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Allowance for Credit Losses - Schedule of Credit Quality Indicators by Total Loans on an Amortized Cost Basis (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases, net of unearned income and deferred costs and fees	$ 6,288,071	$ 6,019,922
Commercial and Industrial | Commercial and industrial other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	116,948	165,568
One year before current fiscal year	160,949	114,879
Two years before current fiscal year	102,428	61,199
Three years before current fiscal year	77,067	54,938
Four years before current fiscal year	42,375	19,459
Prior	159,313	145,768
Revolving Loans Amortized Cost Basis	276,256	257,789
Revolving Loans Converted to Term	3,265	35,968
Total loans and leases, net of unearned income and deferred costs and fees	938,601	855,568
Current-period gross writeoffs
Current fiscal year	138	0
One year before current fiscal year	380	15
Two years before current fiscal year	85	30
Three years before current fiscal year	66	44
Four years before current fiscal year	254	21
Prior	13	432
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	936	542
Commercial and Industrial | Commercial and industrial other | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	116,818	164,809
One year before current fiscal year	160,017	114,591
Two years before current fiscal year	100,931	60,984
Three years before current fiscal year	55,850	54,087
Four years before current fiscal year	41,891	19,311
Prior	157,356	144,785
Revolving Loans Amortized Cost Basis	250,115	256,621
Revolving Loans Converted to Term	3,075	35,968
Total loans and leases, net of unearned income and deferred costs and fees	886,053	851,156
Commercial and Industrial | Commercial and industrial other | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	130	334
One year before current fiscal year	485	288
Two years before current fiscal year	1,301	174
Three years before current fiscal year	21,217	808
Four years before current fiscal year	57	144
Prior	1,501	375
Revolving Loans Amortized Cost Basis	23,626	157
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	48,317	2,280
Commercial and Industrial | Commercial and industrial other | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	425
One year before current fiscal year	447	0
Two years before current fiscal year	196	41
Three years before current fiscal year	0	43
Four years before current fiscal year	427	4
Prior	456	608
Revolving Loans Amortized Cost Basis	2,515	1,011
Revolving Loans Converted to Term	190	0
Total loans and leases, net of unearned income and deferred costs and fees	4,231	2,132
Commercial and Industrial | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	9,959	15,686
One year before current fiscal year	11,862	23,823
Two years before current fiscal year	24,477	9,893
Three years before current fiscal year	8,204	2,267
Four years before current fiscal year	1,724	1,701
Prior	6,844	11,304
Revolving Loans Amortized Cost Basis	38,344	42,438
Revolving Loans Converted to Term	383	2,895
Total loans and leases, net of unearned income and deferred costs and fees	101,797	110,007
Current-period gross writeoffs
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	0	0
Commercial and Industrial | Agriculture | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	9,959	15,686
One year before current fiscal year	11,862	23,823
Two years before current fiscal year	24,477	9,893
Three years before current fiscal year	8,204	2,233
Four years before current fiscal year	1,698	1,660
Prior	6,815	11,304
Revolving Loans Amortized Cost Basis	38,344	42,438
Revolving Loans Converted to Term	383	2,895
Total loans and leases, net of unearned income and deferred costs and fees	101,742	109,932
Commercial and Industrial | Agriculture | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	34
Four years before current fiscal year	26	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	26	34
Commercial and Industrial | Agriculture | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	41
Prior	29	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	29	41
Commercial Real Estate | Commercial and industrial other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	271,843	332,674
One year before current fiscal year	323,682	243,537
Two years before current fiscal year	267,589	327,483
Three years before current fiscal year	334,900	358,250
Four years before current fiscal year	356,763	294,265
Prior	1,311,673	1,147,068
Revolving Loans Amortized Cost Basis	67,465	56,069
Revolving Loans Converted to Term	30,415	16,958
Total loans and leases, net of unearned income and deferred costs and fees	2,964,330	2,776,304
Current-period gross writeoffs
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	2,000	0
Prior	2,884	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	4,884	0
Commercial Real Estate | Commercial and industrial other | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	265,343	331,943
One year before current fiscal year	323,283	242,564
Two years before current fiscal year	266,662	324,510
Three years before current fiscal year	332,272	355,090
Four years before current fiscal year	354,721	277,220
Prior	1,251,036	1,088,575
Revolving Loans Amortized Cost Basis	66,634	50,632
Revolving Loans Converted to Term	30,415	16,958
Total loans and leases, net of unearned income and deferred costs and fees	2,890,366	2,687,492
Commercial Real Estate | Commercial and industrial other | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	6,500	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	1,499
Three years before current fiscal year	1,479	599
Four years before current fiscal year	580	15,205
Prior	31,336	12,637
Revolving Loans Amortized Cost Basis	0	4,452
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	39,895	34,392
Commercial Real Estate | Commercial and industrial other | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	731
One year before current fiscal year	399	973
Two years before current fiscal year	927	1,474
Three years before current fiscal year	1,149	2,561
Four years before current fiscal year	1,462	1,840
Prior	29,301	45,856
Revolving Loans Amortized Cost Basis	831	985
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	34,069	54,420
Commercial Real Estate | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	13,648	23,754
One year before current fiscal year	24,237	11,594
Two years before current fiscal year	11,641	37,398
Three years before current fiscal year	39,874	21,510
Four years before current fiscal year	20,694	19,853
Prior	107,462	97,354
Revolving Loans Amortized Cost Basis	6,944	4,169
Revolving Loans Converted to Term	2,156	1,950
Total loans and leases, net of unearned income and deferred costs and fees	226,656	217,582
Current-period gross writeoffs
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	0	0
Commercial Real Estate | Agriculture | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	13,648	23,754
One year before current fiscal year	24,237	11,594
Two years before current fiscal year	11,641	37,398
Three years before current fiscal year	39,874	21,510
Four years before current fiscal year	20,694	19,853
Prior	107,171	96,967
Revolving Loans Amortized Cost Basis	6,944	4,169
Revolving Loans Converted to Term	2,156	1,950
Total loans and leases, net of unearned income and deferred costs and fees	226,365	217,195
Commercial Real Estate | Agriculture | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	160	217
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	160	217
Commercial Real Estate | Agriculture | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	131	170
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	131	170
Commercial Real Estate | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	6,195	13,160
One year before current fiscal year	34,179	744
Two years before current fiscal year	6,622	682
Three years before current fiscal year	1,846	5,003
Four years before current fiscal year	14,376	1,986
Prior	321	802
Revolving Loans Amortized Cost Basis	314,883	310,879
Revolving Loans Converted to Term	3,256	52,675
Total loans and leases, net of unearned income and deferred costs and fees	381,678	385,931
Current-period gross writeoffs
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	0	0
Commercial Real Estate | Construction | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	6,195	13,160
One year before current fiscal year	34,179	744
Two years before current fiscal year	6,622	682
Three years before current fiscal year	1,846	5,003
Four years before current fiscal year	14,376	1,986
Prior	321	802
Revolving Loans Amortized Cost Basis	297,581	293,479
Revolving Loans Converted to Term	3,256	52,675
Total loans and leases, net of unearned income and deferred costs and fees	364,376	368,531
Commercial Real Estate | Construction | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	0	0
Commercial Real Estate | Construction | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	17,302	17,400
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	17,302	17,400
Residential | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	2,249	15,181
One year before current fiscal year	16,294	3,106
Two years before current fiscal year	3,547	2,383
Three years before current fiscal year	2,994	1,053
Four years before current fiscal year	1,499	784
Prior	15,998	13,587
Revolving Loans Amortized Cost Basis	178,486	165,497
Revolving Loans Converted to Term	1,135	2,603
Total loans and leases, net of unearned income and deferred costs and fees	222,202	204,194
Current-period gross writeoffs
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	0	0
Residential | Home equity | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	2,249	15,181
One year before current fiscal year	16,294	3,106
Two years before current fiscal year	3,547	2,383
Three years before current fiscal year	2,937	1,053
Four years before current fiscal year	1,499	784
Prior	15,364	12,993
Revolving Loans Amortized Cost Basis	176,477	163,202
Revolving Loans Converted to Term	1,135	2,603
Total loans and leases, net of unearned income and deferred costs and fees	219,502	201,305
Residential | Home equity | Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	57	0
Four years before current fiscal year	0	0
Prior	634	594
Revolving Loans Amortized Cost Basis	2,009	2,295
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	2,700	2,889
Residential | Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	75,438	106,698
One year before current fiscal year	107,673	131,170
Two years before current fiscal year	124,237	172,922
Three years before current fiscal year	163,667	240,044
Four years before current fiscal year	227,030	205,258
Prior	659,609	510,554
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	1,357,654	1,366,646
Current-period gross writeoffs
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	0	0
Residential | Mortgages | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	75,438	106,698
One year before current fiscal year	107,485	130,463
Two years before current fiscal year	123,351	172,310
Three years before current fiscal year	162,612	239,307
Four years before current fiscal year	225,756	204,310
Prior	649,101	500,169
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	1,343,743	1,353,257
Residential | Mortgages | Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	188	707
Two years before current fiscal year	886	612
Three years before current fiscal year	1,055	737
Four years before current fiscal year	1,274	948
Prior	10,508	10,385
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	13,911	13,389
Consumer and Other | Direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	33,180	40,812
One year before current fiscal year	12,532	18,086
Two years before current fiscal year	12,383	10,046
Three years before current fiscal year	7,985	9,117
Four years before current fiscal year	7,246	3,957
Prior	13,232	11,562
Revolving Loans Amortized Cost Basis	2,215	2,583
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	88,773	96,163
Current-period gross writeoffs
Current fiscal year	1,789	2,272
One year before current fiscal year	7	15
Two years before current fiscal year	0	11
Three years before current fiscal year	17	32
Four years before current fiscal year	17	10
Prior	51	229
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	1,881	2,569
Consumer and Other | Direct | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	33,180	40,812
One year before current fiscal year	12,532	18,082
Two years before current fiscal year	12,363	10,022
Three years before current fiscal year	7,975	9,109
Four years before current fiscal year	7,246	3,953
Prior	13,174	11,485
Revolving Loans Amortized Cost Basis	2,213	2,575
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	88,683	96,038
Consumer and Other | Direct | Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	4
Two years before current fiscal year	20	24
Three years before current fiscal year	10	8
Four years before current fiscal year	0	4
Prior	58	77
Revolving Loans Amortized Cost Basis	2	8
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	90	125
Consumer and Other | Indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	52
Four years before current fiscal year	24	23
Prior	66	154
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	90	229
Current-period gross writeoffs
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	10	29
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	10	29
Consumer and Other | Indirect | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	52
Four years before current fiscal year	24	23
Prior	62	141
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	86	216
Consumer and Other | Indirect | Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	4	13
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans and leases, net of unearned income and deferred costs and fees	$ 4	$ 13

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 45
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Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
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Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease.

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