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Investment Securities (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Available for sale
Total investment securities available for sale, Amortized Cost	$ 78,580	$ 65,244
Total investment securities available for sale, Gross Unrealized Gains	358	163
Total investment securities available for sale, Gross Unrealized Losses	498	927
Available-for-sale securities, investment securities, Fair Value	78,440	64,480
US government agencies [Member]
Available for sale
Total investment securities available for sale, Amortized Cost	8,754	6,271
Total investment securities available for sale, Gross Unrealized Gains	14	1
Total investment securities available for sale, Gross Unrealized Losses	58	113
Available-for-sale securities, investment securities, Fair Value	8,710	6,159
SBA securities [Member]
Available for sale
Total investment securities available for sale, Amortized Cost	4,357	1,453
Total investment securities available for sale, Gross Unrealized Gains
Total investment securities available for sale, Gross Unrealized Losses	18	16
Available-for-sale securities, investment securities, Fair Value	4,339	1,437
State and political subdivisions [Member]
Available for sale
Total investment securities available for sale, Amortized Cost	20,088	20,625
Total investment securities available for sale, Gross Unrealized Gains	329	141
Total investment securities available for sale, Gross Unrealized Losses	60	292
Available-for-sale securities, investment securities, Fair Value	20,357	20,474
Mortgage-backed securities [Member]
Available for sale
Total investment securities available for sale, Amortized Cost	45,381	36,895
Total investment securities available for sale, Gross Unrealized Gains	15	21
Total investment securities available for sale, Gross Unrealized Losses	362	506
Available-for-sale securities, investment securities, Fair Value	$ 45,034	$ 36,410

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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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Amount of debt securities categorized neither as held-to-maturity nor trading.

+ 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=75030427&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 1
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 2
-Subparagraph (b)-(g)
-URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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