Loans And Allowance for Credit Losses (Credit Quality Indicators Personal Banking Loan Portfolio) (Details) - USD ($)
$ in Thousands |
6 Months Ended |
12 Months Ended |
Jun. 30, 2026 |
Dec. 31, 2025 |
| Credit Quality Indicator [Line Items] |
|
|
| Total |
$ 20,833,481
|
$ 17,771,263
|
| Personal Real Estate Loan [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Total |
4,369,077
|
3,053,435
|
| Consumer Loan [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Total |
2,527,448
|
2,196,822
|
| Revolving home equity |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Total |
649,332
|
375,159
|
| Credit Card Receivable [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Total |
561,277
|
589,694
|
| Overdrafts |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Total |
52,655
|
4,194
|
| Personal Banking Portfolio Segment [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
639,484
|
911,367
|
| Fiscal Year before Current Fiscal Year |
1,049,215
|
556,650
|
| Two Years before Current Fiscal Year |
592,383
|
575,716
|
| Three Years before Current Fiscal Year |
624,837
|
497,592
|
| Four Years before Current Fiscal Year |
699,445
|
533,968
|
| Prior |
2,151,037
|
1,264,890
|
| Revolving Loans Amortized Cost Basis |
2,403,388
|
1,879,121
|
| Total |
8,159,789
|
6,219,304
|
| Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |
1,245
|
3,416
|
| Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |
825
|
3,909
|
| Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |
1,384
|
3,013
|
| Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |
1,122
|
2,121
|
| Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |
558
|
768
|
| Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff |
261
|
388
|
| Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff |
17,705
|
33,880
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
23,100
|
47,495
|
| Personal Banking Portfolio Segment [Member] | Personal Real Estate Loan [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
292,599
|
386,816
|
| Fiscal Year before Current Fiscal Year |
602,582
|
313,472
|
| Two Years before Current Fiscal Year |
406,014
|
337,531
|
| Three Years before Current Fiscal Year |
438,202
|
364,374
|
| Four Years before Current Fiscal Year |
591,095
|
440,508
|
| Prior |
2,027,767
|
1,201,969
|
| Revolving Loans Amortized Cost Basis |
10,818
|
8,765
|
| Total |
4,369,077
|
3,053,435
|
| Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |
0
|
47
|
| Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |
40
|
65
|
| Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |
73
|
416
|
| Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |
101
|
48
|
| Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff |
7
|
29
|
| Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
221
|
605
|
| Personal Banking Portfolio Segment [Member] | Consumer Loan [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
294,230
|
520,357
|
| Fiscal Year before Current Fiscal Year |
446,633
|
243,178
|
| Two Years before Current Fiscal Year |
186,369
|
238,185
|
| Three Years before Current Fiscal Year |
186,635
|
133,218
|
| Four Years before Current Fiscal Year |
108,350
|
93,460
|
| Prior |
123,270
|
62,921
|
| Revolving Loans Amortized Cost Basis |
1,181,961
|
905,503
|
| Total |
2,527,448
|
2,196,822
|
| Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |
15
|
894
|
| Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |
825
|
3,862
|
| Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |
1,344
|
2,948
|
| Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |
1,049
|
1,705
|
| Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |
457
|
720
|
| Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff |
254
|
359
|
| Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff |
1,051
|
2,032
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
4,995
|
12,520
|
| Personal Banking Portfolio Segment [Member] | Revolving home equity |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| 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 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
649,332
|
375,159
|
| Total |
649,332
|
375,159
|
| Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff |
90
|
15
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
90
|
15
|
| Personal Banking Portfolio Segment [Member] | Credit Card Receivable [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| 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 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
561,277
|
589,694
|
| Total |
561,277
|
589,694
|
| Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff |
16,564
|
31,833
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
16,564
|
31,833
|
| Personal Banking Portfolio Segment [Member] | Overdrafts |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
52,655
|
4,194
|
| 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 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
52,655
|
4,194
|
| Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |
1,230
|
2,522
|
| Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff |
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
1,230
|
2,522
|
| Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
639,484
|
911,180
|
| Fiscal Year before Current Fiscal Year |
1,048,797
|
555,693
|
| Two Years before Current Fiscal Year |
590,954
|
573,729
|
| Three Years before Current Fiscal Year |
622,981
|
493,735
|
| Four Years before Current Fiscal Year |
696,913
|
531,929
|
| Prior |
2,143,885
|
1,259,576
|
| Revolving Loans Amortized Cost Basis |
2,392,465
|
1,868,501
|
| Total |
8,135,479
|
6,194,343
|
| Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due | Personal Real Estate Loan [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
292,599
|
386,816
|
| Fiscal Year before Current Fiscal Year |
602,356
|
312,902
|
| Two Years before Current Fiscal Year |
404,876
|
335,950
|
| Three Years before Current Fiscal Year |
436,604
|
360,793
|
| Four Years before Current Fiscal Year |
588,656
|
438,586
|
| Prior |
2,020,798
|
1,196,850
|
| Revolving Loans Amortized Cost Basis |
10,818
|
8,765
|
| Total |
4,356,707
|
3,040,662
|
| Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due | Consumer Loan [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
294,230
|
520,170
|
| Fiscal Year before Current Fiscal Year |
446,441
|
242,791
|
| Two Years before Current Fiscal Year |
186,078
|
237,779
|
| Three Years before Current Fiscal Year |
186,377
|
132,942
|
| Four Years before Current Fiscal Year |
108,257
|
93,343
|
| Prior |
123,087
|
62,726
|
| Revolving Loans Amortized Cost Basis |
1,179,771
|
903,627
|
| Total |
2,524,241
|
2,193,378
|
| Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due | Revolving home equity |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| 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 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
648,258
|
374,738
|
| Total |
648,258
|
374,738
|
| Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due | Credit Card Receivable [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| 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 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
553,618
|
581,371
|
| Total |
553,618
|
581,371
|
| Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due | Overdrafts |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
52,655
|
4,194
|
| 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 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
52,655
|
4,194
|
| Personal Banking Portfolio Segment [Member] | Over 90 days past due |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
0
|
187
|
| Fiscal Year before Current Fiscal Year |
418
|
957
|
| Two Years before Current Fiscal Year |
1,427
|
1,987
|
| Three Years before Current Fiscal Year |
1,856
|
3,857
|
| Four Years before Current Fiscal Year |
2,532
|
1,937
|
| Prior |
5,026
|
4,574
|
| Revolving Loans Amortized Cost Basis |
10,890
|
10,620
|
| Total |
22,149
|
24,119
|
| Personal Banking Portfolio Segment [Member] | Over 90 days past due | Personal Real Estate Loan [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
0
|
0
|
| Fiscal Year before Current Fiscal Year |
226
|
570
|
| Two Years before Current Fiscal Year |
1,136
|
1,581
|
| Three Years before Current Fiscal Year |
1,598
|
3,581
|
| Four Years before Current Fiscal Year |
2,439
|
1,820
|
| Prior |
4,843
|
4,379
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
10,242
|
11,931
|
| Personal Banking Portfolio Segment [Member] | Over 90 days past due | Consumer Loan [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
0
|
187
|
| Fiscal Year before Current Fiscal Year |
192
|
387
|
| Two Years before Current Fiscal Year |
291
|
406
|
| Three Years before Current Fiscal Year |
258
|
276
|
| Four Years before Current Fiscal Year |
93
|
117
|
| Prior |
183
|
195
|
| Revolving Loans Amortized Cost Basis |
2,190
|
1,876
|
| Total |
3,207
|
3,444
|
| Personal Banking Portfolio Segment [Member] | Over 90 days past due | Revolving home equity |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| 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 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
1,041
|
421
|
| Total |
1,041
|
421
|
| Personal Banking Portfolio Segment [Member] | Over 90 days past due | Credit Card Receivable [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| 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 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
7,659
|
8,323
|
| Total |
7,659
|
8,323
|
| Personal Banking Portfolio Segment [Member] | Non-Accrual [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
0
|
0
|
| Fiscal Year before Current Fiscal Year |
0
|
0
|
| Two Years before Current Fiscal Year |
2
|
0
|
| Three Years before Current Fiscal Year |
0
|
0
|
| Four Years before Current Fiscal Year |
0
|
102
|
| Prior |
2,126
|
740
|
| Revolving Loans Amortized Cost Basis |
33
|
0
|
| Total |
2,161
|
842
|
| Personal Banking Portfolio Segment [Member] | Non-Accrual [Member] | Personal Real Estate Loan [Member] |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
0
|
0
|
| Fiscal Year before Current Fiscal Year |
0
|
0
|
| Two Years before Current Fiscal Year |
2
|
0
|
| Three Years before Current Fiscal Year |
0
|
0
|
| Four Years before Current Fiscal Year |
0
|
102
|
| Prior |
2,126
|
740
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
2,128
|
$ 842
|
| Personal Banking Portfolio Segment [Member] | Non-Accrual [Member] | Revolving home equity |
|
|
| Credit Quality Indicator [Line Items] |
|
|
| Current Fiscal Year |
0
|
|
| Fiscal Year before Current Fiscal Year |
0
|
|
| Two Years before Current Fiscal Year |
0
|
|
| Three Years before Current Fiscal Year |
0
|
|
| Four Years before Current Fiscal Year |
0
|
|
| Prior |
0
|
|
| Revolving Loans Amortized Cost Basis |
33
|
|
| Total |
$ 33
|
|