Loans - Impaired Loans with Associated Allowance (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Unpaid principal balance
With no related allowance	$ 5,920	$ 6,646
With an allowance	7,115	6,385
Total individually evaluated impaired loans	13,035	13,031
Recorded investment
With no related allowance	4,650	6,545
With an allowance	5,934	5,206
Total individually evaluated impaired loans	10,584	11,751
Specific reserves	1,779	2,823
SBA loans held for investment
Unpaid principal balance
With no related allowance	687	606
With an allowance	316	35
Total individually evaluated impaired loans	1,003	641
Recorded investment
With no related allowance	399	506
With an allowance	291	4
Total individually evaluated impaired loans	690	510
Specific reserves	115	4
Commercial loans
Unpaid principal balance
With no related allowance	3,179	1,564
With an allowance	2,022	3,805
Total individually evaluated impaired loans	5,201	5,369
Recorded investment
With no related allowance	2,229	1,563
With an allowance	872	2,657
Total individually evaluated impaired loans	3,101	4,220
Specific reserves	516	2,615
Commercial loans | Real Estate Loan [Member]
Unpaid principal balance
With no related allowance	3,169	1,493
With an allowance		973
Total individually evaluated impaired loans	3,169	2,466
Recorded investment
With no related allowance	2,219	1,493
With an allowance		126
Total individually evaluated impaired loans	2,219	1,619
Specific reserves		125
Commercial loans | Consumer other
Unpaid principal balance
With no related allowance	10	71
With an allowance	2,022	2,832
Total individually evaluated impaired loans	2,032	2,903
Recorded investment
With no related allowance	10	70
With an allowance	872	2,531
Total individually evaluated impaired loans	882	2,601
Specific reserves	516	2,490
Residential mortgage loans
Unpaid principal balance
With no related allowance	2,054	1,630
With an allowance	1,345	1,632
Total individually evaluated impaired loans	3,399	3,262
Recorded investment
With no related allowance	2,022	1,630
With an allowance	1,339	1,632
Total individually evaluated impaired loans	3,361	3,262
Specific reserves	36	80
Consumer loans | Home equity
Unpaid principal balance
With no related allowance		210
With an allowance		427
Total individually evaluated impaired loans		637
Recorded investment
With no related allowance		210
With an allowance		427
Total individually evaluated impaired loans		637
Specific reserves		56
Residential construction loans
Unpaid principal balance
With no related allowance		2,636
With an allowance	3,432	486
Total individually evaluated impaired loans	3,432	3,122
Recorded investment
With no related allowance		2,636
With an allowance	3,432	486
Total individually evaluated impaired loans	3,432	3,122
Specific reserves	$ 1,112	$ 68