Allowance for Credit Losses - Credit Quality Indicators by Commercial and Industrial Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 5,268,911	$ 5,075,467
Commercial and industrial | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	124,190	124,331
One year before current fiscal year	80,099	59,786
Two years before current fiscal year	39,021	54,613
Three years before current fiscal year	41,711	42,768
Four years before current fiscal year	34,242	35,926
Prior	157,921	240,123
Revolving Loans Amortized Cost Basis	222,050	131,535
Revolving Loans Converted to Term	6,466	10,039
Total Loans	705,700	699,121
Commercial and industrial | Other | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	124,190	123,996
One year before current fiscal year	79,861	58,432
Two years before current fiscal year	38,158	54,116
Three years before current fiscal year	41,391	42,093
Four years before current fiscal year	33,238	35,725
Prior	156,038	239,093
Revolving Loans Amortized Cost Basis	215,890	125,476
Revolving Loans Converted to Term	6,466	10,039
Total Loans	695,232	688,970
Commercial and industrial | Other | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	156
One year before current fiscal year	127	770
Two years before current fiscal year	421	450
Three years before current fiscal year	285	100
Four years before current fiscal year	271	201
Prior	1,380	393
Revolving Loans Amortized Cost Basis	501	1,417
Revolving Loans Converted to Term	0	0
Total Loans	2,985	3,487
Commercial and industrial | Other | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	179
One year before current fiscal year	111	584
Two years before current fiscal year	442	47
Three years before current fiscal year	35	575
Four years before current fiscal year	733	0
Prior	503	637
Revolving Loans Amortized Cost Basis	5,659	4,642
Revolving Loans Converted to Term	0	0
Total Loans	7,483	6,664
Commercial and industrial | PPP loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	8,573
One year before current fiscal year	416	6,867
Two years before current fiscal year	340	5,711
Three years before current fiscal year	0	10,159
Four years before current fiscal year	0	6,960
Prior	0	5,502
Revolving Loans Amortized Cost Basis	0	54,805
Revolving Loans Converted to Term	0	595
Total Loans	756	99,172
Commercial and industrial | PPP loans | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	8,573
One year before current fiscal year	416	6,782
Two years before current fiscal year	340	5,700
Three years before current fiscal year	0	10,136
Four years before current fiscal year	0	6,867
Prior	0	3,186
Revolving Loans Amortized Cost Basis	0	53,145
Revolving Loans Converted to Term	0	595
Total Loans	756	94,984
Commercial and industrial | PPP loans | 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	23
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	23
Commercial and industrial | PPP loans | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	0
One year before current fiscal year	0	85
Two years before current fiscal year	0	11
Three years before current fiscal year	0	0
Four years before current fiscal year	0	93
Prior	0	2,316
Revolving Loans Amortized Cost Basis	0	1,660
Revolving Loans Converted to Term	0	0
Total Loans	0	4,165
Commercial and industrial | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	16,694	71,260
One year before current fiscal year	4,178	0
Two years before current fiscal year	5,015	0
Three years before current fiscal year	4,186	0
Four years before current fiscal year	7,734	0
Prior	4,899	0
Revolving Loans Amortized Cost Basis	42,152	0
Revolving Loans Converted to Term	215	0
Total Loans	85,073	71,260
Commercial and industrial | Agriculture | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	16,694	71,260
One year before current fiscal year	4,120	0
Two years before current fiscal year	4,944	0
Three years before current fiscal year	4,186	0
Four years before current fiscal year	7,734	0
Prior	4,883	0
Revolving Loans Amortized Cost Basis	42,097	0
Revolving Loans Converted to Term	215	0
Total Loans	84,873	71,260
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	58	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	50	0
Revolving Loans Converted to Term	0	0
Total Loans	108	0
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	71	0
Three years before current fiscal year	0	0
Four years before current fiscal year	0	0
Prior	16	0
Revolving Loans Amortized Cost Basis	5	0
Revolving Loans Converted to Term	0	0
Total Loans	92	0
Commercial real estate | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	343,032	329,356
One year before current fiscal year	370,620	273,443
Two years before current fiscal year	313,295	263,300
Three years before current fiscal year	294,443	207,727
Four years before current fiscal year	207,263	223,667
Prior	873,145	892,837
Revolving Loans Amortized Cost Basis	11,038	45,044
Revolving Loans Converted to Term	24,503	43,225
Total Loans	2,437,339	2,278,599
Commercial real estate | Other | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	342,311	325,874
One year before current fiscal year	367,104	271,680
Two years before current fiscal year	311,607	249,266
Three years before current fiscal year	279,587	201,992
Four years before current fiscal year	203,016	212,991
Prior	812,563	810,713
Revolving Loans Amortized Cost Basis	10,906	44,264
Revolving Loans Converted to Term	24,503	43,225
Total Loans	2,351,597	2,160,005
Commercial real estate | Other | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	643	0
One year before current fiscal year	3,406	1,763
Two years before current fiscal year	1,688	11,772
Three years before current fiscal year	11,462	3,217
Four years before current fiscal year	2,555	2,167
Prior	25,361	61,723
Revolving Loans Amortized Cost Basis	0	358
Revolving Loans Converted to Term	0	0
Total Loans	45,115	81,000
Commercial real estate | Other | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	78	3,482
One year before current fiscal year	110	0
Two years before current fiscal year	0	2,262
Three years before current fiscal year	3,394	2,518
Four years before current fiscal year	1,692	8,509
Prior	35,221	20,401
Revolving Loans Amortized Cost Basis	132	422
Revolving Loans Converted to Term	0	0
Total Loans	40,627	37,594
Commercial real estate | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	33,241	23,151
One year before current fiscal year	24,125	22,335
Two years before current fiscal year	22,831	28,943
Three years before current fiscal year	26,163	41,103
Four years before current fiscal year	37,873	23,195
Prior	66,364	52,412
Revolving Loans Amortized Cost Basis	3,131	1,984
Revolving Loans Converted to Term	1,235	2,850
Total Loans	214,963	195,973
Commercial real estate | Agriculture | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	33,241	23,151
One year before current fiscal year	24,125	21,856
Two years before current fiscal year	22,831	28,943
Three years before current fiscal year	25,576	41,064
Four years before current fiscal year	37,835	23,195
Prior	65,112	50,809
Revolving Loans Amortized Cost Basis	3,131	1,949
Revolving Loans Converted to Term	1,235	2,850
Total Loans	213,086	193,817
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	479
Two years before current fiscal year	0	0
Three years before current fiscal year	401	0
Four years before current fiscal year	0	0
Prior	1,142	350
Revolving Loans Amortized Cost Basis	0	35
Revolving Loans Converted to Term	0	0
Total Loans	1,543	864
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	186	39
Four years before current fiscal year	38	0
Prior	110	1,253
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	334	1,292
Commercial real estate | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	23,105	12,840
One year before current fiscal year	75,245	10,025
Two years before current fiscal year	27,584	16,325
Three years before current fiscal year	14,842	7,542
Four years before current fiscal year	9,083	1,274
Prior	7,268	7,202
Revolving Loans Amortized Cost Basis	42,701	113,337
Revolving Loans Converted to Term	1,288	10,037
Total Loans	201,116	178,582
Commercial real estate | Construction | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	23,105	12,840
One year before current fiscal year	75,245	10,025
Two years before current fiscal year	27,584	16,325
Three years before current fiscal year	14,842	7,542
Four years before current fiscal year	9,083	1,274
Prior	7,268	6,559
Revolving Loans Amortized Cost Basis	42,701	112,537
Revolving Loans Converted to Term	1,288	10,037
Total Loans	201,116	177,139
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	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	643
Revolving Loans Amortized Cost Basis	0	800
Revolving Loans Converted to Term	0	0
Total Loans	0	1,443
Residential real estate | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	3,030	2,033
One year before current fiscal year	1,062	1,142
Two years before current fiscal year	637	3,057
Three years before current fiscal year	1,006	1,600
Four years before current fiscal year	792	1,572
Prior	3,208	3,748
Revolving Loans Amortized Cost Basis	177,803	163,469
Revolving Loans Converted to Term	1,085	6,050
Total Loans	188,623	182,671
Residential real estate | Home equity | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	3,030	2,033
One year before current fiscal year	1,062	1,142
Two years before current fiscal year	637	3,041
Three years before current fiscal year	992	1,600
Four years before current fiscal year	792	1,572
Prior	3,183	3,144
Revolving Loans Amortized Cost Basis	175,451	161,630
Revolving Loans Converted to Term	1,085	6,050
Total Loans	186,232	180,212
Residential real estate | 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	16
Three years before current fiscal year	14	0
Four years before current fiscal year	0	0
Prior	25	604
Revolving Loans Amortized Cost Basis	2,352	1,839
Revolving Loans Converted to Term	0	0
Total Loans	2,391	2,459
Residential real estate | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	187,347	324,967
One year before current fiscal year	272,570	282,202
Two years before current fiscal year	240,212	162,815
Three years before current fiscal year	118,073	98,480
Four years before current fiscal year	68,157	124,914
Prior	459,959	282,193
Revolving Loans Amortized Cost Basis	0	14,135
Revolving Loans Converted to Term	0	1,205
Total Loans	1,346,318	1,290,911
Residential real estate | Residential Real Estate | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	187,129	324,967
One year before current fiscal year	272,235	282,202
Two years before current fiscal year	239,584	162,574
Three years before current fiscal year	117,391	97,778
Four years before current fiscal year	66,605	124,221
Prior	452,221	275,133
Revolving Loans Amortized Cost Basis	0	14,112
Revolving Loans Converted to Term	0	1,205
Total Loans	1,335,165	1,282,192
Residential real estate | Residential Real Estate | Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	218	0
One year before current fiscal year	335	0
Two years before current fiscal year	628	241
Three years before current fiscal year	682	702
Four years before current fiscal year	1,552	693
Prior	7,738	7,060
Revolving Loans Amortized Cost Basis	0	23
Revolving Loans Converted to Term	0	0
Total Loans	11,153	8,719
Consumer and other | Direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	31,243	20,653
One year before current fiscal year	13,999	10,744
Two years before current fiscal year	7,375	9,441
Three years before current fiscal year	6,231	5,659
Four years before current fiscal year	4,462	4,861
Prior	8,029	10,602
Revolving Loans Amortized Cost Basis	4,073	5,436
Revolving Loans Converted to Term	0	0
Total Loans	75,412	67,396
Consumer and other | Direct | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	31,243	20,653
One year before current fiscal year	13,999	10,735
Two years before current fiscal year	7,372	9,397
Three years before current fiscal year	6,138	5,542
Four years before current fiscal year	4,386	4,849
Prior	8,029	10,602
Revolving Loans Amortized Cost Basis	4,070	5,435
Revolving Loans Converted to Term	0	0
Total Loans	75,237	67,213
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	9
Two years before current fiscal year	3	44
Three years before current fiscal year	93	117
Four years before current fiscal year	76	12
Prior	0	0
Revolving Loans Amortized Cost Basis	3	1
Revolving Loans Converted to Term	0	0
Total Loans	175	183
Consumer and other | Indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	1,809
One year before current fiscal year	156	856
Two years before current fiscal year	146	960
Three years before current fiscal year	1,168	587
Four years before current fiscal year	645	363
Prior	109	80
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	2,224	4,655
Consumer and other | Indirect | Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current fiscal year	0	1,809
One year before current fiscal year	156	854
Two years before current fiscal year	146	812
Three years before current fiscal year	1,092	506
Four years before current fiscal year	635	362
Prior	101	66
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	2,130	4,409
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	2
Two years before current fiscal year	0	148
Three years before current fiscal year	76	81
Four years before current fiscal year	10	1
Prior	8	14
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total Loans	$ 94	$ 246