Loans and Allowance for Loan Losses, Outstanding Loan Balances Categorized by Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	$ 272,552	$ 265,788
Pass Grade 1-4 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	168,121	177,485
Special Mention Grade 5 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	1,461	1,481
Classified/Doubtful/Loss Grade 6-8 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	1,151	972
Commercial, Non-Real Estate [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	3,285	3,428
Commercial, Non-Real Estate [Member] | Pass Grade 1-4 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	3,285	3,382
Commercial, Non-Real Estate [Member] | Special Mention Grade 5 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	0	46
Commercial, Non-Real Estate [Member] | Classified/Doubtful/Loss Grade 6-8 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	0	0
Residential Real Estate [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	30,772	27,108
Residential Real Estate [Member] | Pass Grade 1-4 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	30,572	27,108
Residential Real Estate [Member] | Special Mention Grade 5 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	0	0
Residential Real Estate [Member] | Classified/Doubtful/Loss Grade 6-8 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	200	0
Commercial Real Estate [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	4,187	2,436
Commercial Real Estate [Member] | Pass Grade 1-4 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	4,187	2,436
Commercial Real Estate [Member] | Special Mention Grade 5 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	0	0
Commercial Real Estate [Member] | Classified/Doubtful/Loss Grade 6-8 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	0	0
Consumer [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	4,711	4,574
Consumer [Member] | Pass Grade 1-4 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	4,711	4,574
Consumer [Member] | Special Mention Grade 5 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	0	0
Consumer [Member] | Classified/Doubtful/Loss Grade 6-8 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	0	0
Strategic Program Loans [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	101,819	85,850
SBA [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	127,778	142,392
SBA [Member] | Pass Grade 1-4 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	125,366	139,985
SBA [Member] | Special Mention Grade 5 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	1,461	1,435
SBA [Member] | Classified/Doubtful/Loss Grade 6-8 [Member]
Loans and Leases Receivable, Net of Deferred Income [Abstract]
Total loans	$ 951	$ 972