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Investment Securities (Details Textual) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Investments [Line Items]
Gross investment gains	$ 60,000		$ 183,000	$ 28,000
Gross investment losses		$ 36,000	6,000	36,000
Investment Securities:
Consolidated investment securities portfolio modified, years					34 months 6 days
Proceeds from sales of investment securities — available for sale	1,500,000	$ 1,900,000	8,966,000	$ 2,379,000
Book value of securities available for sale and held to maturity	$ 97,182,000		$ 97,182,000		$ 87,096,000
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	24		24
Standard & Poor's, AAA Rating [Member]
Investments [Line Items]
Portfolio rated	67.40%		67.40%		79.10%
Standard & Poor's, A Rating [Member]
Investments [Line Items]
Portfolio rated	8.20%		8.20%		5.70%
Investment Securities:
Consolidated investment securities portfolio modified, years			29 months 12 days
Maximum [Member]
Investment Securities:
Consolidated investment securities portfolio modified, years			42 months
Minimum [Member]
Investment Securities:
Consolidated investment securities portfolio modified, years			24 months

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- Definition

Carrying value of available for sale held to maturity and federal home loan bank.

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Investment securities.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562

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-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a),(b)
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