Loans - Individually Evaluated Loans with Associated Allowance (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Unpaid principal balance
With no related allowance	$ 9,763	$ 15,291
With an allowance	9,252	6,412
Total individually evaluated loans	19,015	21,703
Recorded investment
with no related allowance	8,690	13,443
with an allowance	8,338	5,750
Total individually evaluated loans	17,028	19,193
Valuation allowance	1,136	995
SBA loans held for investment
Unpaid principal balance
With no related allowance	2,401	2,264
With an allowance	1,482	1,383
Total individually evaluated loans	3,883	3,647
Recorded investment
with no related allowance	2,323	2,186
with an allowance	1,357	1,258
Total individually evaluated loans	3,680	3,444
Valuation allowance	382	348
Commercial loans
Unpaid principal balance
With no related allowance	2,727	2,734
With an allowance	1,417	847
Total individually evaluated loans	4,144	3,581
Recorded investment
with no related allowance	1,755	1,607
with an allowance	660	341
Total individually evaluated loans	2,415	1,948
Valuation allowance	337	341
Commercial loans | Real Estate Loan [Member]
Unpaid principal balance
With no related allowance	2,727	2,734
With an allowance	699	209
Total individually evaluated loans	3,426	2,943
Recorded investment
with no related allowance	1,755	1,607
with an allowance	548	58
Total individually evaluated loans	2,303	1,665
Valuation allowance	225	58
Commercial loans | Commercial & industrial
Unpaid principal balance
With an allowance	718	638
Total individually evaluated loans	718	638
Recorded investment
with an allowance	112	283
Total individually evaluated loans	112	283
Valuation allowance	112	283
Residential mortgage loans
Unpaid principal balance
With no related allowance	3,706	7,146
With an allowance	3,772	4,182
Total individually evaluated loans	7,478	11,328
Recorded investment
with no related allowance	3,700	7,121
with an allowance	3,740	4,151
Total individually evaluated loans	7,440	11,272
Valuation allowance	300	306
Consumer loans
Unpaid principal balance
With no related allowance		390
Total individually evaluated loans		390
Recorded investment
with no related allowance		388
Total individually evaluated loans		388
Consumer loans | Home equity [Member]
Unpaid principal balance
With no related allowance	382	390
With an allowance	1
Total individually evaluated loans	383	390
Recorded investment
with no related allowance	365	388
with an allowance	1
Total individually evaluated loans	366	388
Valuation allowance	1
Residential construction loans
Unpaid principal balance
With no related allowance	547	2,757
With an allowance	2,580
Total individually evaluated loans	3,127	2,757
Recorded investment
with no related allowance	547	2,141
with an allowance	2,580
Total individually evaluated loans	3,127	$ 2,141
Valuation allowance	$ 116