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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

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