Loans and Allowance for Credit Losses - Aging of Contractually Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Loans	$ 1,377,387	$ 1,413,886
Greater Than 90 Days Past Due Still Accruing	0	0
Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	4,373	3,888
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	698	218
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	166	51
Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	3,509	3,619
Current
Financing Receivable, Past Due [Line Items]
Loans	1,373,014	1,409,998
Commercial & industrial loans
Financing Receivable, Past Due [Line Items]
Loans	404,789	448,338
Greater Than 90 Days Past Due Still Accruing	0	0
Commercial & industrial loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	889	726
Commercial & industrial loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	305	206
Commercial & industrial loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	166	51
Commercial & industrial loans | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	418	469
Commercial & industrial loans | Current
Financing Receivable, Past Due [Line Items]
Loans	403,900	447,612
Commercial real estate | Owner occupied properties
Financing Receivable, Past Due [Line Items]
Loans	304,595	300,200
Greater Than 90 Days Past Due Still Accruing	0	0
Commercial real estate | Owner occupied properties | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,128	1,188
Commercial real estate | Owner occupied properties | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	8	12
Commercial real estate | Owner occupied properties | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Owner occupied properties | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,120	1,176
Commercial real estate | Owner occupied properties | Current
Financing Receivable, Past Due [Line Items]
Loans	303,467	299,012
Commercial real estate | Non-owner occupied and multifamily properties
Financing Receivable, Past Due [Line Items]
Loans	428,618	435,311
Greater Than 90 Days Past Due Still Accruing	0	0
Commercial real estate | Non-owner occupied and multifamily properties | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	283	0
Commercial real estate | Non-owner occupied and multifamily properties | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	283	0
Commercial real estate | Non-owner occupied and multifamily properties | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Non-owner occupied and multifamily properties | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Non-owner occupied and multifamily properties | Current
Financing Receivable, Past Due [Line Items]
Loans	428,335	435,311
Residential real estate | 1-4 family residential properties secured by first liens
Financing Receivable, Past Due [Line Items]
Loans	31,241	32,542
Greater Than 90 Days Past Due Still Accruing	0	0
Residential real estate | 1-4 family residential properties secured by first liens | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	159	90
Residential real estate | 1-4 family residential properties secured by first liens | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	69	0
Residential real estate | 1-4 family residential properties secured by first liens | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | 1-4 family residential properties secured by first liens | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	90	90
Residential real estate | 1-4 family residential properties secured by first liens | Current
Financing Receivable, Past Due [Line Items]
Loans	31,082	32,452
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens
Financing Receivable, Past Due [Line Items]
Loans	19,523	19,610
Greater Than 90 Days Past Due Still Accruing	0	0
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	158	139
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	22	0
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	136	139
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Current
Financing Receivable, Past Due [Line Items]
Loans	19,365	19,471
Residential real estate | 1-4 family residential construction loans
Financing Receivable, Past Due [Line Items]
Loans	38,836	36,222
Greater Than 90 Days Past Due Still Accruing	0	0
Residential real estate | 1-4 family residential construction loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	109	109
Residential real estate | 1-4 family residential construction loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | 1-4 family residential construction loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | 1-4 family residential construction loans | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	109	109
Residential real estate | 1-4 family residential construction loans | Current
Financing Receivable, Past Due [Line Items]
Loans	38,727	36,113
Other construction, land development and raw land loans
Financing Receivable, Past Due [Line Items]
Loans	91,328	88,094
Greater Than 90 Days Past Due Still Accruing	0	0
Other construction, land development and raw land loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,636	1,636
Other construction, land development and raw land loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Other construction, land development and raw land loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Other construction, land development and raw land loans | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,636	1,636
Other construction, land development and raw land loans | Current
Financing Receivable, Past Due [Line Items]
Loans	89,692	86,458
Obligations of states and political subdivisions in the US
Financing Receivable, Past Due [Line Items]
Loans	20,938	16,403
Greater Than 90 Days Past Due Still Accruing	0	0
Obligations of states and political subdivisions in the US | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Obligations of states and political subdivisions in the US | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Obligations of states and political subdivisions in the US | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Obligations of states and political subdivisions in the US | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Obligations of states and political subdivisions in the US | Current
Financing Receivable, Past Due [Line Items]
Loans	20,938	16,403
Agricultural production, including commercial fishing
Financing Receivable, Past Due [Line Items]
Loans	29,217	27,959
Greater Than 90 Days Past Due Still Accruing	0	0
Agricultural production, including commercial fishing | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Agricultural production, including commercial fishing | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Agricultural production, including commercial fishing | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Agricultural production, including commercial fishing | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Agricultural production, including commercial fishing | Current
Financing Receivable, Past Due [Line Items]
Loans	29,217	27,959
Consumer loans
Financing Receivable, Past Due [Line Items]
Loans	4,618	4,801
Greater Than 90 Days Past Due Still Accruing	0	0
Consumer loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	11	0
Consumer loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	11	0
Consumer loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer loans | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer loans | Current
Financing Receivable, Past Due [Line Items]
Loans	4,607	4,801
Other loans
Financing Receivable, Past Due [Line Items]
Loans	3,684	4,406
Greater Than 90 Days Past Due Still Accruing	0	0
Other loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Other loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Other loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Other loans | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Other loans | Current
Financing Receivable, Past Due [Line Items]
Loans	$ 3,684	$ 4,406