Deposits - Additional Information (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Additional Information
CDARS - money market and time deposits	$ 28,847	$ 14,898
Interest-bearing demand deposits	12,885	8,747
Money market accounts under CDARS program	2,171	3,366
Time deposits under CDARS program	13,791	2,785
Deposits from executive officers, directors, and their affiliates	$ 12,636	$ 21,752