Premises and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total premises and equipment	$ 24,394		$ 24,394		$ 21,332
Less: Accumulated depreciation	8,748		8,748		7,494
Net premises and equipment	15,646		15,646		13,838
Depreciation expenses	426	$ 326	1,259	$ 986
Operating lease, rent expense	450	$ 307	1,400	$ 840
Land
Property, Plant and Equipment [Line Items]
Total premises and equipment	3,514		3,514		2,254
Buildings
Property, Plant and Equipment [Line Items]
Total premises and equipment	10,656		10,656		9,825
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total premises and equipment	2,993		2,993		2,714
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Total premises and equipment	$ 7,231		$ 7,231		$ 6,539