v3.26.1
ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Credit Quality Indicators (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]          
Total Loans $ 13,463,117 $ 12,989,546 $ 13,463,117 $ 12,989,546 $ 13,257,946
Total charge offs 9,284 8,566 23,651 35,667  
Commercial | Commercial and Industrial          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 387,316   387,316   854,638
Year two, current fiscal year amortized cost 820,713   820,713   533,442
Year three, current fiscal year amortized cost 464,050   464,050   308,611
Year four, current fiscal year amortized cost 316,635   316,635   267,041
Year five, current fiscal year amortized cost 213,597   213,597   71,972
Prior 445,022   445,022   425,235
Revolving loans amortized cost basis 7,724   7,724   7,947
Revolving loans converted to term 358,658   358,658   327,768
Total Loans 3,013,715 2,744,392 3,013,715 2,744,392 2,796,654
Year one, current fiscal year charge offs     0   2,020
Year two, current fiscal year charge offs     215   6,104
Year three, current fiscal year charge offs     513   1,857
Year four, current fiscal year charge offs     2,086   1,714
Year five, current fiscal year charge offs     5,089   13,405
Prior year charge offs     1,503   7,020
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 3,658 1,280 9,406 21,151 32,120
Commercial | Commercial and Industrial | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 362,154   362,154   792,428
Year two, current fiscal year amortized cost 790,371   790,371   498,646
Year three, current fiscal year amortized cost 437,846   437,846   295,043
Year four, current fiscal year amortized cost 300,065   300,065   238,011
Year five, current fiscal year amortized cost 192,114   192,114   67,071
Prior 412,804   412,804   390,703
Revolving loans amortized cost basis 7,697   7,697   7,917
Revolving loans converted to term 334,016   334,016   296,470
Total Loans 2,837,067   2,837,067   2,586,289
Commercial | Commercial and Industrial | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 4,591   4,591   12,525
Year two, current fiscal year amortized cost 5,305   5,305   16,960
Year three, current fiscal year amortized cost 1,488   1,488   4,617
Year four, current fiscal year amortized cost 4,942   4,942   14,149
Year five, current fiscal year amortized cost 10,587   10,587   1,736
Prior 3,354   3,354   4,812
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 9   9   3,127
Total Loans 30,276   30,276   57,926
Commercial | Commercial and Industrial | Substandard or lower          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 20,571   20,571   49,685
Year two, current fiscal year amortized cost 25,037   25,037   17,836
Year three, current fiscal year amortized cost 24,716   24,716   8,951
Year four, current fiscal year amortized cost 11,628   11,628   14,881
Year five, current fiscal year amortized cost 10,896   10,896   3,165
Prior 28,864   28,864   29,720
Revolving loans amortized cost basis 27   27   30
Revolving loans converted to term 24,633   24,633   28,171
Total Loans 146,372   146,372   152,439
Commercial | Owner-occupied commercial          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 196,099   196,099   259,870
Year two, current fiscal year amortized cost 253,120   253,120   243,063
Year three, current fiscal year amortized cost 211,582   211,582   273,114
Year four, current fiscal year amortized cost 232,452   232,452   187,740
Year five, current fiscal year amortized cost 167,176   167,176   193,955
Prior 589,915   589,915   494,599
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 280,023   280,023   284,998
Total Loans 1,930,367 1,947,594 1,930,367 1,947,594 1,937,339
Year one, current fiscal year charge offs     0   0
Year two, current fiscal year charge offs     0   0
Year three, current fiscal year charge offs     253   4
Year four, current fiscal year charge offs     0   0
Year five, current fiscal year charge offs     45   0
Prior year charge offs     0   211
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 0 0 298 0 215
Commercial | Owner-occupied commercial | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 193,698   193,698   243,709
Year two, current fiscal year amortized cost 242,887   242,887   237,172
Year three, current fiscal year amortized cost 203,602   203,602   257,796
Year four, current fiscal year amortized cost 221,715   221,715   176,149
Year five, current fiscal year amortized cost 151,818   151,818   186,215
Prior 559,259   559,259   467,831
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 267,936   267,936   267,819
Total Loans 1,840,915   1,840,915   1,836,691
Commercial | Owner-occupied commercial | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 0   0   4,701
Year two, current fiscal year amortized cost 1,174   1,174   0
Year three, current fiscal year amortized cost 2,421   2,421   685
Year four, current fiscal year amortized cost 0   0   1,369
Year five, current fiscal year amortized cost 2,590   2,590   1,632
Prior 2,182   2,182   2,035
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 361   361   7,393
Total Loans 8,728   8,728   17,815
Commercial | Owner-occupied commercial | Substandard or lower          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 2,401   2,401   11,460
Year two, current fiscal year amortized cost 9,059   9,059   5,891
Year three, current fiscal year amortized cost 5,559   5,559   14,633
Year four, current fiscal year amortized cost 10,737   10,737   10,222
Year five, current fiscal year amortized cost 12,768   12,768   6,108
Prior 28,474   28,474   24,733
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 11,726   11,726   9,786
Total Loans 80,724   80,724   82,833
Commercial | Commercial mortgages          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 421,171   421,171   563,856
Year two, current fiscal year amortized cost 430,788   430,788   399,652
Year three, current fiscal year amortized cost 365,328   365,328   525,875
Year four, current fiscal year amortized cost 408,161   408,161   370,119
Year five, current fiscal year amortized cost 325,459   325,459   362,786
Prior 1,264,368   1,264,368   1,081,930
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 668,574   668,574   611,941
Total Loans 3,883,849 3,911,537 3,883,849 3,911,537 3,916,159
Year one, current fiscal year charge offs     0   0
Year two, current fiscal year charge offs     0   34
Year three, current fiscal year charge offs     0   9
Year four, current fiscal year charge offs     0   0
Year five, current fiscal year charge offs     1,740   0
Prior year charge offs     0   4,540
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 1,740 197 1,740 197 4,583
Commercial | Commercial mortgages | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 400,354   400,354   527,094
Year two, current fiscal year amortized cost 408,229   408,229   390,403
Year three, current fiscal year amortized cost 362,004   362,004   521,726
Year four, current fiscal year amortized cost 407,648   407,648   354,680
Year five, current fiscal year amortized cost 306,622   306,622   357,104
Prior 1,207,247   1,207,247   1,020,802
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 636,693   636,693   578,575
Total Loans 3,728,797   3,728,797   3,750,384
Commercial | Commercial mortgages | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 0   0   2,927
Year two, current fiscal year amortized cost 0   0   734
Year three, current fiscal year amortized cost 0   0   1,592
Year four, current fiscal year amortized cost 0   0   0
Year five, current fiscal year amortized cost 3,584   3,584   1,202
Prior 11,388   11,388   24,450
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 4,727   4,727   90
Total Loans 19,699   19,699   30,995
Commercial | Commercial mortgages | Substandard or lower          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 20,817   20,817   33,835
Year two, current fiscal year amortized cost 22,559   22,559   8,515
Year three, current fiscal year amortized cost 3,324   3,324   2,557
Year four, current fiscal year amortized cost 513   513   15,439
Year five, current fiscal year amortized cost 15,253   15,253   4,480
Prior 45,733   45,733   36,678
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 27,154   27,154   33,276
Total Loans 135,353   135,353   134,780
Commercial | Construction          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 117,320   117,320   455,777
Year two, current fiscal year amortized cost 476,530   476,530   314,137
Year three, current fiscal year amortized cost 287,848   287,848   172,820
Year four, current fiscal year amortized cost 71,641   71,641   6,328
Year five, current fiscal year amortized cost 4,871   4,871   3,441
Prior 9,254   9,254   7,665
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 35,535   35,535   63,743
Total Loans 1,002,999 857,631 1,002,999 857,631 1,023,911
Year one, current fiscal year charge offs     0   0
Year two, current fiscal year charge offs     0   0
Year three, current fiscal year charge offs     0   4,900
Year four, current fiscal year charge offs     3,735   0
Year five, current fiscal year charge offs     0   0
Prior year charge offs     0   0
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 0 0 3,735 0 4,900
Commercial | Construction | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 117,320   117,320   444,484
Year two, current fiscal year amortized cost 466,667   466,667   308,702
Year three, current fiscal year amortized cost 282,413   282,413   155,421
Year four, current fiscal year amortized cost 70,667   70,667   6,328
Year five, current fiscal year amortized cost 2,863   2,863   3,441
Prior 9,254   9,254   7,665
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 35,027   35,027   62,445
Total Loans 984,211   984,211   988,486
Commercial | Construction | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 0   0   0
Year two, current fiscal year amortized cost 0   0   0
Year three, current fiscal year amortized cost 0   0   0
Year four, current fiscal year amortized cost 0   0   0
Year five, current fiscal year amortized cost 2,008   2,008   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 2,008   2,008   0
Commercial | Construction | Substandard or lower          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 0   0   11,293
Year two, current fiscal year amortized cost 9,863   9,863   5,435
Year three, current fiscal year amortized cost 5,435   5,435   17,399
Year four, current fiscal year amortized cost 974   974   0
Year five, current fiscal year amortized cost 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 508   508   1,298
Total Loans 16,780   16,780   35,425
Commercial | Commercial Small Business Leases          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 102,257   102,257   188,345
Year two, current fiscal year amortized cost 169,555   169,555   182,471
Year three, current fiscal year amortized cost 155,611   155,611   123,065
Year four, current fiscal year amortized cost 98,778   98,778   68,356
Year five, current fiscal year amortized cost 49,411   49,411   21,001
Prior 8,563   8,563   20,083
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 584,175 630,127 584,175 630,127 603,321
Year one, current fiscal year charge offs     18   460
Year two, current fiscal year charge offs     356   2,887
Year three, current fiscal year charge offs     2,070   5,359
Year four, current fiscal year charge offs     1,332   3,938
Year five, current fiscal year charge offs     1,182   1,489
Prior year charge offs     379   253
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 2,417 4,376 5,337 7,343 14,386
Commercial | Commercial Small Business Leases | Performing          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 102,257   102,257   188,345
Year two, current fiscal year amortized cost 169,555   169,555   182,471
Year three, current fiscal year amortized cost 155,611   155,611   123,065
Year four, current fiscal year amortized cost 98,778   98,778   68,356
Year five, current fiscal year amortized cost 49,411   49,411   21,001
Prior 8,563   8,563   20,083
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 584,175   584,175   603,321
Commercial | Commercial Small Business Leases | Nonperforming          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 0   0   0
Year two, current fiscal year amortized cost 0   0   0
Year three, current fiscal year amortized cost 0   0   0
Year four, current fiscal year amortized cost 0   0   0
Year five, current fiscal year amortized cost 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 0   0   0
Residential          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 238,396   238,396   231,358
Year two, current fiscal year amortized cost 215,929   215,929   154,565
Year three, current fiscal year amortized cost 134,271   134,271   144,773
Year four, current fiscal year amortized cost 127,759   127,759   59,915
Year five, current fiscal year amortized cost 55,582   55,582   87,689
Prior 460,837   460,837   407,802
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 1,232,774 976,462 1,232,774 976,462 1,086,102
Year one, current fiscal year charge offs     0   0
Year two, current fiscal year charge offs     0   0
Year three, current fiscal year charge offs     0   0
Year four, current fiscal year charge offs     0   0
Year five, current fiscal year charge offs     0   0
Prior year charge offs     0   0
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 0 0 0 0 0
Residential | Performing          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 238,396   238,396   231,358
Year two, current fiscal year amortized cost 215,929   215,929   154,565
Year three, current fiscal year amortized cost 134,271   134,271   144,660
Year four, current fiscal year amortized cost 127,650   127,650   59,915
Year five, current fiscal year amortized cost 55,582   55,582   84,198
Prior 453,737   453,737   403,653
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 1,225,565   1,225,565   1,078,349
Residential | Nonperforming          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 0   0   0
Year two, current fiscal year amortized cost 0   0   0
Year three, current fiscal year amortized cost 0   0   113
Year four, current fiscal year amortized cost 109   109   0
Year five, current fiscal year amortized cost 0   0   3,491
Prior 7,100   7,100   4,149
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 7,209   7,209   7,753
Consumer(3)          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 8,585   8,585   46,648
Year two, current fiscal year amortized cost 37,157   37,157   214,198
Year three, current fiscal year amortized cost 177,304   177,304   230,511
Year four, current fiscal year amortized cost 192,166   192,166   322,219
Year five, current fiscal year amortized cost 282,126   282,126   86,583
Prior 289,140   289,140   262,658
Revolving loans amortized cost basis 817,380   817,380   719,986
Revolving loans converted to term 11,380   11,380   11,657
Total Loans 1,815,238 1,921,803 1,815,238 1,921,803 1,894,460
Year one, current fiscal year charge offs     593   9,506
Year two, current fiscal year charge offs     70   709
Year three, current fiscal year charge offs     435   1,956
Year four, current fiscal year charge offs     221   4,097
Year five, current fiscal year charge offs     793   1,256
Prior year charge offs     1,023   1,339
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 1,469 $ 2,713 3,135 $ 6,976 18,863
Consumer(3) | Performing          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 8,585   8,585   46,648
Year two, current fiscal year amortized cost 37,157   37,157   214,198
Year three, current fiscal year amortized cost 177,304   177,304   230,309
Year four, current fiscal year amortized cost 191,911   191,911   321,908
Year five, current fiscal year amortized cost 281,711   281,711   86,583
Prior 288,974   288,974   262,586
Revolving loans amortized cost basis 814,734   814,734   717,385
Revolving loans converted to term 11,151   11,151   11,421
Total Loans 1,811,527   1,811,527   1,891,038
Consumer(3) | Nonperforming          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 0   0   0
Year two, current fiscal year amortized cost 0   0   0
Year three, current fiscal year amortized cost 0   0   202
Year four, current fiscal year amortized cost 255   255   311
Year five, current fiscal year amortized cost 415   415   0
Prior 166   166   72
Revolving loans amortized cost basis 2,646   2,646   2,601
Revolving loans converted to term 229   229   236
Total Loans $ 3,711   $ 3,711   $ 3,422