Securities - Securities By Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Available for sale at fair value:
Within one year, Amount	$ 212
After one through five years, Amount	3,020
After five through ten years, Amount	15,623
After ten years, Amount	59,023
Securities available for sale	$ 77,878	$ 56,480
Available for sale, Rolling maturity, Yield
Within one year, Yield	3.80%
After one through five years, Yield	4.99%
After five through ten years, Yield	4.65%
After ten years, Yield	2.32%
Total carrying value, Yield	2.90
Held to maturity at cost
After ten years, Amount	$ 30,367
Securities held to maturity	$ 30,367
Held to maturity, Rolling maturity, Yield
After ten years, Yield	3.12%
Total carrying value, Yield	3.12%
Equity securities at fair value:
After ten years, Amount	$ 8,009
Estimated fair value	$ 8,009	8,566
After ten years, Yield	2.35%
Total carrying value, Yield	2.35%
U.S. Government sponsored entities
Available for sale at fair value:
After ten years, Amount	$ 5,000
Securities available for sale	5,000
Held to maturity at cost
After ten years, Amount	21,000
Securities held to maturity	$ 21,000
Held to maturity, Rolling maturity, Yield
After ten years, Yield	2.97%
Total carrying value, Yield	2.97%
State and political subdivisions
Available for sale at fair value:
Within one year, Amount	$ 200
After one through five years, Amount	416
After ten years, Amount	331
Securities available for sale	$ 947	994
Available for sale, Rolling maturity, Yield
Within one year, Yield	3.89%
After one through five years, Yield	2.91%
After ten years, Yield	2.75%
Total carrying value, Yield	3.06
Residential mortgage-backed securities
Available for sale at fair value:
Within one year, Amount	$ 12
After one through five years, Amount	647
After five through ten years, Amount	511
After ten years, Amount	13,317
Securities available for sale	$ 14,487	9,749
Available for sale, Rolling maturity, Yield
Within one year, Yield	2.26%
After one through five years, Yield	2.51%
After five through ten years, Yield	2.48%
After ten years, Yield	3.17%
Total carrying value, Yield	3.11
Held to maturity at cost
After ten years, Amount	$ 9,367
Securities held to maturity	$ 9,367
Held to maturity, Rolling maturity, Yield
After ten years, Yield	3.46%
Total carrying value, Yield	3.46%
Corporate and other securities
Available for sale at fair value:
After one through five years, Amount	$ 1,957
After five through ten years, Amount	15,112
After ten years, Amount	40,375
Securities available for sale	$ 57,444	$ 45,737
Available for sale, Rolling maturity, Yield
After one through five years, Yield	6.25%
After five through ten years, Yield	4.73%
After ten years, Yield	2.33%
Total carrying value, Yield	3.09