Fair Value Measurements - Recurring Basis (Details) - Measured on a recurring basis - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Securities available for sale:
Total securities available for sale	$ 104,652	$ 106,256
Obligations of U.S. Government agencies
Securities available for sale:
Total securities available for sale	5,966	10,312
Obligations of States and political subdivisions
Securities available for sale:
Total securities available for sale	35,388	34,558
Mortgage-backed securities
Securities available for sale:
Total securities available for sale	58,319	56,421
Subordinated debt investments
Securities available for sale:
Total securities available for sale	3,013	3,030
Equity securities
Securities available for sale:
Total securities available for sale	1,966	1,935
Level 2
Securities available for sale:
Total securities available for sale	104,652	106,256
Level 2 | Obligations of U.S. Government agencies
Securities available for sale:
Total securities available for sale	5,966	10,312
Level 2 | Obligations of States and political subdivisions
Securities available for sale:
Total securities available for sale	35,388	34,558
Level 2 | Mortgage-backed securities
Securities available for sale:
Total securities available for sale	58,319	56,421
Level 2 | Subordinated debt investments
Securities available for sale:
Total securities available for sale	3,013	3,030
Level 2 | Equity securities
Securities available for sale:
Total securities available for sale	$ 1,966	$ 1,935