Loans and Allowance for Credit Losses - Portfolio of Risk-rated Loans by Grade and by Year of Origination (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
2022	$ 488,572	$ 506,970
2021	317,745	264,877
2020	219,058	157,720
2019	117,187	100,277
2018	51,825	74,031
Prior	307,398	310,011
Loans, total	1,501,785	1,413,886
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	488,435	487,700
2021	312,866	261,687
2020	218,661	153,684
2019	116,822	95,818
2018	48,233	63,119
Prior	289,603	296,998
Loans, total	1,474,620	1,359,006
Pass | Government guarantees
Financing Receivable, Credit Quality Indicator [Line Items]
2022	25,172	145,713
2021	36,531	12,725
2020	9,751	14,429
2019	12,885	3,299
2018	2,964	306
Prior	5,314	6,562
Loans, total	92,617	183,034
Pass | Net of government guarantees
Financing Receivable, Credit Quality Indicator [Line Items]
2022	463,263	341,987
2021	276,335	248,962
2020	208,910	139,255
2019	103,937	92,519
2018	45,269	62,813
Prior	284,289	290,436
Loans, total	1,382,003	1,175,972
Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	137	19,270
2021	4,879	3,190
2020	397	4,036
2019	365	4,459
2018	3,592	10,912
Prior	17,795	13,013
Loans, total	27,165	54,880
Classified | Government guarantees
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	7,201
2021	4,396	1,259
2020	1,135	0
2019	0	0
2018	0	0
Prior	9,293	10,571
Loans, total	14,824	19,031
Classified | Net of government guarantees
Financing Receivable, Credit Quality Indicator [Line Items]
2022	137	12,069
2021	483	1,931
2020	(738)	4,036
2019	365	4,459
2018	3,592	10,912
Prior	8,502	2,442
Loans, total	12,341	35,849
Commercial & industrial loans
Financing Receivable, Credit Quality Indicator [Line Items]
2022	157,692	246,229
2021	91,422	55,192
2020	37,544	33,410
2019	17,972	40,457
2018	12,581	23,722
Prior	40,917	49,328
Loans, total	358,128	448,338
Commercial & industrial loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	157,555	227,376
2021	86,543	54,478
2020	37,147	29,846
2019	17,881	37,339
2018	9,844	23,205
Prior	40,571	44,554
Loans, total	349,541	416,798
Commercial & industrial loans | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	137	18,853
2021	4,879	714
2020	397	3,564
2019	91	3,118
2018	2,737	517
Prior	346	4,774
Loans, total	8,587	31,540
Commercial real estate | Owner occupied properties
Financing Receivable, Credit Quality Indicator [Line Items]
2022	66,955	81,533
2021	70,777	85,374
2020	90,496	39,254
2019	32,564	15,363
2018	13,398	14,452
Prior	75,783	64,224
Loans, total	349,973	300,200
Commercial real estate | Owner occupied properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	66,955	81,533
2021	70,777	83,975
2020	90,496	39,254
2019	32,564	14,841
2018	13,233	14,452
Prior	69,701	57,717
Loans, total	343,726	291,772
Commercial real estate | Owner occupied properties | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	0
2021	0	1,399
2020	0	0
2019	0	522
2018	165	0
Prior	6,082	6,507
Loans, total	6,247	8,428
Commercial real estate | Non-owner occupied and multifamily properties
Financing Receivable, Credit Quality Indicator [Line Items]
2022	94,412	77,205
2021	82,352	77,961
2020	71,407	61,147
2019	58,307	34,317
2018	16,908	30,119
Prior	158,884	154,562
Loans, total	482,270	435,311
Commercial real estate | Non-owner occupied and multifamily properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	94,412	77,205
2021	82,352	77,961
2020	71,407	61,147
2019	58,033	34,307
2018	16,905	19,833
Prior	149,223	154,561
Loans, total	472,332	425,014
Commercial real estate | Non-owner occupied and multifamily properties | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	0
2021	0	0
2020	0	0
2019	274	10
2018	3	10,286
Prior	9,661	1
Loans, total	9,938	10,297
Residential real estate | 1-4 family residential properties secured by first liens
Financing Receivable, Credit Quality Indicator [Line Items]
2022	52,117	8,173
2021	5,088	9,100
2020	6,001	4,161
2019	2,535	621
2018	541	1,466
Prior	7,099	9,021
Loans, total	73,381	32,542
Residential real estate | 1-4 family residential properties secured by first liens | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	52,117	7,756
2021	5,088	8,023
2020	6,001	3,689
2019	2,535	531
2018	462	1,466
Prior	6,968	8,812
Loans, total	73,171	30,277
Residential real estate | 1-4 family residential properties secured by first liens | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	417
2021		1,077
2020	0	472
2019	0	90
2018	79	0
Prior	131	209
Loans, total	210	2,265
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens
Financing Receivable, Credit Quality Indicator [Line Items]
2022	6,992	5,806
2021	3,376	2,535
2020	2,041	3,229
2019	2,763	3,723
2018	3,020	259
Prior	2,067	4,058
Loans, total	20,259	19,610
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	6,992	5,806
2021	3,376	2,535
2020	2,041	3,229
2019	2,763	3,464
2018	2,781	259
Prior	2,060	4,046
Loans, total	20,013	19,339
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	0
2021	0	0
2020	0	0
2019	0	259
2018	239	0
Prior	7	12
Loans, total	246	271
Residential real estate | 1-4 family residential construction loans
Financing Receivable, Credit Quality Indicator [Line Items]
2022	26,860	21,409
2021	3,897	1,056
2020	61	1,707
2019	0	62
2018	0	109
Prior	13,182	11,879
Loans, total	44,000	36,222
Residential real estate | 1-4 family residential construction loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	26,860	21,409
2021	3,897	1,056
2020	61	1,707
2019	0	62
2018	0	0
Prior	13,073	11,879
Loans, total	43,891	36,113
Residential real estate | 1-4 family residential construction loans | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	109
Prior	109	0
Loans, total	109	109
Other construction, land development and raw land loans
Financing Receivable, Credit Quality Indicator [Line Items]
2022	38,673	39,624
2021	42,448	26,458
2020	5,740	11,044
2019	1,713	3,775
2018	4,044	139
Prior	6,564	7,054
Loans, total	99,182	88,094
Other construction, land development and raw land loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	38,673	39,624
2021	42,448	26,458
2020	5,740	11,044
2019	1,713	3,315
2018	3,675	139
Prior	5,112	5,544
Loans, total	97,361	86,124
Other construction, land development and raw land loans | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	0
2021	0	0
2020	0	0
2019	0	460
2018	369	0
Prior	1,452	1,510
Loans, total	1,821	1,970
Obligations of states and political subdivisions in the US
Financing Receivable, Credit Quality Indicator [Line Items]
2022	32,319	4,120
2021	0	812
2020	0	1,875
2019	0	343
2018	219	2,733
Prior	1	6,520
Loans, total	32,539	16,403
Obligations of states and political subdivisions in the US | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	32,319	4,120
2021	0	812
2020	0	1,875
2019	0	343
2018	219	2,733
Prior	1	6,520
Loans, total	32,539	16,403
Obligations of states and political subdivisions in the US | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Loans, total	0	0
Agricultural production, including commercial fishing
Financing Receivable, Credit Quality Indicator [Line Items]
2022	9,748	19,970
2021	17,692	3,929
2020	3,740	810
2019	604	1,118
2018	879	741
Prior	1,436	1,391
Loans, total	34,099	27,959
Agricultural production, including commercial fishing | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	9,748	19,970
2021	17,692	3,929
2020	3,740	810
2019	604	1,118
2018	879	741
Prior	1,436	1,391
Loans, total	34,099	27,959
Agricultural production, including commercial fishing | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Loans, total	0	0
Consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2022	1,513	873
2021	363	815
2020	481	653
2019	345	403
2018	235	291
Prior	1,398	1,766
Loans, total	4,335	4,801
Consumer loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	1,513	873
2021	363	815
2020	481	653
2019	345	403
2018	235	291
Prior	1,391	1,766
Loans, total	4,328	4,801
Consumer loans | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	7	0
Loans, total	7	0
Other loans
Financing Receivable, Credit Quality Indicator [Line Items]
2022	1,291	2,028
2021	330	1,645
2020	1,547	430
2019	384	95
2018	0	0
Prior	67	208
Loans, total	3,619	4,406
Other loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	1,291	2,028
2021	330	1,645
2020	1,547	430
2019	384	95
2018	0	0
Prior	67	208
Loans, total	3,619	4,406
Other loans | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Loans, total	$ 0	$ 0