Premises and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Depreciation	$ 1,600	$ 1,400
Property, Plant and Equipment [Line Items]
Gross premises and equipment	38,377	37,052
Less: Accumulated depreciation	(15,006)	(13,582)
Net premises and equipment	23,371	23,470
Land and buildings
Property, Plant and Equipment [Line Items]
Gross premises and equipment	25,214	25,155
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Gross premises and equipment	10,778	10,074
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross premises and equipment	$ 2,385	$ 1,823