Allowance for Credit Losses - Financing Receivable and Allowance Element by Class (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	$ 23,999	$ 24,693	$ 24,030	$ 23,322	$ 23,465	$ 16,723
Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	245		264	266
General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	20,870		20,833	19,739
Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	2,884		2,933	3,317
Commercial | Real estate owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	5,119	5,253	4,633	4,511	4,719	6,116
Commercial | Real estate owner occupied | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	0		0	0
Commercial | Real estate owner occupied | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	4,484		3,891	3,731
Commercial | Real estate owner occupied | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	635		742	780
Commercial | Real estate non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	4,971	4,248	4,285	4,429	4,492	0
Commercial | Real estate non-owner occupied | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	0		0	0
Commercial | Real estate non-owner occupied | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	4,387		3,759	3,855
Commercial | Real estate non-owner occupied | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	584		526	574
Commercial | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	807	922	1,978	1,602	1,469	821
Commercial | Construction | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	0		0	0
Commercial | Construction | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	762		1,849	1,445
Commercial | Construction | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	45		129	157
Commercial | C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	4,662	5,021	5,001	4,797	4,721	3,097
Commercial | C&I | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	223		223	225
Commercial | C&I | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	3,872		4,238	3,909
Commercial | C&I | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	567		540	663
Commercial | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	1,262	1,567	1,318	1,277	1,312	0
Commercial | Multifamily | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	0		0	0
Commercial | Multifamily | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	1,129		1,237	1,184
Commercial | Multifamily | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	133		81	93
Commercial | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	613	428	0
Commercial | Agriculture | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	0
Commercial | Agriculture | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	462
Commercial | Agriculture | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	151
Municipal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	266	180	334	376	399	162
Municipal | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	0		0	0
Municipal | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	35		307	332
Municipal | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	231		27	44
Residential | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	425	587	618	576	609	199
Residential | Construction | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	0		0	0
Residential | Construction | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	411		642	602
Residential | Construction | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	14		(24)	(26)
Residential | Term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	5,051	5,560	4,991	4,886	4,831	2,559
Residential | Term | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	22		41	41
Residential | Term | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	4,593		4,224	4,020
Residential | Term | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	436		726	825
Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	663	744	626	617	635	1,029
Home Equity | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	0		0	0
Home Equity | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	584		469	442
Home Equity | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	79		157	175
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	160	$ 183	246	251	$ 278	$ 1,062
Consumer | Specific Reserves on Loans Evaluated Individually
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	0		0	0
Consumer | General Reserves on Loans Based on Historical Loss Experience
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	151		217	219
Consumer | Reserves for Qualitative Factors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Reserves	$ 9		$ 29	$ 32