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Investment Securities (Details Textual) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Investments [Line Items]
Gross investment gains	$ 63,000
Gross investment losses	6,000
Investment Securities:
Consolidated investment securities portfolio modified, years			34 months 6 days
Proceeds from sales of investment securities — available for sale	4,248,000	$ 0
Book value of securities available for sale and held to maturity	$ 99,376,000		$ 87,096,000
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	24
Standard & Poor's, AAA Rating [Member]
Investments [Line Items]
Portfolio rated	78.00%		79.10%
Standard & Poor's, A Rating [Member]
Investments [Line Items]
Portfolio rated	5.80%		5.70%
Investment Securities:
Consolidated investment securities portfolio modified, years	29 months 24 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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Carrying value of available for sale held to maturity and federal home loan bank.

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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=27724398&loc=d3e27290-111563

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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
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26853-111562

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
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