Loans, Credit Risk Profile Based on Rating Category and Payment Activity and on Performing and Nonperforming Status, Segregated by Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Credit Risk Profile, Segregated by Class [Abstract]
Total	$ 4,050,906	$ 3,709,290
Current Period Gross Charge-Offs [Abstract]
Total	(8,259)	(5,346)
Consumer mortgage loans secured by real estate properties for which formal foreclosure proceedings are in process	3,500	3,300
Commercial [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	437,884	542,228
2022/2021	443,860	407,322
2021/2020	325,078	197,470
2020/2019	168,851	160,246
2019/2018	122,166	78,649
Prior	276,521	280,907
Revolving Loans	209,375	202,036
Total	1,983,735	1,868,858
Current Period Gross Charge-Offs [Abstract]
2023	(725)
2022	(710)
2021	(337)
2020	(27)
2019	(90)
Prior	(333)
Revolving Loans	0
Total	(2,222)
Commercial [Member] | Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	411,703	519,154
2022/2021	424,100	378,826
2021/2020	303,445	171,938
2020/2019	146,909	149,565
2019/2018	113,411	70,102
Prior	241,655	233,022
Revolving Loans	202,377	192,516
Total	$ 1,843,600	1,715,123
Commercial [Member] | Pass [Member] | Minimum [Member]
Credit Risk Profile, Segregated by Class [Abstract]
Review period for loans	12 months
Commercial [Member] | Pass [Member] | Maximum [Member]
Credit Risk Profile, Segregated by Class [Abstract]
Review period for loans	18 months
Commercial [Member] | Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	$ 15,576	14,348
2022/2021	9,730	16,052
2021/2020	14,182	17,892
2020/2019	8,491	6,696
2019/2018	6,259	4,257
Prior	14,645	31,372
Revolving Loans	6,355	8,484
Total	75,238	99,101
Commercial [Member] | OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	2,404	49
2022/2021	3,997	0
2021/2020	0	0
2020/2019	7,255	39
2019/2018	0	0
Prior	3,503	2,046
Revolving Loans	30	59
Total	17,189	2,193
Commercial [Member] | Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	8,201	8,211
2022/2021	6,033	12,315
2021/2020	7,451	7,640
2020/2019	6,196	3,837
2019/2018	2,496	4,290
Prior	15,952	14,162
Revolving Loans	613	977
Total	46,942	51,432
Commercial [Member] | Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	466
2022/2021	0	129
2021/2020	0	0
2020/2019	0	109
2019/2018	0	0
Prior	766	305
Revolving Loans	0	0
Total	766	1,009
Commercial [Member] | Hotel/Motel [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	91,220	153,183
2022/2021	151,634	44,998
2021/2020	34,846	23,265
2020/2019	22,287	57,781
2019/2018	44,234	13,178
Prior	47,502	50,690
Revolving Loans	4,042	545
Total	395,765	343,640
Current Period Gross Charge-Offs [Abstract]
Total	0	(216)
Commercial [Member] | Hotel/Motel [Member] | Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	79,651	145,262
2022/2021	144,826	36,002
2021/2020	28,011	17,742
2020/2019	17,664	54,328
2019/2018	40,873	13,178
Prior	42,030	35,179
Revolving Loans	4,042	545
Total	357,097	302,236
Commercial [Member] | Hotel/Motel [Member] | Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	11,569	7,921
2022/2021	2,826	8,996
2021/2020	6,835	5,523
2020/2019	4,623	3,453
2019/2018	3,361	0
Prior	1,648	13,555
Revolving Loans	0	0
Total	30,862	39,448
Commercial [Member] | Hotel/Motel [Member] | OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	3,982	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	1,954	1,956
Revolving Loans	0	0
Total	5,936	1,956
Commercial [Member] | Hotel/Motel [Member] | Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	1,118	0
Revolving Loans	0	0
Total	1,118	0
Commercial [Member] | Hotel/Motel [Member] | Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	752	0
Revolving Loans	0	0
Total	752	0
Commercial [Member] | Commercial Real Estate Residential [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	112,381	121,482
2022/2021	92,104	116,150
2021/2020	103,901	41,976
2020/2019	33,201	16,700
2019/2018	12,914	16,267
Prior	48,618	45,861
Revolving Loans	14,824	14,478
Total	417,943	372,914
Current Period Gross Charge-Offs [Abstract]
2023	0
2022	0
2021	(28)
2020	0
2019	0
Prior	0
Revolving Loans	0
Total	(28)	(92)
Commercial [Member] | Commercial Real Estate Residential [Member] | Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	109,304	119,826
2022/2021	89,119	110,963
2021/2020	98,896	38,423
2020/2019	30,972	15,467
2019/2018	11,908	10,492
Prior	36,964	36,307
Revolving Loans	14,700	14,297
Total	391,863	345,775
Commercial [Member] | Commercial Real Estate Residential [Member] | Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	2,317	1,474
2022/2021	2,131	898
2021/2020	473	1,675
2020/2019	1,395	848
2019/2018	721	2,136
Prior	6,359	7,015
Revolving Loans	124	152
Total	13,520	14,198
Commercial [Member] | Commercial Real Estate Residential [Member] | OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	39
2019/2018	0	0
Prior	63	0
Revolving Loans	0	29
Total	63	68
Commercial [Member] | Commercial Real Estate Residential [Member] | Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	760	182
2022/2021	854	4,289
2021/2020	4,532	1,878
2020/2019	834	346
2019/2018	285	3,639
Prior	5,232	2,539
Revolving Loans	0	0
Total	12,497	12,873
Commercial [Member] | Commercial Real Estate Residential [Member] | Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Commercial [Member] | Commercial Real Estate Nonresidential [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	155,080	180,509
2022/2021	147,857	179,613
2021/2020	144,933	95,899
2020/2019	82,314	76,161
2019/2018	59,788	46,569
Prior	156,775	158,857
Revolving Loans	31,890	24,741
Total	778,637	762,349
Current Period Gross Charge-Offs [Abstract]
2023	0
2022	0
2021	(7)
2020	0
2019	0
Prior	(287)
Revolving Loans	0
Total	(294)	(46)
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	149,633	175,220
2022/2021	142,580	171,311
2021/2020	136,090	80,932
2020/2019	68,240	70,848
2019/2018	55,850	44,099
Prior	140,074	137,575
Revolving Loans	31,536	23,166
Total	724,003	703,151
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	552	3,331
2022/2021	3,664	5,765
2021/2020	6,305	10,090
2020/2019	2,347	2,178
2019/2018	1,938	1,962
Prior	6,003	10,022
Revolving Loans	354	1,550
Total	21,163	34,898
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	2,375	19
2022/2021	15	0
2021/2020	0	0
2020/2019	7,255	0
2019/2018	0	0
Prior	1,486	90
Revolving Loans	0	0
Total	11,131	109
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	2,520	1,939
2022/2021	1,598	2,537
2021/2020	2,538	4,877
2020/2019	4,472	3,135
2019/2018	2,000	508
Prior	9,199	10,865
Revolving Loans	0	25
Total	22,327	23,886
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	13	305
Revolving Loans	0	0
Total	13	305
Commercial [Member] | Dealer Floorplans [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	0	0
Revolving Loans	70,308	77,533
Total	70,308	77,533
Current Period Gross Charge-Offs [Abstract]
Total	0	0
Commercial [Member] | Dealer Floorplans [Member] | Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	0	0
Revolving Loans	70,308	77,153
Total	70,308	77,153
Commercial [Member] | Dealer Floorplans [Member] | Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	0	0
Revolving Loans	0	380
Total	0	380
Commercial [Member] | Dealer Floorplans [Member] | OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Commercial [Member] | Dealer Floorplans [Member] | Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Commercial [Member] | Dealer Floorplans [Member] | Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Commercial [Member] | Commercial Other [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	79,203	87,054
2022/2021	52,265	66,561
2021/2020	41,398	36,330
2020/2019	31,049	9,604
2019/2018	5,230	2,635
Prior	23,626	25,499
Revolving Loans	88,311	84,739
Total	321,082	312,422
Current Period Gross Charge-Offs [Abstract]
2023	(725)
2022	(710)
2021	(302)
2020	(27)
2019	(90)
Prior	(46)
Revolving Loans	0
Total	(1,900)
Commercial [Member] | Commercial Other [Member] | Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	73,115	78,846
2022/2021	47,575	60,550
2021/2020	40,448	34,841
2020/2019	30,033	8,922
2019/2018	4,780	2,333
Prior	22,588	23,961
Revolving Loans	81,791	77,355
Total	300,330	286,808
Commercial [Member] | Commercial Other [Member] | Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	1,138	1,622
2022/2021	1,109	393
2021/2020	569	604
2020/2019	126	217
2019/2018	239	159
Prior	635	780
Revolving Loans	5,877	6,402
Total	9,693	10,177
Commercial [Member] | Commercial Other [Member] | OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	29	30
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	0	0
Revolving Loans	30	30
Total	59	60
Commercial [Member] | Commercial Other [Member] | Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	4,921	6,090
2022/2021	3,581	5,489
2021/2020	381	885
2020/2019	890	356
2019/2018	211	143
Prior	403	758
Revolving Loans	613	952
Total	11,000	14,673
Commercial [Member] | Commercial Other [Member] | Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	466
2022/2021	0	129
2021/2020	0	0
2020/2019	0	109
2019/2018	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	704
Residential [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	200,442	176,736
2022/2021	162,607	177,751
2021/2020	160,008	132,893
2020/2019	119,964	63,206
2019/2018	57,134	30,895
Prior	245,441	254,212
Revolving Loans	138,964	109,843
Total	1,084,560	945,536
Current Period Gross Charge-Offs [Abstract]
2023	0
2022	0
2021	(47)
2020	0
2019	(40)
Prior	(76)
Revolving Loans	0
Total	(163)
Residential [Member] | Performing [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	200,442	176,736
2022/2021	162,407	177,469
2021/2020	159,857	132,795
2020/2019	119,772	62,415
2019/2018	56,601	30,473
Prior	238,777	246,305
Revolving Loans	138,663	109,567
Total	1,076,519	935,760
Residential [Member] | Nonperforming [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	200	282
2021/2020	151	98
2020/2019	192	791
2019/2018	533	422
Prior	6,664	7,907
Revolving Loans	301	276
Total	8,041	9,776
Residential [Member] | Real Estate Mortgage [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	200,442	176,736
2022/2021	162,607	177,751
2021/2020	160,008	132,893
2020/2019	119,964	63,206
2019/2018	57,134	30,895
Prior	237,369	243,515
Revolving Loans	0	0
Total	937,524	824,996
Current Period Gross Charge-Offs [Abstract]
2023	0
2022	0
2021	(47)
2020	0
2019	(40)
Prior	(53)
Revolving Loans	0
Total	(140)
Residential [Member] | Real Estate Mortgage [Member] | Performing [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	200,442	176,736
2022/2021	162,407	177,469
2021/2020	159,857	132,795
2020/2019	119,772	62,415
2019/2018	56,601	30,473
Prior	231,147	236,110
Revolving Loans	0	0
Total	930,226	815,998
Residential [Member] | Real Estate Mortgage [Member] | Nonperforming [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	200	282
2021/2020	151	98
2020/2019	192	791
2019/2018	533	422
Prior	6,222	7,405
Revolving Loans	0	0
Total	7,298	8,998
Residential [Member] | Home Equity Lines [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	8,072	10,697
Revolving Loans	138,964	109,843
Total	147,036	120,540
Current Period Gross Charge-Offs [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	(23)
Revolving Loans	0
Total	(23)	(37)
Residential [Member] | Home Equity Lines [Member] | Performing [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	7,630	10,195
Revolving Loans	138,663	109,567
Total	146,293	119,762
Residential [Member] | Home Equity Lines [Member] | Nonperforming [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
2019/2018	0	0
Prior	442	502
Revolving Loans	301	276
Total	743	778
Consumer [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	422,868	433,408
2022/2021	286,035	210,789
2021/2020	135,649	140,289
2020/2019	84,890	56,944
2019/2018	30,740	33,014
Prior	22,429	20,452
Revolving Loans	0	0
Total	982,611	894,896
Current Period Gross Charge-Offs [Abstract]
2023	(606)
2022	(2,583)
2021	(1,817)
2020	(529)
2019	(148)
Prior	(191)
Revolving Loans	0
Total	(5,874)
Consumer [Member] | Performing [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	422,735	433,318
2022/2021	285,808	210,527
2021/2020	135,481	140,188
2020/2019	84,879	56,914
2019/2018	30,718	33,013
Prior	22,420	20,430
Revolving Loans	0	0
Total	982,041	894,390
Consumer [Member] | Nonperforming [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	133	90
2022/2021	227	262
2021/2020	168	101
2020/2019	11	30
2019/2018	22	1
Prior	9	22
Revolving Loans	0	0
Total	570	506
Consumer [Member] | Consumer Direct [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	63,686	62,264
2022/2021	34,726	42,025
2021/2020	26,261	23,926
2020/2019	15,560	11,166
2019/2018	6,951	6,766
Prior	11,922	11,357
Revolving Loans	0	0
Total	159,106	157,504
Current Period Gross Charge-Offs [Abstract]
2023	(65)
2022	(263)
2021	(129)
2020	(37)
2019	(27)
Prior	(20)
Revolving Loans	0
Total	(541)	(609)
Consumer [Member] | Consumer Direct [Member] | Performing [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	63,686	62,239
2022/2021	34,722	42,014
2021/2020	26,250	23,921
2020/2019	15,560	11,166
2019/2018	6,951	6,766
Prior	11,922	11,357
Revolving Loans	0	0
Total	159,091	157,463
Consumer [Member] | Consumer Direct [Member] | Nonperforming [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	0	25
2022/2021	4	11
2021/2020	11	5
2020/2019	0	0
2019/2018	0	0
Prior	0	0
Revolving Loans	0	0
Total	15	41
Consumer [Member] | Consumer Indirect [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	359,182	371,144
2022/2021	251,309	168,764
2021/2020	109,388	116,363
2020/2019	69,330	45,778
2019/2018	23,789	26,248
Prior	10,507	9,095
Revolving Loans	0	0
Total	823,505	737,392
Current Period Gross Charge-Offs [Abstract]
2023	(541)
2022	(2,320)
2021	(1,688)
2020	(492)
2019	(121)
Prior	(171)
Revolving Loans	0
Total	(5,333)	(3,041)
Consumer [Member] | Consumer Indirect [Member] | Performing [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	359,049	371,079
2022/2021	251,086	168,513
2021/2020	109,231	116,267
2020/2019	69,319	45,748
2019/2018	23,767	26,247
Prior	10,498	9,073
Revolving Loans	0	0
Total	822,950	736,927
Consumer [Member] | Consumer Indirect [Member] | Nonperforming [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2023/2022	133	65
2022/2021	223	251
2021/2020	157	96
2020/2019	11	30
2019/2018	22	1
Prior	9	22
Revolving Loans	0	0
Total	$ 555	$ 465