Premises, Equipment and Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Premises and equipment
Total premises and equipment	$ 29,383	$ 24,318
Less: accumulated depreciation	15,678	14,270
Net premises and equipment	13,705	10,048
Depreciation expense	1,200	925
Land
Premises and equipment
Total premises and equipment	2,917	2,753
Buildings and improvements
Premises and equipment
Total premises and equipment	12,106	8,724
Furniture and equipment
Premises and equipment
Total premises and equipment	$ 14,360	$ 12,841