Securities - Securities By Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Available for sale at fair value:
Within one year, Amount	$ 204
After one through five years, Amount	1,079
After five through ten years, Amount	13,726
After ten years, Amount	17,801
Securities available for sale	$ 32,810	$ 45,617
Rolling maturity, Yield
Within one year, Yield	3.86%
After one through five years, Yield	3.08%
After five through ten years, Yield	4.34%
After ten years, Yield	2.22%
Total carrying value, Yield	3.15
Debt Securities, Held-to-maturity, Maturity, Fair Value, Rolling Maturity [Abstract]
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value	$ 2,000
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value	$ 2,000
Debt Securities, Held-to-maturity, Rolling Maturity, Weighted Average Yield [Abstract]
Debt Securities, Held-to-maturity, Maturity, Rolling after Ten Years, Weighted Average Yield	2.49%
Debt Securities Held To Maturity Rolling Maturity Weighted Average Yield	2.49%
Equity securities at fair value:
After ten years, Amount	$ 2,244
Estimated fair value	$ 2,244	1,954
After ten years, Yield	2.35%
Total carrying value, Yield	2.35%
U.S. Government sponsored entities
Available for sale at fair value:
Securities available for sale		2,003
Debt Securities, Held-to-maturity, Maturity, Fair Value, Rolling Maturity [Abstract]
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value	$ 2,000
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value	$ 2,000
Debt Securities, Held-to-maturity, Rolling Maturity, Weighted Average Yield [Abstract]
Debt Securities, Held-to-maturity, Maturity, Rolling after Ten Years, Weighted Average Yield	2.49%
Debt Securities Held To Maturity Rolling Maturity Weighted Average Yield	2.49%
State and political subdivisions
Available for sale at fair value:
Within one year, Amount	$ 201
After one through five years, Amount	627
After ten years, Amount	484
Securities available for sale	$ 1,312	2,969
Rolling maturity, Yield
Within one year, Yield	3.85%
After one through five years, Yield	3.23%
After ten years, Yield	2.74%
Total carrying value, Yield	3.14
Residential mortgage backed securities
Available for sale at fair value:
Within one year, Amount	$ 3
After one through five years, Amount	452
After five through ten years, Amount	1,286
After ten years, Amount	11,142
Securities available for sale	$ 12,883	17,410
Rolling maturity, Yield
Within one year, Yield	4.68%
After one through five years, Yield	2.88%
After five through ten years, Yield	2.25%
After ten years, Yield	1.89%
Total carrying value, Yield	1.96
Corporate and other securities
Available for sale at fair value:
After five through ten years, Amount	$ 12,440
After ten years, Amount	6,175
Securities available for sale	$ 18,615	$ 23,235
Rolling maturity, Yield
After five through ten years, Yield	4.56%
After ten years, Yield	2.79%
Total carrying value, Yield	3.70