Premises and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 93,706	$ 90,482
Accumulated depreciation and amortization	34,215	31,365
Total	59,491	59,117
Depreciation Expense	3,600	3,000	$ 2,700
Land
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	14,734	14,734
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	52,542	52,129
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	22,051	19,718
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	3,582	3,580
Construction in progress
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 797	$ 321