Available-For-Sale Securities - Amortized Cost and Fair Value with Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Amortized cost and fair value of the available for sale investment securities portfolio
Amortized Cost	$ 45,847	$ 47,928
Gross Unrealized Gains	277	101
Gross Unrealized Losses	(497)	(931)
Fair value of securities	45,627	47,098
U. S. government agencies and government sponsored entities
Amortized cost and fair value of the available for sale investment securities portfolio
Amortized Cost	7,925	8,529
Gross Unrealized Gains	72	29
Gross Unrealized Losses	(34)	(118)
Fair value of securities	7,963	8,440
Agency mortgage-backed securities: residential
Amortized cost and fair value of the available for sale investment securities portfolio
Amortized Cost	19,655	20,640
Gross Unrealized Gains	74	15
Gross Unrealized Losses	(127)	(355)
Fair value of securities	19,602	20,300
State and municipal
Amortized cost and fair value of the available for sale investment securities portfolio
Amortized Cost	16,373	16,866
Gross Unrealized Gains	131	57
Gross Unrealized Losses	(82)	(195)
Fair value of securities	16,422	16,728
Trust preferred security
Amortized cost and fair value of the available for sale investment securities portfolio
Amortized Cost	1,894	1,893
Gross Unrealized Losses	(254)	(263)
Fair value of securities	$ 1,640	$ 1,630

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

+ References

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This item represents the cost of debt 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 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

Reference 2: 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)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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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