Premises and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Total Premises and Equipment	$ 59,948	$ 57,322
Accumulated depreciation and amortization	(20,858)	(19,455)
Total Premises and Equipment, Net	39,090	37,867
Land
Property, Plant and Equipment [Line Items]
Total Premises and Equipment	5,137	2,562
Furniture and equipment
Property, Plant and Equipment [Line Items]
Total Premises and Equipment	10,917	8,323
Tenant improvements
Property, Plant and Equipment [Line Items]
Total Premises and Equipment	$ 8,268	8,323
Buildings
Property, Plant and Equipment [Line Items]
Premises and equipment, useful life	39 years
Total Premises and Equipment	$ 35,626	$ 38,114
Minimum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment, useful life	3 years
Minimum | Tenant improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, useful life	2 years
Maximum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment, useful life	7 years
Maximum | Tenant improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, useful life	15 years