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Loans - Past-due Status of Loans by Class (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Schedule of Financing Receivables [Line Items]
Loans	$ 1,788,355	$ 1,647,649	$ 1,588,264
90+ Days & Accruing	76	32	104
30-59 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	1,031	1,548	467
60-89 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	643	543	877
90+ Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	1,473	2,254	2,076
All Past Due
Schedule of Financing Receivables [Line Items]
Loans	3,147	4,345	3,420
Current
Schedule of Financing Receivables [Line Items]
Loans	1,785,208	1,643,304	1,584,844
Commercial |    Real estate
Schedule of Financing Receivables [Line Items]
Loans	617,488	576,198	527,415
90+ Days & Accruing	0	0	0
Commercial |    Real estate | 30-59 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	249	75
Commercial |    Real estate | 60-89 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	6	0	0
Commercial |    Real estate | 90+ Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	191	191	191
Commercial |    Real estate | All Past Due
Schedule of Financing Receivables [Line Items]
Loans	197	440	266
Commercial |    Real estate | Current
Schedule of Financing Receivables [Line Items]
Loans	617,291	575,758	527,149
Commercial |    Construction
Schedule of Financing Receivables [Line Items]
Loans	128,927	79,365	65,794
90+ Days & Accruing	0	0	0
Commercial |    Construction | 30-59 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	12	13
Commercial |    Construction | 60-89 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	0	0
Commercial |    Construction | 90+ Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	12	16
Commercial |    Construction | All Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	24	29
Commercial |    Construction | Current
Schedule of Financing Receivables [Line Items]
Loans	128,927	79,341	65,765
Commercial |    Other
Schedule of Financing Receivables [Line Items]
Loans	275,714	264,570	298,747
90+ Days & Accruing	0	0	0
Commercial |    Other | 30-59 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	448	30	62
Commercial |    Other | 60-89 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	76	23	0
Commercial |    Other | 90+ Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	83	104	821
Commercial |    Other | All Past Due
Schedule of Financing Receivables [Line Items]
Loans	607	157	883
Commercial |    Other | Current
Schedule of Financing Receivables [Line Items]
Loans	275,107	264,413	297,864
Municipal
Schedule of Financing Receivables [Line Items]
Loans	46,835	48,362	41,079
90+ Days & Accruing	0	0	0
Municipal | 30-59 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	0	0
Municipal | 60-89 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	0	0
Municipal | 90+ Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	0	0
Municipal | All Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	0	0
Municipal | Current
Schedule of Financing Receivables [Line Items]
Loans	46,835	48,362	41,079
Residential |    Construction
Schedule of Financing Receivables [Line Items]
Loans	44,011	31,763	29,818
90+ Days & Accruing	0	0	0
Residential |    Construction | 30-59 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	0	0
Residential |    Construction | 60-89 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	0	0
Residential |    Construction | 90+ Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	0	0
Residential |    Construction | All Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	0	0
Residential |    Construction | Current
Schedule of Financing Receivables [Line Items]
Loans	44,011	31,763	29,818
Residential |    Term
Schedule of Financing Receivables [Line Items]
Loans	582,313	550,783	523,344
90+ Days & Accruing	72	0	0
Residential |    Term | 30-59 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	343	348	134
Residential |    Term | 60-89 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	497	169	773
Residential |    Term | 90+ Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	1,195	1,780	715
Residential |    Term | All Past Due
Schedule of Financing Receivables [Line Items]
Loans	2,035	2,297	1,622
Residential |    Term | Current
Schedule of Financing Receivables [Line Items]
Loans	580,278	548,486	521,722
Home equity line of credit
Schedule of Financing Receivables [Line Items]
Loans	71,711	73,632	77,709
90+ Days & Accruing	0	0	17
Home equity line of credit | 30-59 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	186	741	43
Home equity line of credit | 60-89 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	159	0
Home equity line of credit | 90+ Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	0	135	246
Home equity line of credit | All Past Due
Schedule of Financing Receivables [Line Items]
Loans	186	1,035	289
Home equity line of credit | Current
Schedule of Financing Receivables [Line Items]
Loans	71,525	72,597	77,420
Consumer
Schedule of Financing Receivables [Line Items]
Loans	21,356	22,976	24,358
90+ Days & Accruing	4	32	87
Consumer | 30-59 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	54	168	140
Consumer | 60-89 Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	64	192	104
Consumer | 90+ Days Past Due
Schedule of Financing Receivables [Line Items]
Loans	4	32	87
Consumer | All Past Due
Schedule of Financing Receivables [Line Items]
Loans	122	392	331
Consumer | Current
Schedule of Financing Receivables [Line Items]
Loans	$ 21,234	$ 22,584	$ 24,027

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