Fair Value Disclosures - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Securities available for sale
Securities available for sale	$ 355,981	$ 250,603
Equity securities
Equity securities	4,981	5,006
Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	355,981	250,603
Loans held for sale
Loans held for sale	683
Mutual Fund
Equity securities
Equity securities	4,981	5,006
Mutual Fund \| Fair Value, Measurements, Recurring [Member]
Equity securities
Equity securities	4,981	5,006
US Government Agency Obligations [Member]
Securities available for sale
Securities available for sale	94,774	109,890
US Government Agency Obligations [Member] \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	94,774	109,890
U.S. Treasury Notes
Securities available for sale
Securities available for sale	1,905	1,934
U.S. Treasury Notes \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	1,905	1,934
Mortgage-backed Securities, Residential
Securities available for sale
Securities available for sale	30,581	33,663
Mortgage-backed Securities, Residential \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	30,581	33,663
Asset Backed Securities
Securities available for sale
Securities available for sale	10,805	11,845
Asset Backed Securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	10,805	11,845
State and Municipal
Securities available for sale
Securities available for sale	144,062	74,391
State and Municipal \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	144,062	74,391
Corporate Bonds
Securities available for sale
Securities available for sale	68,986	15,320
Corporate Bonds \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	68,986	15,320
SBA Pooled Securities
Securities available for sale
Securities available for sale	4,868	3,560
SBA Pooled Securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	4,868	3,560
Level 1 \| Mutual Fund \| Fair Value, Measurements, Recurring [Member]
Equity securities
Equity securities	4,981	5,006
Level 2 \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	355,981	250,603
Loans held for sale
Loans held for sale	683
Level 2 \| US Government Agency Obligations [Member] \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	94,774	109,890
Level 2 \| U.S. Treasury Notes \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	1,905	1,934
Level 2 \| Mortgage-backed Securities, Residential \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	30,581	33,663
Level 2 \| Asset Backed Securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	10,805	11,845
Level 2 \| State and Municipal \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	144,062	74,391
Level 2 \| Corporate Bonds \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	68,986	15,320
Level 2 \| SBA Pooled Securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	$ 4,868	$ 3,560

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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)
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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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