Securities Available for Sale - Schedule of Amortized Cost and Fair Value of Investment Securities Portfolio by Expected Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2022		Dec. 31, 2021
Schedule Of Available For Sale Securities [Line Items]
Due one year or less, amorized cost	$ 0
Due from one to five years, amortized cost	1,401
Due from five to ten years, amortized cost	2,731
Due after ten years, amortized cost	14,062
Total amortized cost	28,561		$ 20,962
Due one year or less, estimated fair value	0
Due from one to five years, estimated fair value	1,410
Due from five to ten years, estimated fair value	2,707
Due after ten years, estimated fair value	12,792
Total estimated fair value	27,090		21,313
Residential Mortgage Backed
Schedule Of Available For Sale Securities [Line Items]
Debt securities, available-for-sale, maturity, allocated and single maturity date, amortized cost	9,510
Debt securities, available-for-sale, maturity, allocated and single maturity date, estimated fair value	9,365
SBA guaranteed debenture
Schedule Of Available For Sale Securities [Line Items]
Debt securities, available-for-sale, maturity, allocated and single maturity date, amortized cost	857
Total amortized cost	857	[1]	1,120
Debt securities, available-for-sale, maturity, allocated and single maturity date, estimated fair value	816
Total estimated fair value	$ 816	[1]	$ 1,131

[1] Small Business Administration