Premises and Equipment - Premises and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Premises and equipment
Gross premises and equipment	$ 35,794	$ 39,062
Accumulated depreciation	(14,761)	(14,126)
Net premises and equipment	21,033	24,936
Land
Premises and equipment
Gross premises and equipment	3,936	3,936
Buildings and improvements
Premises and equipment
Gross premises and equipment	11,629	14,350
Furniture, fixtures and equipment
Premises and equipment
Gross premises and equipment	16,612	17,669
Construction in progress
Premises and equipment
Gross premises and equipment	538	28
Leasehold improvements
Premises and equipment
Gross premises and equipment	$ 3,079	$ 3,079