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Securities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Summary of amortized cost and approximate fair values of securities
Amortized Cost	$ 96,026	$ 88,805
Gross Unrealized Gains	2,013	1,411
Gross Unrealized Losses	(49)	(427)
Fair Value	97,990	89,789
U.S. Treasury and Government agencies [Member]
Summary of amortized cost and approximate fair values of securities
Amortized Cost	11,917	10,804
Gross Unrealized Gains	$ 145	$ 101
Gross Unrealized Losses
Fair Value	$ 12,062	$ 10,905
Mortgage-backed securities [Member]
Summary of amortized cost and approximate fair values of securities
Amortized Cost	68,486	61,459
Gross Unrealized Gains	896	311
Gross Unrealized Losses	(44)	(427)
Fair Value	69,338	61,343
State and political subdivisions [Member]
Summary of amortized cost and approximate fair values of securities
Amortized Cost	15,600	16,519
Gross Unrealized Gains	972	$ 999
Gross Unrealized Losses	(5)
Fair Value	16,567	$ 17,518
Equity securities [Member]
Summary of amortized cost and approximate fair values of securities
Amortized Cost	$ 23	$ 23
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value	$ 23	$ 23

X

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 2
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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563

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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
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