v3.26.1
Loans Receivable - 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
Credit quality indicators          
Year one $ 1,627,719   $ 1,627,719   $ 2,357,715
Year two 2,130,456   2,130,456   1,481,855
Year three 1,219,697   1,219,697   1,266,021
Year four 1,077,017   1,077,017   1,722,334
Year five 1,436,795   1,436,795   1,367,011
Prior 4,009,316   4,009,316   3,146,924
Revolving loans 1,647,793   1,647,793   1,588,397
Revolving loans converted to term loans 80,434   80,434   77,059
Total loans receivable, gross 13,229,227   13,229,227   13,007,316
Total loans receivable, charge-offs (6,803) $ (7,907) (14,035) $ (13,260)  
Revolving loans converted to term loans during the period     15,000   16,000
Personal Banking          
Credit quality indicators          
Year one 932,495   932,495   1,357,050
Year two 1,161,078   1,161,078   563,522
Year three 451,485   451,485   610,030
Year four 502,694   502,694   966,938
Year five 843,439   843,439   896,029
Prior 2,490,234   2,490,234   1,808,075
Revolving loans 900,829   900,829   911,886
Revolving loans converted to term loans 59,869   59,869   58,672
Total loans receivable, gross 7,342,123   7,342,123   7,172,202
Total loans receivable, charge-offs (4,969) (4,017) (10,792) (8,683)  
Personal Banking | Residential mortgage loans          
Credit quality indicators          
Year one 66,537   66,537   65,511
Year two 60,475   60,475   41,435
Year three 37,804   37,804   217,329
Year four 200,384   200,384   609,740
Year five 579,472   579,472   711,882
Prior 2,057,236   2,057,236   1,454,883
Revolving loans 0   0   0
Revolving loans converted to term loans 0   0   0
Total loans receivable, gross 3,001,908   3,001,908   3,100,780
Year one, charge-offs     0   0
Year two, charge-offs     0   0
Year three, charge-offs     0   (51)
Year four, charge-offs     0   (447)
Year five, charge-offs     (286)   (55)
Prior, charge-offs     (1,180)   (623)
Revolving loans, charge-offs     0   (50)
Revolving loans converted to term loans, charge-offs     0   0
Total loans receivable, charge-offs (465) (273) (1,466) (861) (1,226)
Personal Banking | Residential mortgage loans | Pass          
Credit quality indicators          
Year one 66,537   66,537   65,511
Year two 60,367   60,367   41,435
Year three 37,804   37,804   216,600
Year four 199,709   199,709   607,377
Year five 577,292   577,292   709,122
Prior 2,048,433   2,048,433   1,448,488
Revolving loans 0   0   0
Revolving loans converted to term loans 0   0   0
Total loans receivable, gross 2,990,142   2,990,142   3,088,533
Personal Banking | Residential mortgage loans | Substandard          
Credit quality indicators          
Year one 0   0   0
Year two 108   108   0
Year three 0   0   729
Year four 675   675   2,363
Year five 2,180   2,180   2,760
Prior 8,803   8,803   6,395
Revolving loans 0   0   0
Revolving loans converted to term loans 0   0   0
Total loans receivable, gross 11,766   11,766   12,247
Personal Banking | Home equity loans          
Credit quality indicators          
Year one 61,066   61,066   99,444
Year two 88,532   88,532   26,377
Year three 23,817   23,817   47,348
Year four 42,534   42,534   71,341
Year five 64,754   64,754   71,038
Prior 325,291   325,291   291,561
Revolving loans 831,802   831,802   842,320
Revolving loans converted to term loans 59,361   59,361   58,103
Total loans receivable, gross 1,497,157   1,497,157   1,507,532
Year one, charge-offs     0   0
Year two, charge-offs     0   (85)
Year three, charge-offs     0   (13)
Year four, charge-offs     0   (219)
Year five, charge-offs     (49)   (98)
Prior, charge-offs     (99)   (399)
Revolving loans, charge-offs     (389)   (545)
Revolving loans converted to term loans, charge-offs     (137)   (221)
Total loans receivable, charge-offs (383) (413) (674) (686) (1,580)
Personal Banking | Home equity loans | Pass          
Credit quality indicators          
Year one 61,066   61,066   99,444
Year two 88,532   88,532   26,377
Year three 23,712   23,712   47,301
Year four 42,490   42,490   71,086
Year five 64,482   64,482   71,038
Prior 324,261   324,261   290,393
Revolving loans 829,187   829,187   840,879
Revolving loans converted to term loans 58,057   58,057   57,259
Total loans receivable, gross 1,491,787   1,491,787   1,503,777
Personal Banking | Home equity loans | Substandard          
Credit quality indicators          
Year one 0   0   0
Year two 0   0   0
Year three 105   105   47
Year four 44   44   255
Year five 272   272   0
Prior 1,030   1,030   1,168
Revolving loans 2,615   2,615   1,441
Revolving loans converted to term loans 1,304   1,304   844
Total loans receivable, gross 5,370   5,370   3,755
Personal Banking | Vehicle loans          
Credit quality indicators          
Year one 776,678   776,678   1,157,683
Year two 989,481   989,481   478,604
Year three 377,193   377,193   337,077
Year four 254,055   254,055   282,732
Year five 197,455   197,455   112,037
Prior 104,469   104,469   58,503
Revolving loans 858   858   0
Revolving loans converted to term loans 0   0   0
Total loans receivable, gross 2,700,189   2,700,189   2,426,636
Year one, charge-offs     (13)   (527)
Year two, charge-offs     (1,264)   (1,663)
Year three, charge-offs     (1,264)   (2,159)
Year four, charge-offs     (1,202)   (2,129)
Year five, charge-offs     (885)   (1,205)
Prior, charge-offs     (728)   (1,145)
Revolving loans, charge-offs     0   0
Revolving loans converted to term loans, charge-offs     0   0
Total loans receivable, charge-offs (2,426) (2,150) (5,356) (4,451) (8,828)
Personal Banking | Vehicle loans | Pass          
Credit quality indicators          
Year one 776,678   776,678   1,157,146
Year two 988,449   988,449   477,435
Year three 376,227   376,227   335,622
Year four 252,910   252,910   281,604
Year five 196,807   196,807   111,302
Prior 104,469   104,469   58,034
Revolving loans 0   0   0
Revolving loans converted to term loans 0   0   0
Total loans receivable, gross 2,695,540   2,695,540   2,421,143
Personal Banking | Vehicle loans | Substandard          
Credit quality indicators          
Year one 0   0   537
Year two 1,032   1,032   1,169
Year three 966   966   1,455
Year four 1,145   1,145   1,128
Year five 648   648   735
Prior 0   0   469
Revolving loans 858   858   0
Revolving loans converted to term loans 0   0   0
Total loans receivable, gross 4,649   4,649   5,493
Personal Banking | Consumer loans          
Credit quality indicators          
Year one 28,214   28,214   34,412
Year two 22,590   22,590   17,106
Year three 12,671   12,671   8,276
Year four 5,721   5,721   3,125
Year five 1,758   1,758   1,072
Prior 3,238   3,238   3,128
Revolving loans 68,169   68,169   69,566
Revolving loans converted to term loans 508   508   569
Total loans receivable, gross 142,869   142,869   137,254
Year one, charge-offs     (921)   (2,488)
Year two, charge-offs     (614)   (872)
Year three, charge-offs     (470)   (805)
Year four, charge-offs     (375)   (500)
Year five, charge-offs     (179)   (313)
Prior, charge-offs     (703)   (1,206)
Revolving loans, charge-offs     (23)   (166)
Revolving loans converted to term loans, charge-offs     (11)   (91)
Total loans receivable, charge-offs (1,695) (1,181) (3,296) (2,685) (6,441)
Personal Banking | Consumer loans | Pass          
Credit quality indicators          
Year one 28,194   28,194   34,396
Year two 22,558   22,558   17,034
Year three 12,645   12,645   8,244
Year four 5,699   5,699   3,117
Year five 1,756   1,756   1,063
Prior 3,238   3,238   3,128
Revolving loans 67,689   67,689   68,963
Revolving loans converted to term loans 472   472   489
Total loans receivable, gross 142,251   142,251   136,434
Personal Banking | Consumer loans | Substandard          
Credit quality indicators          
Year one 20   20   16
Year two 32   32   72
Year three 26   26   32
Year four 22   22   8
Year five 2   2   9
Prior 0   0   0
Revolving loans 480   480   603
Revolving loans converted to term loans 36   36   80
Total loans receivable, gross 618   618   820
Commercial Banking          
Credit quality indicators          
Year one 695,224   695,224   1,000,665
Year two 969,378   969,378   918,333
Year three 768,212   768,212   655,991
Year four 574,323   574,323   755,396
Year five 593,356   593,356   470,982
Prior 1,519,082   1,519,082   1,338,849
Revolving loans 746,964   746,964   676,511
Revolving loans converted to term loans 20,565   20,565   18,387
Total loans receivable, gross 5,887,104   5,887,104   5,835,114
Total loans receivable, charge-offs (1,834) (3,890) (3,243) (4,577)  
Commercial Banking | Commercial real estate loans          
Credit quality indicators          
Year one 123,532   123,532   195,500
Year two 195,397   195,397   315,502
Year three 282,544   282,544   350,975
Year four 305,605   305,605   516,411
Year five 403,482   403,482   371,509
Prior 1,256,892   1,256,892   1,113,066
Revolving loans 31,300   31,300   39,714
Revolving loans converted to term loans 12,109   12,109   13,019
Total loans receivable, gross 2,610,861   2,610,861   2,915,696
Year one, charge-offs     0   0
Year two, charge-offs     0   (3)
Year three, charge-offs     0   (73)
Year four, charge-offs     (61)   (2,009)
Year five, charge-offs     (823)   (30)
Prior, charge-offs     (259)   (11,847)
Revolving loans, charge-offs     0   (15)
Revolving loans converted to term loans, charge-offs     0   (173)
Total loans receivable, charge-offs (889) (293) (1,143) (409) (14,150)
Commercial Banking | Commercial real estate loans | Pass          
Credit quality indicators          
Year one 123,532   123,532   192,876
Year two 185,371   185,371   280,328
Year three 227,563   227,563   304,567
Year four 218,108   218,108   406,936
Year five 307,628   307,628   275,080
Prior 1,005,039   1,005,039   973,846
Revolving loans 27,981   27,981   37,133
Revolving loans converted to term loans 10,570   10,570   11,234
Total loans receivable, gross 2,105,792   2,105,792   2,482,000
Commercial Banking | Commercial real estate loans | Substandard          
Credit quality indicators          
Year one 0   0   886
Year two 5,224   5,224   29,241
Year three 29,352   29,352   22,868
Year four 36,631   36,631   81,445
Year five 81,864   81,864   55,020
Prior 206,517   206,517   112,043
Revolving loans 2,693   2,693   1,942
Revolving loans converted to term loans 1,539   1,539   1,785
Total loans receivable, gross 363,820   363,820   305,230
Commercial Banking | Commercial real estate loans | Special mention          
Credit quality indicators          
Year one 0   0   1,738
Year two 4,802   4,802   5,933
Year three 25,629   25,629   23,540
Year four 50,866   50,866   28,030
Year five 13,990   13,990   41,409
Prior 45,336   45,336   27,177
Revolving loans 626   626   639
Revolving loans converted to term loans 0   0   0
Total loans receivable, gross 141,249   141,249   128,466
Commercial Banking | Commercial real estate loans - owner occupied          
Credit quality indicators          
Year one 12,159   12,159   59,948
Year two 71,241   71,241   37,908
Year three 39,233   39,233   30,102
Year four 31,485   31,485   21,412
Year five 25,047   25,047   58,792
Prior 190,422   190,422   164,375
Revolving loans 6,940   6,940   7,727
Revolving loans converted to term loans 849   849   942
Total loans receivable, gross 377,376   377,376   381,206
Year one, charge-offs     0   0
Year two, charge-offs     0   0
Year three, charge-offs     0   0
Year four, charge-offs     0   0
Year five, charge-offs     0   0
Prior, charge-offs     0   (336)
Revolving loans, charge-offs     0   0
Revolving loans converted to term loans, charge-offs     0   0
Total loans receivable, charge-offs 0 0 0 0 (336)
Commercial Banking | Commercial real estate loans - owner occupied | Pass          
Credit quality indicators          
Year one 9,224   9,224   59,948
Year two 67,303   67,303   34,150
Year three 31,766   31,766   28,382
Year four 30,442   30,442   17,798
Year five 18,347   18,347   54,818
Prior 179,457   179,457   134,942
Revolving loans 1,559   1,559   5,764
Revolving loans converted to term loans 0   0   0
Total loans receivable, gross 338,098   338,098   335,802
Commercial Banking | Commercial real estate loans - owner occupied | Substandard          
Credit quality indicators          
Year one 2,935   2,935   0
Year two 0   0   3,758
Year three 5,877   5,877   1,720
Year four 1,043   1,043   3,614
Year five 4,739   4,739   3,359
Prior 8,442   8,442   26,925
Revolving loans 4,201   4,201   1,963
Revolving loans converted to term loans 849   849   942
Total loans receivable, gross 28,086   28,086   42,281
Commercial Banking | Commercial real estate loans - owner occupied | Special mention          
Credit quality indicators          
Year one 0   0   0
Year two 3,938   3,938   0
Year three 1,590   1,590   0
Year four 0   0   0
Year five 1,961   1,961   615
Prior 2,523   2,523   2,508
Revolving loans 1,180   1,180   0
Revolving loans converted to term loans 0   0   0
Total loans receivable, gross 11,192   11,192   3,123
Commercial Banking | Commercial and industrial loans          
Credit quality indicators          
Year one 559,533   559,533   745,217
Year two 702,740   702,740   564,923
Year three 446,435   446,435   274,914
Year four 237,233   237,233   217,573
Year five 164,827   164,827   40,681
Prior 71,768   71,768   61,408
Revolving loans 708,724   708,724   629,070
Revolving loans converted to term loans 7,607   7,607   4,426
Total loans receivable, gross 2,898,867   2,898,867   2,538,212
Year one, charge-offs     0   0
Year two, charge-offs     (84)   (128)
Year three, charge-offs     (281)   (489)
Year four, charge-offs     (306)   (2,986)
Year five, charge-offs     (600)   (230)
Prior, charge-offs     (373)   (1,493)
Revolving loans, charge-offs     (387)   (310)
Revolving loans converted to term loans, charge-offs     (69)   (1,459)
Total loans receivable, charge-offs (945) $ (3,597) (2,100) $ (4,168) (7,095)
Commercial Banking | Commercial and industrial loans | Pass          
Credit quality indicators          
Year one 559,533   559,533   741,190
Year two 688,265   688,265   531,151
Year three 404,125   404,125   246,591
Year four 218,497   218,497   210,899
Year five 156,341   156,341   35,114
Prior 64,819   64,819   55,116
Revolving loans 644,727   644,727   569,922
Revolving loans converted to term loans 6,512   6,512   2,847
Total loans receivable, gross 2,742,819   2,742,819   2,392,830
Commercial Banking | Commercial and industrial loans | Substandard          
Credit quality indicators          
Year one 0   0   3,840
Year two 1,936   1,936   12,765
Year three 23,310   23,310   20,440
Year four 10,326   10,326   5,698
Year five 7,401   7,401   5,141
Prior 6,661   6,661   6,185
Revolving loans 59,019   59,019   27,886
Revolving loans converted to term loans 1,094   1,094   1,575
Total loans receivable, gross 109,747   109,747   83,530
Commercial Banking | Commercial and industrial loans | Special mention          
Credit quality indicators          
Year one 0   0   187
Year two 12,539   12,539   21,007
Year three 19,000   19,000   7,883
Year four 8,410   8,410   976
Year five 1,085   1,085   426
Prior 288   288   107
Revolving loans 4,978   4,978   31,262
Revolving loans converted to term loans 1   1   4
Total loans receivable, gross 46,301   46,301   $ 61,852
Minimum | Special mention and substandard          
Credit quality indicators          
Total loans receivable, gross $ 1,000   $ 1,000