Loans, Credit Risk Profile Based on Rating Category and Payment Activity and on Performing and Nonperforming Status, Segregated by Class (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Credit Risk Profile, Segregated by Class [Abstract]
Total	$ 4,261,247		$ 4,261,247		$ 4,050,906
Current Period Gross Charge-Offs [Abstract]
Total	(2,836)	$ (1,953)	(5,503)	$ (3,718)	(8,259)
Consumer mortgage loans secured by real estate properties for which formal foreclosure proceedings are in process	4,900		4,900		3,500
Commercial [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	309,132		309,132		437,884
2023/2022	379,363		379,363		443,860
2022/2021	432,353		432,353		325,078
2022/2020	292,626		292,626		168,851
2020/2019	164,197		164,197		122,166
Prior	351,087		351,087		276,521
Revolving Loans	223,018		223,018		209,375
Total	2,151,776		2,151,776		1,983,735
Current Period Gross Charge-Offs [Abstract]
2024/2023			(813)		(725)
2023/2022			0		(710)
2022/2021			(20)		(337)
2021/2020			(6)		(27)
2020/2019			(2)		(90)
Prior			(5)		(333)
Revolving loan			0		0
Total			(846)		(2,222)
Commercial [Member] \| Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	300,045		300,045		411,703
2023/2022	353,879		353,879		424,100
2022/2021	412,252		412,252		303,445
2022/2020	260,480		260,480		146,909
2020/2019	143,175		143,175		113,411
Prior	310,340		310,340		241,655
Revolving Loans	204,503		204,503		202,377
Total	1,984,674		$ 1,984,674		1,843,600
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]
2024/2023	5,970		$ 5,970		15,576
2023/2022	16,103		16,103		9,730
2022/2021	11,257		11,257		14,182
2022/2020	19,856		19,856		8,491
2020/2019	8,970		8,970		6,259
Prior	23,052		23,052		14,645
Revolving Loans	17,136		17,136		6,355
Total	102,344		102,344		75,238
Commercial [Member] \| OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	81		81		2,404
2023/2022	150		150		3,997
2022/2021	15		15		0
2022/2020	9,128		9,128		7,255
2020/2019	0		0		0
Prior	1,535		1,535		3,503
Revolving Loans	100		100		30
Total	11,009		11,009		17,189
Commercial [Member] \| Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	3,036		3,036		8,201
2023/2022	9,231		9,231		6,033
2022/2021	8,829		8,829		7,451
2022/2020	3,162		3,162		6,196
2020/2019	12,052		12,052		2,496
Prior	16,158		16,158		15,952
Revolving Loans	1,279		1,279		613
Total	53,747		53,747		46,942
Commercial [Member] \| Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	2		2		766
Revolving Loans	0		0		0
Total	2		2		766
Commercial [Member] \| Hotel/Motel [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	19,737		19,737		91,220
2023/2022	89,210		89,210		151,634
2022/2021	157,986		157,986		34,846
2022/2020	34,259		34,259		22,287
2020/2019	21,925		21,925		44,234
Prior	88,770		88,770		47,502
Revolving Loans	5,274		5,274		4,042
Total	417,161		417,161		395,765
Current Period Gross Charge-Offs [Abstract]
Total	0	0	0	0	0
Commercial [Member] \| Hotel/Motel [Member] \| Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	19,737		19,737		79,651
2023/2022	77,799		77,799		144,826
2022/2021	151,121		151,121		28,011
2022/2020	27,578		27,578		17,664
2020/2019	17,388		17,388		40,873
Prior	78,805		78,805		42,029
Revolving Loans	5,274		5,274		4,042
Total	377,702		377,702		357,096
Commercial [Member] \| Hotel/Motel [Member] \| Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		11,569
2023/2022	11,411		11,411		2,826
2022/2021	2,776		2,776		6,835
2022/2020	6,681		6,681		4,623
2020/2019	4,537		4,537		3,361
Prior	8,011		8,011		1,648
Revolving Loans	0		0		0
Total	33,416		33,416		30,862
Commercial [Member] \| Hotel/Motel [Member] \| OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		3,982
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		1,954
Revolving Loans	0		0		0
Total	0		0		5,936
Commercial [Member] \| Hotel/Motel [Member] \| Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	4,089		4,089		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	1,954		1,954		1,118
Revolving Loans	0		0		0
Total	6,043		6,043		1,118
Commercial [Member] \| Hotel/Motel [Member] \| Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		753
Revolving Loans	0		0		0
Total	0		0		753
Commercial [Member] \| Commercial Real Estate Residential [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	108,944		108,944		112,381
2023/2022	95,399		95,399		92,104
2022/2021	92,154		92,154		103,901
2022/2020	82,571		82,571		33,201
2020/2019	30,729		30,729		12,914
Prior	53,414		53,414		48,618
Revolving Loans	17,207		17,207		14,824
Total	480,418		480,418		417,943
Current Period Gross Charge-Offs [Abstract]
2024/2023					0
2023/2022					0
2022/2021					(28)
2021/2020					0
2020/2019					0
Prior					0
Revolving loan					0
Total	0	(28)	0	(28)	(28)
Commercial [Member] \| Commercial Real Estate Residential [Member] \| Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	107,700		107,700		109,304
2023/2022	92,041		92,041		89,119
2022/2021	87,418		87,418		98,896
2022/2020	78,240		78,240		30,972
2020/2019	28,580		28,580		11,908
Prior	42,351		42,351		36,964
Revolving Loans	16,998		16,998		14,700
Total	453,328		453,328		391,863
Commercial [Member] \| Commercial Real Estate Residential [Member] \| Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	1,244		1,244		2,317
2023/2022	2,412		2,412		2,131
2022/2021	4,212		4,212		473
2022/2020	3,918		3,918		1,395
2020/2019	1,805		1,805		721
Prior	6,519		6,519		6,359
Revolving Loans	139		139		124
Total	20,249		20,249		13,520
Commercial [Member] \| Commercial Real Estate Residential [Member] \| OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	122		122		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	89		89		63
Revolving Loans	70		70		0
Total	281		281		63
Commercial [Member] \| Commercial Real Estate Residential [Member] \| Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		760
2023/2022	824		824		854
2022/2021	524		524		4,532
2022/2020	413		413		834
2020/2019	344		344		285
Prior	4,455		4,455		5,232
Revolving Loans	0		0		0
Total	6,560		6,560		12,497
Commercial [Member] \| Commercial Real Estate Residential [Member] \| Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		0
Revolving Loans	0		0		0
Total	0		0		0
Commercial [Member] \| Commercial Real Estate Nonresidential [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	112,613		112,613		155,080
2023/2022	136,156		136,156		147,857
2022/2021	135,705		135,705		144,933
2022/2020	137,864		137,864		82,314
2020/2019	83,852		83,852		59,788
Prior	186,508		186,508		156,775
Revolving Loans	33,236		33,236		31,890
Total	825,934		825,934		778,637
Current Period Gross Charge-Offs [Abstract]
2024/2023					0
2023/2022					0
2022/2021					(7)
2021/2020					0
2020/2019					0
Prior					(287)
Revolving loan					0
Total	0	(9)	0	(9)	(294)
Commercial [Member] \| Commercial Real Estate Nonresidential [Member] \| Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	106,957		106,957		149,633
2023/2022	130,895		130,895		142,580
2022/2021	130,451		130,451		136,090
2022/2020	126,349		126,349		68,240
2020/2019	70,121		70,121		55,850
Prior	167,723		167,723		140,074
Revolving Loans	32,753		32,753		31,536
Total	765,249		765,249		724,003
Commercial [Member] \| Commercial Real Estate Nonresidential [Member] \| Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	3,575		3,575		552
2023/2022	1,359		1,359		3,664
2022/2021	3,638		3,638		6,305
2022/2020	8,870		8,870		2,347
2020/2019	2,501		2,501		1,938
Prior	7,799		7,799		6,003
Revolving Loans	483		483		354
Total	28,225		28,225		21,163
Commercial [Member] \| Commercial Real Estate Nonresidential [Member] \| OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		2,375
2023/2022	0		0		15
2022/2021	15		15		0
2022/2020	379		379		7,255
2020/2019	0		0		0
Prior	1,446		1,446		1,486
Revolving Loans	0		0		0
Total	1,840		1,840		11,131
Commercial [Member] \| Commercial Real Estate Nonresidential [Member] \| Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	2,081		2,081		2,520
2023/2022	3,902		3,902		1,598
2022/2021	1,601		1,601		2,538
2022/2020	2,266		2,266		4,472
2020/2019	11,230		11,230		2,000
Prior	9,538		9,538		9,199
Revolving Loans	0		0		0
Total	30,618		30,618		22,327
Commercial [Member] \| Commercial Real Estate Nonresidential [Member] \| Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	2		2		13
Revolving Loans	0		0		0
Total	2		2		13
Commercial [Member] \| Dealer Floorplans [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		0
Revolving Loans	76,222		76,222		70,308
Total	76,222		76,222		70,308
Current Period Gross Charge-Offs [Abstract]
Total	0	0	0	0	0
Commercial [Member] \| Dealer Floorplans [Member] \| Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		0
Revolving Loans	74,114		74,114		70,308
Total	74,114		74,114		70,308
Commercial [Member] \| Dealer Floorplans [Member] \| Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		0
Revolving Loans	2,108		2,108		0
Total	2,108		2,108		0
Commercial [Member] \| Dealer Floorplans [Member] \| OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		0
Revolving Loans	0		0		0
Total	0		0		0
Commercial [Member] \| Dealer Floorplans [Member] \| Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		0
Revolving Loans	0		0		0
Total	0		0		0
Commercial [Member] \| Dealer Floorplans [Member] \| Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		0
Revolving Loans	0		0		0
Total	0		0		0
Commercial [Member] \| Commercial Other [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	67,838		67,838		79,203
2023/2022	58,598		58,598		52,265
2022/2021	46,508		46,508		41,398
2022/2020	37,932		37,932		31,049
2020/2019	27,691		27,691		5,230
Prior	22,395		22,395		23,626
Revolving Loans	91,079		91,079		88,311
Total	352,041		352,041		321,082
Current Period Gross Charge-Offs [Abstract]
2024/2023			(813)		(725)
2023/2022			0		(710)
2022/2021			(20)		(302)
2021/2020			(6)		(27)
2020/2019			(2)		(90)
Prior			(5)		(46)
Revolving loan			0		0
Total			(846)		(1,900)
Commercial [Member] \| Commercial Other [Member] \| Pass [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	65,651		65,651		73,115
2023/2022	53,144		53,144		47,575
2022/2021	43,262		43,262		40,448
2022/2020	28,313		28,313		30,033
2020/2019	27,086		27,086		4,780
Prior	21,461		21,461		22,588
Revolving Loans	75,364		75,364		81,791
Total	314,281		314,281		300,330
Commercial [Member] \| Commercial Other [Member] \| Watch [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	1,151		1,151		1,138
2023/2022	921		921		1,109
2022/2021	631		631		569
2022/2020	387		387		126
2020/2019	127		127		239
Prior	723		723		635
Revolving Loans	14,406		14,406		5,877
Total	18,346		18,346		9,693
Commercial [Member] \| Commercial Other [Member] \| OAEM [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	81		81		29
2023/2022	28		28		0
2022/2021	0		0		0
2022/2020	8,749		8,749		0
2020/2019	0		0		0
Prior	0		0		0
Revolving Loans	30		30		30
Total	8,888		8,888		59
Commercial [Member] \| Commercial Other [Member] \| Substandard [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	955		955		4,921
2023/2022	4,505		4,505		3,581
2022/2021	2,615		2,615		381
2022/2020	483		483		890
2020/2019	478		478		211
Prior	211		211		403
Revolving Loans	1,279		1,279		613
Total	10,526		10,526		11,000
Commercial [Member] \| Commercial Other [Member] \| Doubtful [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	0		0		0
Revolving Loans	0		0		0
Total	0		0		0
Residential [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	79,103		79,103		200,442
2023/2022	205,750		205,750		162,607
2022/2021	150,916		150,916		160,008
2022/2020	153,101		153,101		119,964
2020/2019	113,178		113,178		57,134
Prior	284,180		284,180		245,441
Revolving Loans	146,227		146,227		138,964
Total	1,132,455		1,132,455		1,084,560
Current Period Gross Charge-Offs [Abstract]
2024/2023			0		0
2023/2022			0		0
2022/2021			0		(47)
2021/2020			0		0
2020/2019			0		(40)
Prior			(51)		(76)
Revolving loan			0		0
Total			(51)		(163)
Residential [Member] \| Performing [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	79,103		79,103		200,442
2023/2022	205,074		205,074		162,407
2022/2021	150,267		150,267		159,857
2022/2020	152,504		152,504		119,772
2020/2019	112,667		112,667		56,601
Prior	276,422		276,422		238,777
Revolving Loans	145,799		145,799		138,663
Total	1,121,836		1,121,836		1,076,519
Residential [Member] \| Nonperforming [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	676		676		200
2022/2021	649		649		151
2022/2020	597		597		192
2020/2019	511		511		533
Prior	7,758		7,758		6,664
Revolving Loans	428		428		301
Total	10,619		10,619		8,041
Residential [Member] \| Real Estate Mortgage [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	79,103		79,103		200,442
2023/2022	205,750		205,750		162,607
2022/2021	150,916		150,916		160,008
2022/2020	153,101		153,101		119,964
2020/2019	113,178		113,178		57,134
Prior	276,096		276,096		237,369
Revolving Loans	0		0		0
Total	978,144		978,144		937,524
Current Period Gross Charge-Offs [Abstract]
2024/2023			0		0
2023/2022			0		0
2022/2021			0		(47)
2021/2020			0		0
2020/2019			0		(40)
Prior			(51)		(53)
Revolving loan			0		0
Total			(51)		(140)
Residential [Member] \| Real Estate Mortgage [Member] \| Performing [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	79,103		79,103		200,442
2023/2022	205,074		205,074		162,407
2022/2021	150,267		150,267		159,857
2022/2020	152,504		152,504		119,772
2020/2019	112,667		112,667		56,601
Prior	268,826		268,826		231,147
Revolving Loans	0		0		0
Total	968,441		968,441		930,226
Residential [Member] \| Real Estate Mortgage [Member] \| Nonperforming [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	676		676		200
2022/2021	649		649		151
2022/2020	597		597		192
2020/2019	511		511		533
Prior	7,270		7,270		6,222
Revolving Loans	0		0		0
Total	9,703		9,703		7,298
Residential [Member] \| Home Equity Lines [Member]
Credit Risk Profile, Segregated by Class [Abstract]
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2022/2020	0		0		0
2020/2019	0		0		0
Prior	8,084		8,084		8,072
Revolving Loans	146,227		146,227		138,964
Total	154,311		154,311		147,036

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