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Loans And Allowance for Credit Losses (Credit Quality Indicators Personal Banking Loan Portfolio) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Credit Quality Indicator [Line Items] |  |  |  |  |
Loans charged off | $ 12,025 | $ 11,868 | $ 25,318 | $ 23,033 |
Personal Banking Portfolio Segment [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 496,080 |  | 496,080 |  | $ 818,417
Fiscal Year before Current Fiscal Year | 669,084 |  | 669,084 |  | 758,825
Two Years before Current Fiscal Year | 673,454 |  | 673,454 |  | 634,706
Three Years before Current Fiscal Year | 556,349 |  | 556,349 |  | 649,974
Four Years before Current Fiscal Year | 578,891 |  | 578,891 |  | 712,656
Prior | 1,376,779 |  | 1,376,779 |  | 790,211
Revolving Loans Amortized Cost Basis | 1,822,971 |  | 1,822,971 |  | 1,730,375
Total | 6,173,608 |  | 6,173,608 |  | 6,095,164
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 1,259 |  | 4,127
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 2,123 |  | 3,191
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 1,609 |  | 2,974
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 1,054 |  | 1,391
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 447 |  | 540
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 248 |  | 277
Financing Receivable, Revolving, Writeoff |  |  | 17,357 |  | 32,736
Loans charged off | 11,530 | $ 11,018 | 24,097 | $ 21,867 | 45,236
Personal Banking Portfolio Segment [Member] | Personal Real Estate Loan [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 192,556 |  | 192,556 |  | 387,784
Fiscal Year before Current Fiscal Year | 350,540 |  | 350,540 |  | 388,386
Two Years before Current Fiscal Year | 366,298 |  | 366,298 |  | 406,111
Three Years before Current Fiscal Year | 388,952 |  | 388,952 |  | 484,731
Four Years before Current Fiscal Year | 460,842 |  | 460,842 |  | 640,295
Prior | 1,291,902 |  | 1,291,902 |  | 739,954
Revolving Loans Amortized Cost Basis | 7,755 |  | 7,755 |  | 10,934
Total | 3,058,845 |  | 3,058,845 |  | 3,058,195
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 0 |  | 82
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 45 |  | 115
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 35 |  | 83
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 48 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 13 |  | 22
Financing Receivable, Revolving, Writeoff |  |  | 0 |  | 0
Loans charged off |  |  | 141 |  | 302
Personal Banking Portfolio Segment [Member] | Consumer Loan [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 287,208 |  | 287,208 |  | 419,367
Fiscal Year before Current Fiscal Year | 318,544 |  | 318,544 |  | 370,439
Two Years before Current Fiscal Year | 307,156 |  | 307,156 |  | 228,595
Three Years before Current Fiscal Year | 167,397 |  | 167,397 |  | 165,243
Four Years before Current Fiscal Year | 118,049 |  | 118,049 |  | 72,361
Prior | 84,877 |  | 84,877 |  | 50,257
Revolving Loans Amortized Cost Basis | 874,636 |  | 874,636 |  | 766,861
Total | 2,157,867 |  | 2,157,867 |  | 2,073,123
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 7 |  | 1,438
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 2,123 |  | 3,109
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 1,564 |  | 2,859
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 1,019 |  | 1,308
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 399 |  | 540
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 235 |  | 255
Financing Receivable, Revolving, Writeoff |  |  | 1,023 |  | 2,309
Loans charged off |  |  | 6,370 |  | 11,818
Personal Banking Portfolio Segment [Member] | Revolving home equity |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 0 |  | 0 |  | 0
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 364,429 |  | 364,429 |  | 356,650
Total | 364,429 |  | 364,429 |  | 356,650
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Revolving, Writeoff |  |  | 15 |  | 0
Loans charged off |  |  | 15 |  | 0
Personal Banking Portfolio Segment [Member] | Credit Card Receivable [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 0 |  | 0 |  | 0
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 576,151 |  | 576,151 |  | 595,930
Total | 576,151 |  | 576,151 |  | 595,930
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Revolving, Writeoff |  |  | 16,319 |  | 30,427
Loans charged off |  |  | 16,319 |  | 30,427
Personal Banking Portfolio Segment [Member] | Overdrafts |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 16,316 |  | 16,316 |  | 11,266
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Total | 16,316 |  | 16,316 |  | 11,266
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 1,252 |  | 2,689
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 0 |  | 0
Financing Receivable, Revolving, Writeoff |  |  | 0 |  | 0
Loans charged off |  |  | 1,252 |  | 2,689
Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 496,000 |  | 496,000 |  | 817,287
Fiscal Year before Current Fiscal Year | 668,004 |  | 668,004 |  | 757,341
Two Years before Current Fiscal Year | 672,019 |  | 672,019 |  | 632,869
Three Years before Current Fiscal Year | 553,441 |  | 553,441 |  | 647,763
Four Years before Current Fiscal Year | 576,749 |  | 576,749 |  | 709,429
Prior | 1,370,148 |  | 1,370,148 |  | 786,107
Revolving Loans Amortized Cost Basis | 1,810,133 |  | 1,810,133 |  | 1,717,413
Total | 6,146,494 |  | 6,146,494 |  | 6,068,209
Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due | Personal Real Estate Loan [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 192,556 |  | 192,556 |  | 387,119
Fiscal Year before Current Fiscal Year | 349,967 |  | 349,967 |  | 387,486
Two Years before Current Fiscal Year | 365,298 |  | 365,298 |  | 404,680
Three Years before Current Fiscal Year | 386,310 |  | 386,310 |  | 482,733
Four Years before Current Fiscal Year | 458,799 |  | 458,799 |  | 637,115
Prior | 1,285,630 |  | 1,285,630 |  | 736,217
Revolving Loans Amortized Cost Basis | 7,755 |  | 7,755 |  | 10,934
Total | 3,046,315 |  | 3,046,315 |  | 3,046,284
Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due | Consumer Loan [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 287,128 |  | 287,128 |  | 418,902
Fiscal Year before Current Fiscal Year | 318,037 |  | 318,037 |  | 369,855
Two Years before Current Fiscal Year | 306,721 |  | 306,721 |  | 228,189
Three Years before Current Fiscal Year | 167,131 |  | 167,131 |  | 165,030
Four Years before Current Fiscal Year | 117,950 |  | 117,950 |  | 72,314
Prior | 84,518 |  | 84,518 |  | 49,890
Revolving Loans Amortized Cost Basis | 872,391 |  | 872,391 |  | 765,333
Total | 2,153,876 |  | 2,153,876 |  | 2,069,513
Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due | Revolving home equity |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 0 |  | 0 |  | 0
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 361,762 |  | 361,762 |  | 353,854
Total | 361,762 |  | 361,762 |  | 353,854
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 |  | 0
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 568,225 |  | 568,225 |  | 587,292
Total | 568,225 |  | 568,225 |  | 587,292
Personal Banking Portfolio Segment [Member] | Current to 90 Days Past Due | Overdrafts |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 16,316 |  | 16,316 |  | 11,266
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Total | 16,316 |  | 16,316 |  | 11,266
Personal Banking Portfolio Segment [Member] | Over 90 days past due |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 80 |  | 80 |  | 1,130
Fiscal Year before Current Fiscal Year | 1,080 |  | 1,080 |  | 1,476
Two Years before Current Fiscal Year | 1,435 |  | 1,435 |  | 1,837
Three Years before Current Fiscal Year | 2,908 |  | 2,908 |  | 2,103
Four Years before Current Fiscal Year | 2,037 |  | 2,037 |  | 3,227
Prior | 5,788 |  | 5,788 |  | 3,194
Revolving Loans Amortized Cost Basis | 10,861 |  | 10,861 |  | 10,985
Total | 24,189 |  | 24,189 |  | 23,952
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 |  | 665
Fiscal Year before Current Fiscal Year | 573 |  | 573 |  | 892
Two Years before Current Fiscal Year | 1,000 |  | 1,000 |  | 1,431
Three Years before Current Fiscal Year | 2,642 |  | 2,642 |  | 1,890
Four Years before Current Fiscal Year | 1,938 |  | 1,938 |  | 3,180
Prior | 5,429 |  | 5,429 |  | 2,827
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Total | 11,582 |  | 11,582 |  | 10,885
Personal Banking Portfolio Segment [Member] | Over 90 days past due | Consumer Loan [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 80 |  | 80 |  | 465
Fiscal Year before Current Fiscal Year | 507 |  | 507 |  | 584
Two Years before Current Fiscal Year | 435 |  | 435 |  | 406
Three Years before Current Fiscal Year | 266 |  | 266 |  | 213
Four Years before Current Fiscal Year | 99 |  | 99 |  | 47
Prior | 359 |  | 359 |  | 367
Revolving Loans Amortized Cost Basis | 2,245 |  | 2,245 |  | 1,528
Total | 3,991 |  | 3,991 |  | 3,610
Personal Banking Portfolio Segment [Member] | Over 90 days past due | Revolving home equity |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 0 |  | 0 |  | 0
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 690 |  | 690 |  | 819
Total | 690 |  | 690 |  | 819
Personal Banking Portfolio Segment [Member] | Over 90 days past due | Credit Card Receivable [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 0 |  | 0 |  | 0
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 7,926 |  | 7,926 |  | 8,638
Total | 7,926 |  | 7,926 |  | 8,638
Personal Banking Portfolio Segment [Member] | Non-Accrual [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 0 |  | 0 |  | 0
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 8
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 108
Four Years before Current Fiscal Year | 105 |  | 105 |  | 0
Prior | 843 |  | 843 |  | 910
Revolving Loans Amortized Cost Basis | 1,977 |  | 1,977 |  | 1,977
Total | 2,925 |  | 2,925 |  | 3,003
Personal Banking Portfolio Segment [Member] | Non-Accrual [Member] | Personal Real Estate Loan [Member] |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 0 |  | 0 |  | 0
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 8
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 108
Four Years before Current Fiscal Year | 105 |  | 105 |  | 0
Prior | 843 |  | 843 |  | 910
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Total | 948 |  | 948 |  | 1,026
Personal Banking Portfolio Segment [Member] | Non-Accrual [Member] | Revolving home equity |  |  |  |  |
Credit Quality Indicator [Line Items] |  |  |  |  |
Current Fiscal Year | 0 |  | 0 |  | 0
Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 1,977 |  | 1,977 |  | 1,977
Total | $ 1,977 |  | $ 1,977 |  | $ 1,977

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