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Fair Value Disclosures - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Securities available for sale
Securities available for sale	$ 336,423	$ 250,603
Equity securities
Equity securities	5,044	5,006
Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	336,423	250,603
Loans held for sale
Loans held for sale	2,106
Mutual Fund
Equity securities
Equity securities	5,044	5,006
Mutual Fund | Fair Value, Measurements, Recurring [Member]
Equity securities
Equity securities	5,044	5,006
US Government Agency Obligations [Member]
Securities available for sale
Securities available for sale	92,648	109,890
US Government Agency Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	92,648	109,890
U.S. Treasury Notes
Securities available for sale
Securities available for sale	1,932	1,934
U.S. Treasury Notes | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	1,932	1,934
Mortgage-backed Securities, Residential
Securities available for sale
Securities available for sale	39,736	33,663
Mortgage-backed Securities, Residential | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	39,736	33,663
Asset Backed Securities
Securities available for sale
Securities available for sale	10,145	11,845
Asset Backed Securities | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	10,145	11,845
State and Municipal
Securities available for sale
Securities available for sale	118,451	74,391
State and Municipal | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	118,451	74,391
Corporate Bonds
Securities available for sale
Securities available for sale	68,787	15,320
Corporate Bonds | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	68,787	15,320
SBA Pooled Securities
Securities available for sale
Securities available for sale	4,724	3,560
SBA Pooled Securities | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	4,724	3,560
ICC Contingent Consideration | Fair Value, Measurements, Recurring [Member]
Contingent Consideration
ICC Contingent consideration	20,745
Level 1 | Mutual Fund | Fair Value, Measurements, Recurring [Member]
Equity securities
Equity securities	5,044	5,006
Level 2 | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	336,423	250,603
Loans held for sale
Loans held for sale	2,106
Level 2 | US Government Agency Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	92,648	109,890
Level 2 | U.S. Treasury Notes | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	1,932	1,934
Level 2 | Mortgage-backed Securities, Residential | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	39,736	33,663
Level 2 | Asset Backed Securities | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	10,145	11,845
Level 2 | State and Municipal | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	118,451	74,391
Level 2 | Corporate Bonds | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	68,787	15,320
Level 2 | SBA Pooled Securities | Fair Value, Measurements, Recurring [Member]
Securities available for sale
Securities available for sale	4,724	$ 3,560
Level 3 | ICC Contingent Consideration | Fair Value, Measurements, Recurring [Member]
Contingent Consideration
ICC Contingent consideration	$ 20,745

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