Investments (Summary of Amortized Cost and Fair Value of Held to Maturity Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule of Investments [Line Items]
HTM securities	$ 1,297	$ 1,302
Unrealized Gains	114	57
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	0	0
Debt Securities, Held-to-maturity, Fair Value	1,411	1,359
Obligations of states and political subdivisions
Schedule of Investments [Line Items]
HTM securities	1,297	1,302
Unrealized Gains	114	57
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	0	0
Debt Securities, Held-to-maturity, Fair Value	$ 1,411	$ 1,359