v3.26.3
ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Credit Quality Indicators (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]          
Total Loans $ 13,638,712 $ 12,955,253 $ 13,638,712 $ 12,955,253 $ 13,257,946
Total charge offs 8,532 12,353 32,183 48,020  
Commercial | Commercial and Industrial          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 601,186   601,186   854,638
Year two, current fiscal year amortized cost 696,201   696,201   533,442
Year three, current fiscal year amortized cost 444,975   444,975   308,611
Year four, current fiscal year amortized cost 301,209   301,209   267,041
Year five, current fiscal year amortized cost 176,893   176,893   71,972
Prior 328,139   328,139   425,235
Revolving loans amortized cost basis 7,407   7,407   7,947
Revolving loans converted to term 419,070   419,070   327,768
Total Loans 2,975,080 2,625,152 2,975,080 2,625,152 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     1,125   1,857
Year four, current fiscal year charge offs     3,015   1,714
Year five, current fiscal year charge offs     5,135   13,405
Prior year charge offs     3,844   7,020
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 3,928 7,363 13,334 28,514 32,120
Commercial | Commercial and Industrial | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 556,154   556,154   792,428
Year two, current fiscal year amortized cost 665,767   665,767   498,646
Year three, current fiscal year amortized cost 421,476   421,476   295,043
Year four, current fiscal year amortized cost 284,933   284,933   238,011
Year five, current fiscal year amortized cost 160,635   160,635   67,071
Prior 297,773   297,773   390,703
Revolving loans amortized cost basis 7,319   7,319   7,917
Revolving loans converted to term 389,089   389,089   296,470
Total Loans 2,783,146   2,783,146   2,586,289
Commercial | Commercial and Industrial | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 14,025   14,025   12,525
Year two, current fiscal year amortized cost 10,052   10,052   16,960
Year three, current fiscal year amortized cost 2,893   2,893   4,617
Year four, current fiscal year amortized cost 3,099   3,099   14,149
Year five, current fiscal year amortized cost 12,496   12,496   1,736
Prior 5,214   5,214   4,812
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 2,834   2,834   3,127
Total Loans 50,613   50,613   57,926
Commercial | Commercial and Industrial | Substandard or lower          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 31,007   31,007   49,685
Year two, current fiscal year amortized cost 20,382   20,382   17,836
Year three, current fiscal year amortized cost 20,606   20,606   8,951
Year four, current fiscal year amortized cost 13,177   13,177   14,881
Year five, current fiscal year amortized cost 3,762   3,762   3,165
Prior 25,152   25,152   29,720
Revolving loans amortized cost basis 88   88   30
Revolving loans converted to term 27,147   27,147   28,171
Total Loans 141,321   141,321   152,439
Commercial | Owner-occupied commercial          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 345,153   345,153   259,870
Year two, current fiscal year amortized cost 256,742   256,742   243,063
Year three, current fiscal year amortized cost 213,776   213,776   273,114
Year four, current fiscal year amortized cost 225,830   225,830   187,740
Year five, current fiscal year amortized cost 162,358   162,358   193,955
Prior 543,111   543,111   494,599
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 293,329   293,329   284,998
Total Loans 2,040,299 1,922,767 2,040,299 1,922,767 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     523   4
Year four, current fiscal year charge offs     0   0
Year five, current fiscal year charge offs     45   0
Prior year charge offs     41   211
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 311 4 609 4 215
Commercial | Owner-occupied commercial | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 340,665   340,665   243,709
Year two, current fiscal year amortized cost 248,130   248,130   237,172
Year three, current fiscal year amortized cost 209,400   209,400   257,796
Year four, current fiscal year amortized cost 216,100   216,100   176,149
Year five, current fiscal year amortized cost 145,469   145,469   186,215
Prior 515,095   515,095   467,831
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 281,390   281,390   267,819
Total Loans 1,956,249   1,956,249   1,836,691
Commercial | Owner-occupied commercial | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 2,236   2,236   4,701
Year two, current fiscal year amortized cost 0   0   0
Year three, current fiscal year amortized cost 72   72   685
Year four, current fiscal year amortized cost 0   0   1,369
Year five, current fiscal year amortized cost 3,738   3,738   1,632
Prior 2,160   2,160   2,035
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   7,393
Total Loans 8,206   8,206   17,815
Commercial | Owner-occupied commercial | Substandard or lower          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 2,252   2,252   11,460
Year two, current fiscal year amortized cost 8,612   8,612   5,891
Year three, current fiscal year amortized cost 4,304   4,304   14,633
Year four, current fiscal year amortized cost 9,730   9,730   10,222
Year five, current fiscal year amortized cost 13,151   13,151   6,108
Prior 25,856   25,856   24,733
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 11,939   11,939   9,786
Total Loans 75,844   75,844   82,833
Commercial | Commercial mortgages          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 559,692   559,692   563,856
Year two, current fiscal year amortized cost 425,825   425,825   399,652
Year three, current fiscal year amortized cost 351,393   351,393   525,875
Year four, current fiscal year amortized cost 370,825   370,825   370,119
Year five, current fiscal year amortized cost 317,847   317,847   362,786
Prior 1,203,570   1,203,570   1,081,930
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 655,575   655,575   611,941
Total Loans 3,884,727 3,855,971 3,884,727 3,855,971 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 0 43 1,740 240 4,583
Commercial | Commercial mortgages | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 528,031   528,031   527,094
Year two, current fiscal year amortized cost 403,196   403,196   390,403
Year three, current fiscal year amortized cost 323,778   323,778   521,726
Year four, current fiscal year amortized cost 364,046   364,046   354,680
Year five, current fiscal year amortized cost 299,143   299,143   357,104
Prior 1,153,634   1,153,634   1,020,802
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 632,440   632,440   578,575
Total Loans 3,704,268   3,704,268   3,750,384
Commercial | Commercial mortgages | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 10,647   10,647   2,927
Year two, current fiscal year amortized cost 0   0   734
Year three, current fiscal year amortized cost 24,342   24,342   1,592
Year four, current fiscal year amortized cost 6,400   6,400   0
Year five, current fiscal year amortized cost 3,546   3,546   1,202
Prior 11,232   11,232   24,450
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 4,083   4,083   90
Total Loans 60,250   60,250   30,995
Commercial | Commercial mortgages | Substandard or lower          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 21,014   21,014   33,835
Year two, current fiscal year amortized cost 22,629   22,629   8,515
Year three, current fiscal year amortized cost 3,273   3,273   2,557
Year four, current fiscal year amortized cost 379   379   15,439
Year five, current fiscal year amortized cost 15,158   15,158   4,480
Prior 38,704   38,704   36,678
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 19,052   19,052   33,276
Total Loans 120,209   120,209   134,780
Commercial | Construction          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 225,156   225,156   455,777
Year two, current fiscal year amortized cost 402,580   402,580   314,137
Year three, current fiscal year amortized cost 267,888   267,888   172,820
Year four, current fiscal year amortized cost 62,146   62,146   6,328
Year five, current fiscal year amortized cost 2,735   2,735   3,441
Prior 15,038   15,038   7,665
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 29,328   29,328   63,743
Total Loans 1,004,871 1,003,986 1,004,871 1,003,986 1,023,911
Year one, current fiscal year charge offs     0   0
Year two, current fiscal year charge offs     700   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 700 0 4,435 0 4,900
Commercial | Construction | Pass          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 196,177   196,177   444,484
Year two, current fiscal year amortized cost 397,822   397,822   308,702
Year three, current fiscal year amortized cost 262,453   262,453   155,421
Year four, current fiscal year amortized cost 61,172   61,172   6,328
Year five, current fiscal year amortized cost 2,735   2,735   3,441
Prior 15,038   15,038   7,665
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 28,821   28,821   62,445
Total Loans 964,218   964,218   988,486
Commercial | Construction | Special mention          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 20,338   20,338   0
Year two, current fiscal year amortized cost 3,458   3,458   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 23,796   23,796   0
Commercial | Construction | Substandard or lower          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 8,641   8,641   11,293
Year two, current fiscal year amortized cost 1,300   1,300   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 507   507   1,298
Total Loans 16,857   16,857   35,425
Commercial | Commercial Small Business Leases          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 167,777   167,777   188,345
Year two, current fiscal year amortized cost 156,802   156,802   182,471
Year three, current fiscal year amortized cost 140,248   140,248   123,065
Year four, current fiscal year amortized cost 85,709   85,709   68,356
Year five, current fiscal year amortized cost 39,275   39,275   21,001
Prior 3,301   3,301   20,083
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 593,112 617,256 593,112 617,256 603,321
Year one, current fiscal year charge offs     77   460
Year two, current fiscal year charge offs     857   2,887
Year three, current fiscal year charge offs     2,646   5,359
Year four, current fiscal year charge offs     2,204   3,938
Year five, current fiscal year charge offs     1,644   1,489
Prior year charge offs     497   253
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 2,588 3,860 7,925 11,203 14,386
Commercial | Commercial Small Business Leases | Performing          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 167,777   167,777   188,345
Year two, current fiscal year amortized cost 156,802   156,802   182,471
Year three, current fiscal year amortized cost 140,248   140,248   123,065
Year four, current fiscal year amortized cost 85,709   85,709   68,356
Year five, current fiscal year amortized cost 39,275   39,275   21,001
Prior 3,301   3,301   20,083
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 593,112   593,112   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 376,792   376,792   231,358
Year two, current fiscal year amortized cost 213,500   213,500   154,565
Year three, current fiscal year amortized cost 123,135   123,135   144,773
Year four, current fiscal year amortized cost 123,098   123,098   59,915
Year five, current fiscal year amortized cost 54,957   54,957   87,689
Prior 436,341   436,341   407,802
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 1,327,823 1,033,343 1,327,823 1,033,343 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 376,792   376,792   231,358
Year two, current fiscal year amortized cost 213,500   213,500   154,565
Year three, current fiscal year amortized cost 123,135   123,135   144,660
Year four, current fiscal year amortized cost 122,991   122,991   59,915
Year five, current fiscal year amortized cost 54,957   54,957   84,198
Prior 429,335   429,335   403,653
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 1,320,710   1,320,710   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 107   107   0
Year five, current fiscal year amortized cost 0   0   3,491
Prior 7,006   7,006   4,149
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term 0   0   0
Total Loans 7,113   7,113   7,753
Consumer          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 11,801   11,801   46,648
Year two, current fiscal year amortized cost 34,501   34,501   214,198
Year three, current fiscal year amortized cost 161,632   161,632   230,511
Year four, current fiscal year amortized cost 175,527   175,527   322,219
Year five, current fiscal year amortized cost 265,174   265,174   86,583
Prior 278,891   278,891   262,658
Revolving loans amortized cost basis 874,360   874,360   719,986
Revolving loans converted to term 10,914   10,914   11,657
Total Loans 1,812,800 1,896,778 1,812,800 1,896,778 1,894,460
Year one, current fiscal year charge offs     839   9,506
Year two, current fiscal year charge offs     97   709
Year three, current fiscal year charge offs     710   1,956
Year four, current fiscal year charge offs     385   4,097
Year five, current fiscal year charge offs     862   1,256
Prior year charge offs     1,247   1,339
Revolving loans amortized cost basis charge offs     0   0
Revolving loans converted to term gross charge offs     0   0
Total charge offs 1,005 $ 1,083 4,140 $ 8,059 18,863
Consumer | Performing          
Financing Receivable, Credit Quality Indicator [Line Items]          
Year one, current fiscal year amortized cost 11,801   11,801   46,648
Year two, current fiscal year amortized cost 34,501   34,501   214,198
Year three, current fiscal year amortized cost 161,632   161,632   230,309
Year four, current fiscal year amortized cost 175,226   175,226   321,908
Year five, current fiscal year amortized cost 264,648   264,648   86,583
Prior 278,794   278,794   262,586
Revolving loans amortized cost basis 871,807   871,807   717,385
Revolving loans converted to term 10,610   10,610   11,421
Total Loans 1,809,019   1,809,019   1,891,038
Consumer | 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 301   301   311
Year five, current fiscal year amortized cost 526   526   0
Prior 97   97   72
Revolving loans amortized cost basis 2,553   2,553   2,601
Revolving loans converted to term 304   304   236
Total Loans $ 3,781   $ 3,781   $ 3,422