Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	$ 870,104	$ 871,866
Past Due	9,868	9,118
Total Loans	879,972	880,984
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	8,243	3,422
60-89 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	701	5,147
90 Days Past Due [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Past Due	924	549
Commercial [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	180,598	176,216
Past Due	917	4,850
Total Loans	181,515	181,066
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	427	489
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	243	4,361
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	247	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	420,538	421,247
Past Due	4,727	390
Total Loans	425,265	421,637
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	4,727	208
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	182
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	249,427	254,288
Past Due	4,138	3,649
Total Loans	253,565	257,937
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	3,005	2,658
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	456	442
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	677	549
Consumer [Member]
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans
Current	19,541	20,115
Past Due	86	229
Total Loans	19,627	20,344
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	84	67
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	2	162
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
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=49124121&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=49124121&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=28367877&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=49124121&loc=d3e5074-111524

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