v3.26.1
LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Risk Grading of Loan Portfolio by Loan Class (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year $ 1,172,494 $ 3,328,742
Current fiscal year, charge-offs 37 8,288
Fiscal year before current fiscal year 2,961,079 1,925,189
Fiscal year before current fiscal year, charge-offs 7,234 2,478
Two years before current fiscal year 1,781,828 1,271,161
Two years before current fiscal year, charge-offs 1,010 4,020
Three years before current fiscal year 1,287,430 1,466,305
Three years before current fiscal year, charge-offs 1,292 2,501
Four years before current fiscal year 1,649,637 1,274,125
Four years before current fiscal year, charge-offs 2,232 4,500
Prior 3,371,502 1,794,274
Prior, charge-offs 5,611 2,434
Revolving loans amortized cost basis 3,295,439 2,728,167
Revolving loans amortized cost basis, charge-offs 0 0
Revolving loans converted to term 11,328 3,744
Revolving loans converted to term, charge-offs 0 0
Total 15,530,737 13,791,707
Total, charge-offs 17,416 24,221
Commercial and industrial loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 471,872 1,529,635
Current fiscal year, charge-offs 0 7,981
Fiscal year before current fiscal year 1,216,815 763,030
Fiscal year before current fiscal year, charge-offs 3,294 1,348
Two years before current fiscal year 628,308 246,950
Two years before current fiscal year, charge-offs 633 2,434
Three years before current fiscal year 220,882 122,001
Three years before current fiscal year, charge-offs 733 264
Four years before current fiscal year 126,776 85,585
Four years before current fiscal year, charge-offs 1,807 3,685
Prior 246,439 85,395
Prior, charge-offs 4,764 1,964
Revolving loans amortized cost basis 1,808,920 1,645,686
Revolving loans amortized cost basis, charge-offs 0 0
Revolving loans converted to term 429 0
Revolving loans converted to term, charge-offs 0 0
Total 4,720,441 4,478,282
Total, charge-offs 11,231 17,676
Commercial and industrial loans | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 466,817 1,518,095
Fiscal year before current fiscal year 1,182,789 710,695
Two years before current fiscal year 585,824 236,596
Three years before current fiscal year 198,497 115,775
Four years before current fiscal year 114,033 69,834
Prior 199,661 65,800
Revolving loans amortized cost basis 1,667,871 1,540,939
Revolving loans converted to term 429 0
Total 4,415,921 4,257,734
Commercial and industrial loans | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 214 9,552
Fiscal year before current fiscal year 4,037 34,613
Two years before current fiscal year 17,049 7,683
Three years before current fiscal year 18,538 3,246
Four years before current fiscal year 8,018 4,041
Prior 6,876 479
Revolving loans amortized cost basis 84,008 40,986
Revolving loans converted to term 0 0
Total 138,740 100,600
Commercial and industrial loans | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 4,841 1,587
Fiscal year before current fiscal year 2,868 17,140
Two years before current fiscal year 24,845 2,671
Three years before current fiscal year 3,847 2,980
Four years before current fiscal year 4,725 11,710
Prior 28,646 19,116
Revolving loans amortized cost basis 51,727 62,556
Revolving loans converted to term 0 0
Total 121,499 117,760
Commercial and industrial loans | Doubtful    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 401
Fiscal year before current fiscal year 27,121 582
Two years before current fiscal year 590 0
Three years before current fiscal year 0 0
Four years before current fiscal year 0 0
Prior 11,256 0
Revolving loans amortized cost basis 5,314 1,205
Revolving loans converted to term 0 0
Total 44,281 2,188
Agricultural land, production and other loans to farmers    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 33,420 64,149
Fiscal year before current fiscal year 63,738 22,270
Two years before current fiscal year 26,792 20,962
Three years before current fiscal year 20,534 24,964
Four years before current fiscal year 27,338 22,246
Prior 74,499 46,092
Revolving loans amortized cost basis 77,027 82,442
Revolving loans converted to term 0 0
Total 323,348 283,125
Agricultural land, production and other loans to farmers | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 33,420 62,959
Fiscal year before current fiscal year 62,738 18,469
Two years before current fiscal year 24,635 20,924
Three years before current fiscal year 20,446 24,465
Four years before current fiscal year 27,322 22,246
Prior 73,048 42,529
Revolving loans amortized cost basis 73,820 80,039
Revolving loans converted to term 0 0
Total 315,429 271,631
Agricultural land, production and other loans to farmers | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 590
Fiscal year before current fiscal year 400 1,636
Two years before current fiscal year 0 22
Three years before current fiscal year 0 499
Four years before current fiscal year 0 0
Prior 0 1,478
Revolving loans amortized cost basis 2,250 1,182
Revolving loans converted to term 0 0
Total 2,650 5,407
Agricultural land, production and other loans to farmers | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 600
Fiscal year before current fiscal year 600 2,165
Two years before current fiscal year 2,157 16
Three years before current fiscal year 88 0
Four years before current fiscal year 16 0
Prior 1,451 2,085
Revolving loans amortized cost basis 957 1,221
Revolving loans converted to term 0 0
Total 5,269 6,087
Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 75,598 306,797
Current fiscal year, charge-offs   0
Fiscal year before current fiscal year 353,827 332,831
Fiscal year before current fiscal year, charge-offs   63
Two years before current fiscal year 281,794 101,228
Two years before current fiscal year, charge-offs   0
Three years before current fiscal year 100,568 29,100
Three years before current fiscal year, charge-offs   0
Four years before current fiscal year 28,678 9,604
Four years before current fiscal year, charge-offs   1
Prior 15,844 9,954
Prior, charge-offs   0
Revolving loans amortized cost basis 18,110 15,261
Revolving loans amortized cost basis, charge-offs   0
Revolving loans converted to term 0 0
Revolving loans converted to term, charge-offs   0
Total 874,419 804,775
Total, charge-offs   64
Construction | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 75,598 231,041
Fiscal year before current fiscal year 344,291 313,838
Two years before current fiscal year 281,794 100,587
Three years before current fiscal year 100,568 17,515
Four years before current fiscal year 16,976 921
Prior 15,514 9,954
Revolving loans amortized cost basis 18,110 15,261
Revolving loans converted to term 0 0
Total 852,851 689,117
Construction | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 41,580
Fiscal year before current fiscal year 9,536 6,104
Two years before current fiscal year 0 0
Three years before current fiscal year 0 0
Four years before current fiscal year 35 8,683
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term 0 0
Total 9,571 56,367
Construction | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 34,176
Fiscal year before current fiscal year 0 12,889
Two years before current fiscal year 0 641
Three years before current fiscal year 0 11,585
Four years before current fiscal year 11,667 0
Prior 330 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term 0 0
Total 11,997 59,291
Commercial real estate, non-owner occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 226,178 599,642
Current fiscal year, charge-offs 0 0
Fiscal year before current fiscal year 587,127 305,708
Fiscal year before current fiscal year, charge-offs 3,468 0
Two years before current fiscal year 338,303 297,620
Two years before current fiscal year, charge-offs 0 0
Three years before current fiscal year 368,761 267,466
Three years before current fiscal year, charge-offs 0 451
Four years before current fiscal year 544,730 372,491
Four years before current fiscal year, charge-offs 0 0
Prior 1,177,764 463,717
Prior, charge-offs 0 16
Revolving loans amortized cost basis 28,757 32,022
Revolving loans amortized cost basis, charge-offs 0 0
Revolving loans converted to term 0 0
Revolving loans converted to term, charge-offs 0 0
Total 3,271,620 2,338,666
Total, charge-offs 3,468 467
Commercial real estate, non-owner occupied | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 226,178 482,587
Fiscal year before current fiscal year 523,756 259,106
Two years before current fiscal year 299,785 292,161
Three years before current fiscal year 323,063 258,662
Four years before current fiscal year 535,571 367,482
Prior 1,140,422 458,340
Revolving loans amortized cost basis 28,697 31,841
Revolving loans converted to term 0 0
Total 3,077,472 2,150,179
Commercial real estate, non-owner occupied | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 59,566
Fiscal year before current fiscal year 9,128 36,106
Two years before current fiscal year 8,730 340
Three years before current fiscal year 39,842 3,633
Four years before current fiscal year 3,808 2,308
Prior 29,318 4,715
Revolving loans amortized cost basis 60 100
Revolving loans converted to term 0 0
Total 90,886 106,768
Commercial real estate, non-owner occupied | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 57,489
Fiscal year before current fiscal year 54,243 10,496
Two years before current fiscal year 29,788 5,119
Three years before current fiscal year 5,856 5,171
Four years before current fiscal year 5,351 2,701
Prior 8,024 662
Revolving loans amortized cost basis 0 81
Revolving loans converted to term 0 0
Total 103,262 81,719
Commercial real estate, owner occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 146,674 333,004
Current fiscal year, charge-offs 0 0
Fiscal year before current fiscal year 288,182 166,399
Fiscal year before current fiscal year, charge-offs 0 243
Two years before current fiscal year 163,558 135,784
Two years before current fiscal year, charge-offs 0 152
Three years before current fiscal year 133,649 152,333
Three years before current fiscal year, charge-offs 57 0
Four years before current fiscal year 160,264 186,079
Four years before current fiscal year, charge-offs 5 0
Prior 428,773 228,815
Prior, charge-offs 211 4
Revolving loans amortized cost basis 47,527 34,686
Revolving loans amortized cost basis, charge-offs 0 0
Revolving loans converted to term 0 0
Revolving loans converted to term, charge-offs 0 0
Total 1,368,627 1,237,100
Total, charge-offs 273 399
Commercial real estate, owner occupied | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 144,339 332,121
Fiscal year before current fiscal year 282,324 136,005
Two years before current fiscal year 144,262 129,030
Three years before current fiscal year 125,596 141,679
Four years before current fiscal year 145,183 180,180
Prior 408,099 219,914
Revolving loans amortized cost basis 46,685 33,983
Revolving loans converted to term 0 0
Total 1,296,488 1,172,912
Commercial real estate, owner occupied | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 395 883
Fiscal year before current fiscal year 2,591 16,592
Two years before current fiscal year 3,127 1,426
Three years before current fiscal year 5,440 4,922
Four years before current fiscal year 6,033 4,838
Prior 11,074 1,075
Revolving loans amortized cost basis 549 443
Revolving loans converted to term 0 0
Total 29,209 30,179
Commercial real estate, owner occupied | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 1,940 0
Fiscal year before current fiscal year 3,267 13,510
Two years before current fiscal year 16,169 5,328
Three years before current fiscal year 2,613 5,732
Four years before current fiscal year 9,048 1,061
Prior 9,600 7,826
Revolving loans amortized cost basis 293 260
Revolving loans converted to term 0 0
Total 42,930 33,717
Commercial real estate, owner occupied | Doubtful    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year   0
Fiscal year before current fiscal year   292
Two years before current fiscal year   0
Three years before current fiscal year   0
Four years before current fiscal year   0
Prior   0
Revolving loans amortized cost basis   0
Revolving loans converted to term   0
Total   292
Residential    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 169,892 310,692
Current fiscal year, charge-offs 0 0
Fiscal year before current fiscal year 314,683 169,851
Fiscal year before current fiscal year, charge-offs 137 114
Two years before current fiscal year 182,465 400,207
Two years before current fiscal year, charge-offs 22 814
Three years before current fiscal year 372,298 630,497
Three years before current fiscal year, charge-offs 279 737
Four years before current fiscal year 522,660 363,495
Four years before current fiscal year, charge-offs 311 102
Prior 791,490 537,720
Prior, charge-offs 279 163
Revolving loans amortized cost basis 7,199 7,802
Revolving loans amortized cost basis, charge-offs 0 0
Revolving loans converted to term 793 46
Revolving loans converted to term, charge-offs 0 0
Total 2,361,480 2,420,310
Total, charge-offs 1,028 1,930
Residential | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 169,892 310,019
Fiscal year before current fiscal year 312,355 167,128
Two years before current fiscal year 179,954 389,574
Three years before current fiscal year 363,070 613,787
Four years before current fiscal year 508,030 352,662
Prior 772,020 528,875
Revolving loans amortized cost basis 3,660 7,188
Revolving loans converted to term 768 46
Total 2,309,749 2,369,279
Residential | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 345
Fiscal year before current fiscal year 900 1,312
Two years before current fiscal year 1,141 6,116
Three years before current fiscal year 4,266 9,565
Four years before current fiscal year 7,655 5,993
Prior 9,320 4,926
Revolving loans amortized cost basis 0 346
Revolving loans converted to term 25 0
Total 23,307 28,603
Residential | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 328
Fiscal year before current fiscal year 1,428 1,411
Two years before current fiscal year 1,136 4,517
Three years before current fiscal year 4,962 7,145
Four years before current fiscal year 6,975 4,840
Prior 10,042 3,919
Revolving loans amortized cost basis 3,193 268
Revolving loans converted to term 0 0
Total 27,736 22,428
Residential | Doubtful    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0  
Fiscal year before current fiscal year 0  
Two years before current fiscal year 234  
Three years before current fiscal year 0  
Four years before current fiscal year 0  
Prior 108  
Revolving loans amortized cost basis 346  
Revolving loans converted to term 0  
Total 688  
Home equity    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 1,275 10,233
Current fiscal year, charge-offs 0 0
Fiscal year before current fiscal year 8,434 3,694
Fiscal year before current fiscal year, charge-offs 0 92
Two years before current fiscal year 3,815 3,431
Two years before current fiscal year, charge-offs 6 8
Three years before current fiscal year 5,274 21,829
Three years before current fiscal year, charge-offs 7 653
Four years before current fiscal year 20,589 43,500
Four years before current fiscal year, charge-offs 24 563
Prior 51,342 10,630
Prior, charge-offs 268 204
Revolving loans amortized cost basis 1,018,925 615,754
Revolving loans amortized cost basis, charge-offs 0 0
Revolving loans converted to term 9,008 1,909
Revolving loans converted to term, charge-offs 0 0
Total 1,118,662 710,980
Total, charge-offs 305 1,520
Home equity | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 1,275 10,173
Fiscal year before current fiscal year 8,396 3,020
Two years before current fiscal year 3,806 3,431
Three years before current fiscal year 4,615 21,442
Four years before current fiscal year 20,353 42,749
Prior 50,168 10,194
Revolving loans amortized cost basis 1,003,997 608,020
Revolving loans converted to term 8,765 1,470
Total 1,101,375 700,499
Home equity | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 0
Fiscal year before current fiscal year 38 674
Two years before current fiscal year 9 0
Three years before current fiscal year 0 297
Four years before current fiscal year 183 447
Prior 473 59
Revolving loans amortized cost basis 11,454 5,097
Revolving loans converted to term 35 329
Total 12,192 6,903
Home equity | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0 60
Fiscal year before current fiscal year 0 0
Two years before current fiscal year 0 0
Three years before current fiscal year 659 90
Four years before current fiscal year 53 304
Prior 701 377
Revolving loans amortized cost basis 3,474 2,637
Revolving loans converted to term 208 110
Total 5,095 3,578
Individuals' loans for household and other personal expenditures    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 22,459 40,586
Current fiscal year, charge-offs 37 307
Fiscal year before current fiscal year 29,952 16,664
Fiscal year before current fiscal year, charge-offs 335 618
Two years before current fiscal year 13,922 12,184
Two years before current fiscal year, charge-offs 349 612
Three years before current fiscal year 9,916 19,151
Three years before current fiscal year, charge-offs 216 396
Four years before current fiscal year 15,105 5,219
Four years before current fiscal year, charge-offs 85 149
Prior 5,297 3,977
Prior, charge-offs 89 83
Revolving loans amortized cost basis 52,129 55,866
Revolving loans amortized cost basis, charge-offs 0 0
Revolving loans converted to term 1,098 1,789
Revolving loans converted to term, charge-offs 0 0
Total 149,878 155,436
Total, charge-offs 1,111 2,165
Individuals' loans for household and other personal expenditures | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 22,454 40,478
Fiscal year before current fiscal year 29,693 16,525
Two years before current fiscal year 13,789 12,010
Three years before current fiscal year 9,634 19,038
Four years before current fiscal year 15,038 5,067
Prior 5,239 3,961
Revolving loans amortized cost basis 51,820 55,751
Revolving loans converted to term 1,098 1,649
Total 148,765 154,479
Individuals' loans for household and other personal expenditures | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 5 108
Fiscal year before current fiscal year 259 139
Two years before current fiscal year 133 174
Three years before current fiscal year 282 113
Four years before current fiscal year 67 152
Prior 58 16
Revolving loans amortized cost basis 309 115
Revolving loans converted to term 0 140
Total 1,113 957
Public finance and other commercial loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 25,126 134,004
Fiscal year before current fiscal year 98,321 144,742
Two years before current fiscal year 142,871 52,795
Three years before current fiscal year 55,548 198,964
Four years before current fiscal year 203,497 185,906
Prior 580,054 407,974
Revolving loans amortized cost basis 236,845 238,648
Revolving loans converted to term 0 0
Total 1,342,262 1,363,033
Public finance and other commercial loans | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 25,126 134,004
Fiscal year before current fiscal year 98,321 144,742
Two years before current fiscal year 142,871 52,795
Three years before current fiscal year 55,548 198,964
Four years before current fiscal year 203,497 185,906
Prior 579,843 407,974
Revolving loans amortized cost basis 236,845 238,648
Revolving loans converted to term 0 0
Total 1,342,051 $ 1,363,033
Public finance and other commercial loans | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Current fiscal year 0  
Fiscal year before current fiscal year 0  
Two years before current fiscal year 0  
Three years before current fiscal year 0  
Four years before current fiscal year 0  
Prior 211  
Revolving loans amortized cost basis 0  
Revolving loans converted to term 0  
Total $ 211