Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Acquired intangible assets
Gross Carrying Amount	$ 14,414	$ 14,414
Accumulated Amortization	(8,310)	(7,246)
Customer Relationships
Acquired intangible assets
Gross Carrying Amount	7,210	7,210
Accumulated Amortization	(5,341)	(4,919)
Non-compete contracts
Acquired intangible assets
Gross Carrying Amount	430	430
Accumulated Amortization	(379)	(376)
Trade Name
Acquired intangible assets
Gross Carrying Amount	520	520
Accumulated Amortization	(216)	(175)
Core Deposits
Acquired intangible assets
Gross Carrying Amount	6,254	6,254
Accumulated Amortization	$ (2,374)	$ (1,776)