v3.26.1
Allowance for Credit Losses - Schedule of the Recorded Investments by Credit Quality Indicator, by Loan Class (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 Information          
Total $ 17,822,218   $ 17,822,218   $ 18,029,552
Current-period gross writeoffs          
Total 15,353 $ 5,601 31,233 $ 14,674  
Commercial Real Estate          
Credit Quality Information          
Year one 343,984   343,984   560,867
Year two 591,200   591,200   522,085
Year three 532,378   532,378   770,640
Year four 854,837   854,837   1,476,037
Year five 1,301,956   1,301,956   1,195,207
Prior 3,526,680   3,526,680   2,646,584
Revolving Loans 39,841   39,841   48,646
Revolving Loans Converted to Term Loans 94,042   94,042   15,331
Total 7,284,918   7,284,918   7,235,397
Current-period gross writeoffs          
Year one     0   0
Year two     0   569
Year three     0   18
Year four     0   4,641
Year five     0   0
Prior     4,188   3,458
Revolving Loans     0   0
Revolving Loans Converted to Term Loans     0   0
Total     4,188   8,686
Commercial Real Estate | Pass          
Credit Quality Information          
Year one 343,984   343,984   546,268
Year two 563,222   563,222   496,486
Year three 526,903   526,903   713,257
Year four 798,752   798,752   1,377,041
Year five 1,163,431   1,163,431   1,144,463
Prior 3,296,394   3,296,394   2,524,605
Revolving Loans 39,841   39,841   45,663
Revolving Loans Converted to Term Loans 68,541   68,541   14,944
Total 6,801,068   6,801,068   6,862,727
Commercial Real Estate | OAEM          
Credit Quality Information          
Year one 0   0   14,599
Year two 27,698   27,698   732
Year three 3,345   3,345   53,420
Year four 47,148   47,148   42,680
Year five 37,789   37,789   43,317
Prior 131,301   131,301   37,747
Revolving Loans 0   0   0
Revolving Loans Converted to Term Loans 0   0   387
Total 247,281   247,281   192,882
Commercial Real Estate | Substandard          
Credit Quality Information          
Year one 0   0   0
Year two 280   280   24,867
Year three 2,130   2,130   3,963
Year four 8,937   8,937   56,316
Year five 100,736   100,736   7,427
Prior 98,985   98,985   84,232
Revolving Loans 0   0   2,983
Revolving Loans Converted to Term Loans 25,501   25,501   0
Total 236,569   236,569   179,788
Multi-Family Mortgage          
Credit Quality Information          
Year one 42,229   42,229   165,979
Year two 180,148   180,148   110,718
Year three 175,393   175,393   114,175
Year four 188,544   188,544   632,362
Year five 610,106   610,106   290,275
Prior 999,398   999,398   833,938
Revolving Loans 5,854   5,854   4,551
Revolving Loans Converted to Term Loans 40,530   40,530   3,982
Total 2,242,202   2,242,202   2,155,980
Current-period gross writeoffs          
Year one     0   0
Year two     0   0
Year three     0   0
Year four     0   0
Year five     0   0
Prior     3,360   2,332
Revolving Loans     0   0
Revolving Loans Converted to Term Loans     0   0
Total     3,360   2,332
Multi-Family Mortgage | Pass          
Credit Quality Information          
Year one 42,229   42,229   165,979
Year two 180,148   180,148   110,718
Year three 175,393   175,393   113,109
Year four 187,482   187,482   618,623
Year five 566,269   566,269   278,798
Prior 987,469   987,469   811,649
Revolving Loans 5,854   5,854   4,551
Revolving Loans Converted to Term Loans 40,530   40,530   3,982
Total 2,185,374   2,185,374   2,107,409
Multi-Family Mortgage | OAEM          
Credit Quality Information          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   10,876
Year five 43,837   43,837   0
Prior 0   0   0
Revolving Loans 0   0   0
Revolving Loans Converted to Term Loans 0   0   0
Total 43,837   43,837   10,876
Multi-Family Mortgage | Substandard          
Credit Quality Information          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   1,066
Year four 1,062   1,062   2,863
Year five 0   0   11,477
Prior 11,929   11,929   22,289
Revolving Loans 0   0   0
Revolving Loans Converted to Term Loans 0   0   0
Total 12,991   12,991   37,695
Construction          
Credit Quality Information          
Year one 12,934   12,934   159,217
Year two 157,424   157,424   148,651
Year three 40,209   40,209   145,038
Year four 22,084   22,084   147,353
Year five 102,062   102,062   16,938
Prior 16,773   16,773   332
Revolving Loans 5,314   5,314   3,188
Revolving Loans Converted to Term Loans 219   219   0
Total 357,019   357,019   620,717
Construction | Pass          
Credit Quality Information          
Year one 12,934   12,934   159,217
Year two 157,424   157,424   148,651
Year three 40,209   40,209   145,038
Year four 22,084   22,084   87,874
Year five 29,208   29,208   16,938
Prior 16,773   16,773   332
Revolving Loans 5,314   5,314   3,188
Revolving Loans Converted to Term Loans 219   219   0
Total 284,165   284,165   561,238
Construction | OAEM          
Credit Quality Information          
Year one         0
Year two         0
Year three         0
Year four         37,689
Year five         0
Prior         0
Revolving Loans         0
Revolving Loans Converted to Term Loans         0
Total         37,689
Construction | Substandard          
Credit Quality Information          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   0
Year four 0   0   21,790
Year five 72,854   72,854   0
Prior 0   0   0
Revolving Loans 0   0   0
Revolving Loans Converted to Term Loans 0   0   0
Total 72,854   72,854   21,790
Commercial          
Credit Quality Information          
Year one 244,362   244,362   314,833
Year two 290,768   290,768   311,921
Year three 281,627   281,627   316,699
Year four 267,103   267,103   187,017
Year five 177,756   177,756   182,934
Prior 284,505   284,505   190,315
Revolving Loans 1,354,540   1,354,540   1,266,606
Revolving Loans Converted to Term Loans 49,800   49,800   13,827
Total 2,950,461   2,950,461   2,784,152
Current-period gross writeoffs          
Year one     0   0
Year two     31   1,082
Year three     498   210
Year four     420   5,199
Year five     127   106
Prior     141   7,353
Revolving Loans     497   1,467
Revolving Loans Converted to Term Loans     168   0
Total     1,882   15,417
Commercial | Pass          
Credit Quality Information          
Year one 244,362   244,362   314,833
Year two 289,029   289,029   302,916
Year three 273,859   273,859   311,533
Year four 263,295   263,295   162,007
Year five 155,458   155,458   177,421
Prior 266,210   266,210   174,533
Revolving Loans 1,278,941   1,278,941   1,180,768
Revolving Loans Converted to Term Loans 42,982   42,982   12,790
Total 2,814,136   2,814,136   2,636,801
Commercial | OAEM          
Credit Quality Information          
Year one 0   0   0
Year two 936   936   774
Year three 565   565   236
Year four 87   87   20,727
Year five 17,992   17,992   135
Prior 3,681   3,681   4,361
Revolving Loans 21,677   21,677   35,864
Revolving Loans Converted to Term Loans 302   302   339
Total 45,240   45,240   62,436
Commercial | Substandard          
Credit Quality Information          
Year one 0   0   0
Year two 803   803   8,231
Year three 7,203   7,203   4,746
Year four 3,539   3,539   4,283
Year five 4,306   4,306   5,378
Prior 14,614   14,614   11,421
Revolving Loans 53,922   53,922   49,974
Revolving Loans Converted to Term Loans 6,516   6,516   698
Total 90,903   90,903   84,731
Commercial | Doubtful          
Credit Quality Information          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   184
Year four 182   182   0
Year five 0   0   0
Prior 0   0   0
Revolving Loans 0   0   0
Revolving Loans Converted to Term Loans 0   0   0
Total 182   182   184
Equipment Financing          
Credit Quality Information          
Year one 74,139   74,139   196,497
Year two 188,497   188,497   245,759
Year three 216,480   216,480   277,429
Year four 212,596   212,596   221,715
Year five 166,521   166,521   97,470
Prior 155,510   155,510   105,490
Revolving Loans 7,773   7,773   2,951
Revolving Loans Converted to Term Loans 9,826   9,826   15,900
Total 1,031,342   1,031,342   1,163,211
Current-period gross writeoffs          
Year one     0   0
Year two     0   870
Year three     426   6,421
Year four     435   5,263
Year five     1,260   1,097
Prior     117   1,966
Revolving Loans     0   0
Revolving Loans Converted to Term Loans     3,437   0
Total     5,675   15,617
Equipment Financing | Pass          
Credit Quality Information          
Year one 71,620   71,620   196,359
Year two 186,489   186,489   241,981
Year three 209,618   209,618   265,403
Year four 200,045   200,045   210,829
Year five 156,300   156,300   94,341
Prior 148,287   148,287   101,526
Revolving Loans 7,773   7,773   2,951
Revolving Loans Converted to Term Loans 4,090   4,090   4,359
Total 984,222   984,222   1,117,749
Equipment Financing | OAEM          
Credit Quality Information          
Year one         0
Year two         0
Year three         0
Year four         878
Year five         597
Prior         0
Revolving Loans         0
Revolving Loans Converted to Term Loans         0
Total         1,475
Equipment Financing | Substandard          
Credit Quality Information          
Year one 2,519   2,519   138
Year two 2,008   2,008   3,778
Year three 6,862   6,862   12,026
Year four 12,551   12,551   8,090
Year five 10,221   10,221   2,532
Prior 7,223   7,223   3,959
Revolving Loans 0   0   0
Revolving Loans Converted to Term Loans 5,736   5,736   11,541
Total 47,120   47,120   42,064
Equipment Financing | Doubtful          
Credit Quality Information          
Year one         0
Year two         0
Year three         0
Year four         1,918
Year five         0
Prior         5
Revolving Loans         0
Revolving Loans Converted to Term Loans         0
Total         1,923
Residential          
Credit Quality Information          
Year one 90,414   90,414   352,224
Year two 321,878   321,878   357,571
Year three 324,561   324,561   537,466
Year four 490,798   490,798   691,595
Year five 668,813   668,813   283,791
Prior 1,222,403   1,222,403   1,007,770
Revolving Loans 31,757   31,757   3,008
Revolving Loans Converted to Term Loans 200   200   0
Total 3,150,824   3,150,824   3,233,425
Current-period gross writeoffs          
Year one     0   0
Year two     0   0
Year three     0   0
Year four     0   0
Year five     0   0
Prior     75   1
Revolving Loans     0   0
Revolving Loans Converted to Term Loans     0   0
Total     75   1
Residential | Over 700          
Credit Quality Information          
Year one         311,693
Year two         330,183
Year three         497,233
Year four         542,388
Year five         250,604
Prior         746,295
Revolving Loans         3,000
Revolving Loans Converted to Term Loans         0
Total         2,681,396
Residential | 661 - 700          
Credit Quality Information          
Year one         10,890
Year two         15,515
Year three         23,976
Year four         30,852
Year five         15,805
Prior         74,101
Revolving Loans         8
Revolving Loans Converted to Term Loans         0
Total         171,147
Residential | 600 and below          
Credit Quality Information          
Year one         4,983
Year two         8,539
Year three         10,528
Year four         15,014
Year five         11,306
Prior         43,250
Revolving Loans         0
Revolving Loans Converted to Term Loans         0
Total         93,620
Residential | Data not available          
Credit Quality Information          
Year one         24,658
Year two         3,334
Year three         5,729
Year four         103,341
Year five         6,076
Prior         144,124
Revolving Loans         0
Revolving Loans Converted to Term Loans         0
Total         287,262
Residential | Pass          
Credit Quality Information          
Year one 90,414   90,414    
Year two 321,878   321,878    
Year three 324,561   324,561    
Year four 490,798   490,798    
Year five 667,644   667,644    
Prior 1,213,227   1,213,227    
Revolving Loans 31,757   31,757    
Revolving Loans Converted to Term Loans 200   200    
Total 3,140,479   3,140,479    
Residential | OAEM          
Credit Quality Information          
Year one 0   0    
Year two 0   0    
Year three 0   0    
Year four 0   0    
Year five 0   0    
Prior 1,098   1,098    
Revolving Loans 0   0    
Revolving Loans Converted to Term Loans 0   0    
Total 1,098   1,098    
Residential | Substandard          
Credit Quality Information          
Year one 0   0    
Year two 0   0    
Year three 0   0    
Year four 0   0    
Year five 1,169   1,169    
Prior 8,078   8,078    
Revolving Loans 0   0    
Revolving Loans Converted to Term Loans 0   0    
Total 9,247   9,247    
Home Equity          
Credit Quality Information          
Year one 4,462   4,462   5,383
Year two 1,789   1,789   2,022
Year three 1,920   1,920   7,570
Year four 6,978   6,978   7,777
Year five 6,985   6,985   7,412
Prior 32,761   32,761   29,416
Revolving Loans 558,550   558,550   628,352
Revolving Loans Converted to Term Loans 52,193   52,193   7,375
Total 665,638   665,638   695,307
Current-period gross writeoffs          
Year one     0   0
Year two     0   0
Year three     0   0
Year four     0   0
Year five     0   0
Prior     0   0
Revolving Loans     0   64
Revolving Loans Converted to Term Loans     5   0
Total     5   64
Home Equity | Over 700          
Credit Quality Information          
Year one         5,286
Year two         1,882
Year three         6,714
Year four         7,087
Year five         7,111
Prior         26,203
Revolving Loans         542,324
Revolving Loans Converted to Term Loans         3,737
Total         600,344
Home Equity | 661 - 700          
Credit Quality Information          
Year one         0
Year two         23
Year three         54
Year four         559
Year five         177
Prior         2,211
Revolving Loans         55,752
Revolving Loans Converted to Term Loans         986
Total         59,762
Home Equity | 600 and below          
Credit Quality Information          
Year one         95
Year two         117
Year three         789
Year four         131
Year five         124
Prior         952
Revolving Loans         27,538
Revolving Loans Converted to Term Loans         2,652
Total         32,398
Home Equity | Data not available          
Credit Quality Information          
Year one         2
Year two         0
Year three         13
Year four         0
Year five         0
Prior         50
Revolving Loans         2,738
Revolving Loans Converted to Term Loans         0
Total         2,803
Home Equity | Pass          
Credit Quality Information          
Year one 4,444   4,444    
Year two 1,748   1,748    
Year three 1,892   1,892    
Year four 6,785   6,785    
Year five 6,985   6,985    
Prior 32,470   32,470    
Revolving Loans 558,271   558,271    
Revolving Loans Converted to Term Loans 47,719   47,719    
Total 660,314   660,314    
Home Equity | OAEM          
Credit Quality Information          
Year one 0   0    
Year two 0   0    
Year three 0   0    
Year four 0   0    
Year five 0   0    
Prior 26   26    
Revolving Loans 0   0    
Revolving Loans Converted to Term Loans 551   551    
Total 577   577    
Home Equity | Substandard          
Credit Quality Information          
Year one 18   18    
Year two 41   41    
Year three 28   28    
Year four 193   193    
Year five 0   0    
Prior 265   265    
Revolving Loans 279   279    
Revolving Loans Converted to Term Loans 3,923   3,923    
Total 4,747   4,747    
Other Consumer          
Credit Quality Information          
Year one 17,903   17,903   10,748
Year two 27,185   27,185   19,594
Year three 24,947   24,947   19,616
Year four 22,132   22,132   7,843
Year five 16,436   16,436   3,317
Prior 18,840   18,840   4,278
Revolving Loans 11,607   11,607   75,953
Revolving Loans Converted to Term Loans 764   764   14
Total 139,814   139,814   141,363
Current-period gross writeoffs          
Year one     0   27
Year two     22   14
Year three     0   11
Year four     43   1
Year five     12   0
Prior     18   19
Revolving Loans     73   62
Revolving Loans Converted to Term Loans     0   0
Total     168   134
Other Consumer | Pass          
Credit Quality Information          
Year one 17,903   17,903   10,735
Year two 27,164   27,164   19,553
Year three 24,852   24,852   19,614
Year four 22,114   22,114   7,792
Year five 16,414   16,414   3,311
Prior 18,815   18,815   4,270
Revolving Loans 11,606   11,606   75,916
Revolving Loans Converted to Term Loans 724   724   14
Total 139,592   139,592   141,205
Other Consumer | OAEM          
Credit Quality Information          
Year one 0   0   12
Year two 17   17   0
Year three 58   58   0
Year four 13   13   5
Year five 0   0   0
Prior 0   0   1
Revolving Loans 0   0   5
Revolving Loans Converted to Term Loans 10   10   0
Total 98   98   23
Other Consumer | Substandard          
Credit Quality Information          
Year one 0   0   1
Year two 4   4   41
Year three 37   37   2
Year four 5   5   46
Year five 22   22   6
Prior 25   25   7
Revolving Loans 1   1   32
Revolving Loans Converted to Term Loans 30   30   0
Total 124   124   135
Total          
Credit Quality Information          
Year one 830,427   830,427   1,408,141
Year two 1,758,889   1,758,889   1,358,728
Year three 1,597,515   1,597,515   1,643,597
Year four 2,065,072   2,065,072   2,672,327
Year five 3,050,635   3,050,635   1,786,141
Prior 6,256,870   6,256,870   3,780,937
Revolving Loans 2,015,236   2,015,236   1,401,895
Revolving Loans Converted to Term Loans 247,574   247,574   49,054
Total 17,822,218   17,822,218   14,100,820
Total | Pass          
Credit Quality Information          
Year one 827,890   827,890   1,393,391
Year two 1,727,102   1,727,102   1,320,305
Year three 1,577,287   1,577,287   1,567,954
Year four 1,991,355   1,991,355   2,464,166
Year five 2,761,709   2,761,709   1,715,272
Prior 5,979,645   5,979,645   3,616,915
Revolving Loans 1,939,357   1,939,357   1,313,037
Revolving Loans Converted to Term Loans 205,005   205,005   36,089
Total 17,009,350   17,009,350   13,427,129
Total | OAEM          
Credit Quality Information          
Year one 0   0   14,611
Year two 28,651   28,651   1,506
Year three 3,968   3,968   53,656
Year four 47,248   47,248   112,855
Year five 99,618   99,618   44,049
Prior 136,106   136,106   42,109
Revolving Loans 21,677   21,677   35,869
Revolving Loans Converted to Term Loans 863   863   726
Total 338,131   338,131   305,381
Total | Substandard          
Credit Quality Information          
Year one 2,537   2,537   139
Year two 3,136   3,136   36,917
Year three 16,260   16,260   21,803
Year four 26,287   26,287   93,388
Year five 189,308   189,308   26,820
Prior 141,119   141,119   121,908
Revolving Loans 54,202   54,202   52,989
Revolving Loans Converted to Term Loans 41,706   41,706   12,239
Total 474,555   474,555   366,203
Total | Doubtful          
Credit Quality Information          
Year one 0   0   0
Year two 0   0   0
Year three 0   0   184
Year four 182   182   1,918
Year five 0   0   0
Prior 0   0   5
Revolving Loans 0   0   0
Revolving Loans Converted to Term Loans 0   0   0
Total $ 182   $ 182   $ 2,107