Securities - Available for sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Available for sale debt and equity securities
Amortized Cost	$ 216,650	$ 218,168
Gross Unrealized Gains	926	2,164
Gross Unrealized Losses	(2,666)	(1,356)
Fair Value	214,910	218,976
U.S. government agencies and corporations
Available for sale debt and equity securities
Amortized Cost	18,008	16,514
Gross Unrealized Gains	1
Gross Unrealized Losses	(536)	(341)
Fair Value	17,473	16,173
Mortgage-backed securities
Available for sale debt and equity securities
Amortized Cost	106,787	97,677
Gross Unrealized Gains	85	142
Gross Unrealized Losses	(1,889)	(761)
Fair Value	104,983	97,058
Obligations of states and political subdivisions
Available for sale debt and equity securities
Amortized Cost	91,855	103,977
Gross Unrealized Gains	840	2,022
Gross Unrealized Losses	(241)	(254)
Fair Value	$ 92,454	$ 105,745

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
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-Subparagraph (c)
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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562

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