part of loans of thirty days or more past due as a percentage of aggregate loan portfolio.

+ References

No definition available.

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- Definition

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for 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 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534

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

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=84165051&loc=d3e45377-112738

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