v3.26.1
Loans and Leases - 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          
Loans and leases $ 57,868,678   $ 57,868,678   $ 56,597,110
Current period gross write-offs          
Total 44,994 $ 41,238 89,216 $ 97,856  
Consumer portfolio          
Financing Receivable          
Total financing receivable, Current fiscal year 624,347   624,347   1,683,622
Total financing receivable, Fiscal year before current fiscal year 1,626,854   1,626,854   1,264,220
Total financing receivable, Two years before current fiscal year 1,044,233   1,044,233   651,351
Total financing receivable, Three years before current fiscal year 573,985   573,985   1,822,158
Total financing receivable, Four years before current fiscal year 1,755,072   1,755,072   2,018,069
Total financing receivable, More than five years before current fiscal year 4,701,930   4,701,930   2,908,007
Revolving Loans Amortized Cost Basis 1,010,208   1,010,208   1,019,487
Loans and leases 11,336,629   11,336,629   11,366,914
Current period gross write-offs          
Current fiscal year     1,855   3,325
Fiscal year before current fiscal year     2,284   3,641
Two years before current fiscal year     3,653   19
Three years before current fiscal year     11   11
Four years before current fiscal year     107   7
More than five years before current fiscal year     41   180
Revolving Loans Amortized Cost Basis     144   343
Total 4,098 $ 1,446 8,095 $ 2,498 7,526
Consumer portfolio | Residential          
Financing Receivable          
Total financing receivable, Current fiscal year 516,470   516,470   1,407,722
Total financing receivable, Fiscal year before current fiscal year 1,410,661   1,410,661   1,110,459
Total financing receivable, Two years before current fiscal year 935,426   935,426   596,381
Total financing receivable, Three years before current fiscal year 523,755   523,755   1,767,892
Total financing receivable, Four years before current fiscal year 1,704,493   1,704,493   1,952,691
Total financing receivable, More than five years before current fiscal year 4,509,640   4,509,640   2,764,432
Revolving Loans Amortized Cost Basis 0   0   0
Loans and leases 9,600,445   9,600,445   9,599,577
Current period gross write-offs          
Current fiscal year     0   0
Fiscal 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     102   0
More than five years before current fiscal year     30   135
Revolving Loans Amortized Cost Basis     0   0
Total     132   135
Consumer portfolio | Home equity          
Financing Receivable          
Total financing receivable, Current fiscal year 15,938   15,938   40,349
Total financing receivable, Fiscal year before current fiscal year 37,442   37,442   32,361
Total financing receivable, Two years before current fiscal year 28,342   28,342   53,927
Total financing receivable, Three years before current fiscal year 49,434   49,434   53,703
Total financing receivable, Four years before current fiscal year 50,220   50,220   63,495
Total financing receivable, More than five years before current fiscal year 190,122   190,122   143,074
Revolving Loans Amortized Cost Basis 969,884   969,884   983,604
Loans and leases 1,341,382   1,341,382   1,370,513
Current period gross write-offs          
Current fiscal year     0   0
Fiscal year before current fiscal year     0   50
Two years before current fiscal year     0   0
Three years before current fiscal year     0   1
Four years before current fiscal year     0   0
More than five years before current fiscal year     7   38
Revolving Loans Amortized Cost Basis     12   175
Total     19   264
Consumer portfolio | Other consumer          
Financing Receivable          
Total financing receivable, Current fiscal year 91,939   91,939   235,551
Total financing receivable, Fiscal year before current fiscal year 178,751   178,751   121,400
Total financing receivable, Two years before current fiscal year 80,465   80,465   1,043
Total financing receivable, Three years before current fiscal year 796   796   563
Total financing receivable, Four years before current fiscal year 359   359   1,883
Total financing receivable, More than five years before current fiscal year 2,168   2,168   501
Revolving Loans Amortized Cost Basis 40,324   40,324   35,883
Loans and leases 394,802   394,802   396,824
Current period gross write-offs          
Current fiscal year     1,855   3,325
Fiscal year before current fiscal year     2,284   3,591
Two years before current fiscal year     3,653   19
Three years before current fiscal year     11   10
Four years before current fiscal year     5   7
More than five years before current fiscal year     4   7
Revolving Loans Amortized Cost Basis     132   168
Total     7,944   7,127
800+ | Consumer portfolio | Residential          
Financing Receivable          
Total financing receivable, Current fiscal year 139,521   139,521   517,482
Total financing receivable, Fiscal year before current fiscal year 657,403   657,403   551,613
Total financing receivable, Two years before current fiscal year 475,425   475,425   272,249
Total financing receivable, Three years before current fiscal year 267,051   267,051   918,256
Total financing receivable, Four years before current fiscal year 908,648   908,648   1,045,573
Total financing receivable, More than five years before current fiscal year 2,234,546   2,234,546   1,258,654
Revolving Loans Amortized Cost Basis 0   0   0
Loans and leases 4,682,594   4,682,594   4,563,827
800+ | Consumer portfolio | Home equity          
Financing Receivable          
Total financing receivable, Current fiscal year 7,189   7,189   11,847
Total financing receivable, Fiscal year before current fiscal year 12,761   12,761   8,896
Total financing receivable, Two years before current fiscal year 9,252   9,252   23,146
Total financing receivable, Three years before current fiscal year 20,955   20,955   22,811
Total financing receivable, Four years before current fiscal year 22,603   22,603   29,498
Total financing receivable, More than five years before current fiscal year 88,613   88,613   65,401
Revolving Loans Amortized Cost Basis 353,568   353,568   348,961
Loans and leases 514,941   514,941   510,560
800+ | Consumer portfolio | Other consumer          
Financing Receivable          
Total financing receivable, Current fiscal year 6,066   6,066   11,131
Total financing receivable, Fiscal year before current fiscal year 7,708   7,708   4,799
Total financing receivable, Two years before current fiscal year 3,046   3,046   254
Total financing receivable, Three years before current fiscal year 196   196   74
Total financing receivable, Four years before current fiscal year 51   51   1,677
Total financing receivable, More than five years before current fiscal year 1,816   1,816   171
Revolving Loans Amortized Cost Basis 19,441   19,441   16,597
Loans and leases 38,324   38,324   34,703
740-799 | Consumer portfolio | Residential          
Financing Receivable          
Total financing receivable, Current fiscal year 291,712   291,712   687,120
Total financing receivable, Fiscal year before current fiscal year 572,447   572,447   419,019
Total financing receivable, Two years before current fiscal year 335,568   335,568   212,246
Total financing receivable, Three years before current fiscal year 166,214   166,214   480,885
Total financing receivable, Four years before current fiscal year 457,128   457,128   598,172
Total financing receivable, More than five years before current fiscal year 1,249,206   1,249,206   748,825
Revolving Loans Amortized Cost Basis 0   0   0
Loans and leases 3,072,275   3,072,275   3,146,267
740-799 | Consumer portfolio | Home equity          
Financing Receivable          
Total financing receivable, Current fiscal year 4,611   4,611   15,932
Total financing receivable, Fiscal year before current fiscal year 12,304   12,304   11,658
Total financing receivable, Two years before current fiscal year 8,219   8,219   16,149
Total financing receivable, Three years before current fiscal year 14,610   14,610   16,523
Total financing receivable, Four years before current fiscal year 13,259   13,259   19,123
Total financing receivable, More than five years before current fiscal year 51,689   51,689   35,861
Revolving Loans Amortized Cost Basis 304,125   304,125   317,846
Loans and leases 408,817   408,817   433,092
740-799 | Consumer portfolio | Other consumer          
Financing Receivable          
Total financing receivable, Current fiscal year 33,939   33,939   88,171
Total financing receivable, Fiscal year before current fiscal year 65,004   65,004   46,222
Total financing receivable, Two years before current fiscal year 29,769   29,769   368
Total financing receivable, Three years before current fiscal year 274   274   145
Total financing receivable, Four years before current fiscal year 103   103   30
Total financing receivable, More than five years before current fiscal year 70   70   136
Revolving Loans Amortized Cost Basis 5,163   5,163   3,273
Loans and leases 134,322   134,322   138,345
670-739 | Consumer portfolio | Residential          
Financing Receivable          
Total financing receivable, Current fiscal year 83,659   83,659   185,620
Total financing receivable, Fiscal year before current fiscal year 155,207   155,207   118,104
Total financing receivable, Two years before current fiscal year 103,564   103,564   84,332
Total financing receivable, Three years before current fiscal year 63,546   63,546   294,954
Total financing receivable, Four years before current fiscal year 260,912   260,912   241,266
Total financing receivable, More than five years before current fiscal year 809,237   809,237   604,881
Revolving Loans Amortized Cost Basis 0   0   0
Loans and leases 1,476,125   1,476,125   1,529,157
670-739 | Consumer portfolio | Home equity          
Financing Receivable          
Total financing receivable, Current fiscal year 3,408   3,408   10,811
Total financing receivable, Fiscal year before current fiscal year 10,258   10,258   9,786
Total financing receivable, Two years before current fiscal year 7,981   7,981   10,120
Total financing receivable, Three years before current fiscal year 9,809   9,809   9,351
Total financing receivable, Four years before current fiscal year 9,550   9,550   11,025
Total financing receivable, More than five years before current fiscal year 30,088   30,088   27,662
Revolving Loans Amortized Cost Basis 211,387   211,387   217,924
Loans and leases 282,481   282,481   296,679
670-739 | Consumer portfolio | Other consumer          
Financing Receivable          
Total financing receivable, Current fiscal year 51,174   51,174   133,564
Total financing receivable, Fiscal year before current fiscal year 103,982   103,982   68,381
Total financing receivable, Two years before current fiscal year 46,151   46,151   282
Total financing receivable, Three years before current fiscal year 204   204   231
Total financing receivable, Four years before current fiscal year 128   128   130
Total financing receivable, More than five years before current fiscal year 228   228   133
Revolving Loans Amortized Cost Basis 14,269   14,269   14,439
Loans and leases 216,136   216,136   217,160
580-669 | Consumer portfolio | Residential          
Financing Receivable          
Total financing receivable, Current fiscal year 1,162   1,162   16,852
Total financing receivable, Fiscal year before current fiscal year 23,155   23,155   19,346
Total financing receivable, Two years before current fiscal year 17,349   17,349   23,602
Total financing receivable, Three years before current fiscal year 18,651   18,651   51,886
Total financing receivable, Four years before current fiscal year 57,508   57,508   45,714
Total financing receivable, More than five years before current fiscal year 136,692   136,692   100,593
Revolving Loans Amortized Cost Basis 0   0   0
Loans and leases 254,517   254,517   257,993
580-669 | Consumer portfolio | Home equity          
Financing Receivable          
Total financing receivable, Current fiscal year 730   730   1,682
Total financing receivable, Fiscal year before current fiscal year 1,776   1,776   1,522
Total financing receivable, Two years before current fiscal year 1,921   1,921   2,850
Total financing receivable, Three years before current fiscal year 2,489   2,489   2,731
Total financing receivable, Four years before current fiscal year 3,038   3,038   2,941
Total financing receivable, More than five years before current fiscal year 11,351   11,351   9,607
Revolving Loans Amortized Cost Basis 62,322   62,322   68,953
Loans and leases 83,627   83,627   90,286
580-669 | Consumer portfolio | Other consumer          
Financing Receivable          
Total financing receivable, Current fiscal year 759   759   2,651
Total financing receivable, Fiscal year before current fiscal year 2,029   2,029   1,962
Total financing receivable, Two years before current fiscal year 1,489   1,489   74
Total financing receivable, Three years before current fiscal year 72   72   60
Total financing receivable, Four years before current fiscal year 41   41   27
Total financing receivable, More than five years before current fiscal year 48   48   59
Revolving Loans Amortized Cost Basis 986   986   1,136
Loans and leases 5,424   5,424   5,969
579 and below | Consumer portfolio | Residential          
Financing Receivable          
Total financing receivable, Current fiscal year 416   416   648
Total financing receivable, Fiscal year before current fiscal year 2,449   2,449   2,377
Total financing receivable, Two years before current fiscal year 3,520   3,520   3,952
Total financing receivable, Three years before current fiscal year 8,293   8,293   21,911
Total financing receivable, Four years before current fiscal year 20,297   20,297   21,966
Total financing receivable, More than five years before current fiscal year 79,959   79,959   51,479
Revolving Loans Amortized Cost Basis 0   0   0
Loans and leases 114,934   114,934   102,333
579 and below | Consumer portfolio | Home equity          
Financing Receivable          
Total financing receivable, Current fiscal year 0   0   77
Total financing receivable, Fiscal year before current fiscal year 343   343   499
Total financing receivable, Two years before current fiscal year 969   969   1,662
Total financing receivable, Three years before current fiscal year 1,571   1,571   2,287
Total financing receivable, Four years before current fiscal year 1,770   1,770   908
Total financing receivable, More than five years before current fiscal year 8,381   8,381   4,543
Revolving Loans Amortized Cost Basis 38,482   38,482   29,920
Loans and leases 51,516   51,516   39,896
579 and below | Consumer portfolio | Other consumer          
Financing Receivable          
Total financing receivable, Current fiscal year 1   1   34
Total financing receivable, Fiscal year before current fiscal year 28   28   36
Total financing receivable, Two years before current fiscal year 10   10   65
Total financing receivable, Three years before current fiscal year 50   50   53
Total financing receivable, Four years before current fiscal year 36   36   19
Total financing receivable, More than five years before current fiscal year 6   6   2
Revolving Loans Amortized Cost Basis 465   465   438
Loans and leases $ 596   $ 596   $ 647