v3.25.2
Loans And Allowance For Credit Losses (Credit Quality Indicators Commercial 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  
Commercial Portfolio Segment [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 1,683,281   1,683,281   $ 2,697,978
Fiscal Year before Current Fiscal Year 2,215,667   2,215,667   2,043,809
Two Years before Current Fiscal Year 1,670,204   1,670,204   1,878,607
Three Years before Current Fiscal Year 1,644,225   1,644,225   947,349
Four Years before Current Fiscal Year 792,869   792,869   537,261
Prior 1,090,948   1,090,948   837,905
Revolving Loans Amortized Cost Basis 2,394,666   2,394,666   2,182,030
Total 11,491,860   11,491,860   11,124,939
Loans charged off 495 $ 850 1,221 $ 1,166 2,035
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff     0   200
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff     208   275
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff     400   40
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff     0   53
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     10   80
Financing Receivable, Revolving, Writeoff     603   1,387
Commercial Portfolio Segment [Member] | Business Loan [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 948,032   948,032   1,521,094
Fiscal Year before Current Fiscal Year 1,195,858   1,195,858   970,070
Two Years before Current Fiscal Year 721,863   721,863   624,768
Three Years before Current Fiscal Year 515,392   515,392   414,893
Four Years before Current Fiscal Year 320,088   320,088   149,674
Prior 411,545   411,545   362,309
Revolving Loans Amortized Cost Basis 2,215,906   2,215,906   2,011,012
Total 6,328,684   6,328,684   6,053,820
Loans charged off     797   1,973
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff     0   200
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff     184   275
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff     0   40
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff     0   53
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     10   18
Financing Receivable, Revolving, Writeoff     603   1,387
Commercial Portfolio Segment [Member] | Real estate - construction and land          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 161,410   161,410   419,782
Fiscal Year before Current Fiscal Year 368,196   368,196   445,383
Two Years before Current Fiscal Year 433,694   433,694   451,606
Three Years before Current Fiscal Year 394,007   394,007   53,462
Four Years before Current Fiscal Year 22,414   22,414   3,143
Prior 3,548   3,548   2,450
Revolving Loans Amortized Cost Basis 22,129   22,129   34,075
Total 1,405,398   1,405,398   1,409,901
Loans charged off     24   0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff     0   0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff     24   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
Commercial Portfolio Segment [Member] | Business Real Estate Loan [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 573,839   573,839   757,102
Fiscal Year before Current Fiscal Year 651,613   651,613   628,356
Two Years before Current Fiscal Year 514,647   514,647   802,233
Three Years before Current Fiscal Year 734,826   734,826   478,994
Four Years before Current Fiscal Year 450,367   450,367   384,444
Prior 675,855   675,855   473,146
Revolving Loans Amortized Cost Basis 156,631   156,631   136,943
Total 3,757,778   3,757,778   3,661,218
Loans charged off     400   62
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     400   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   62
Financing Receivable, Revolving, Writeoff     0   0
Commercial Portfolio Segment [Member] | Pass [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 1,678,016   1,678,016   2,680,359
Fiscal Year before Current Fiscal Year 2,186,337   2,186,337   2,004,105
Two Years before Current Fiscal Year 1,612,368   1,612,368   1,801,310
Three Years before Current Fiscal Year 1,566,606   1,566,606   907,172
Four Years before Current Fiscal Year 767,866   767,866   515,343
Prior 999,443   999,443   720,906
Revolving Loans Amortized Cost Basis 2,222,396   2,222,396   2,051,539
Total 11,033,032   11,033,032   10,680,734
Commercial Portfolio Segment [Member] | Pass [Member] | Business Loan [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 945,508   945,508   1,505,299
Fiscal Year before Current Fiscal Year 1,186,213   1,186,213   956,449
Two Years before Current Fiscal Year 710,351   710,351   596,681
Three Years before Current Fiscal Year 491,234   491,234   405,669
Four Years before Current Fiscal Year 310,530   310,530   148,483
Prior 401,536   401,536   350,106
Revolving Loans Amortized Cost Basis 2,050,589   2,050,589   1,887,596
Total 6,095,961   6,095,961   5,850,283
Commercial Portfolio Segment [Member] | Pass [Member] | Real estate - construction and land          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 159,498   159,498   419,562
Fiscal Year before Current Fiscal Year 367,770   367,770   442,720
Two Years before Current Fiscal Year 431,180   431,180   451,606
Three Years before Current Fiscal Year 381,011   381,011   53,462
Four Years before Current Fiscal Year 22,414   22,414   3,143
Prior 3,548   3,548   2,450
Revolving Loans Amortized Cost Basis 22,129   22,129   34,075
Total 1,387,550   1,387,550   1,407,018
Commercial Portfolio Segment [Member] | Pass [Member] | Business Real Estate Loan [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 573,010   573,010   755,498
Fiscal Year before Current Fiscal Year 632,354   632,354   604,936
Two Years before Current Fiscal Year 470,837   470,837   753,023
Three Years before Current Fiscal Year 694,361   694,361   448,041
Four Years before Current Fiscal Year 434,922   434,922   363,717
Prior 594,359   594,359   368,350
Revolving Loans Amortized Cost Basis 149,678   149,678   129,868
Total 3,549,521   3,549,521   3,423,433
Commercial Portfolio Segment [Member] | Special Mention [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 5,265   5,265   13,900
Fiscal Year before Current Fiscal Year 26,568   26,568   7,978
Two Years before Current Fiscal Year 8,806   8,806   21,324
Three Years before Current Fiscal Year 30,824   30,824   16,679
Four Years before Current Fiscal Year 1,494   1,494   1,906
Prior 4,138   4,138   2,363
Revolving Loans Amortized Cost Basis 90,028   90,028   34,997
Total 167,123   167,123   99,147
Commercial Portfolio Segment [Member] | Special Mention [Member] | Business Loan [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 2,524   2,524   13,576
Fiscal Year before Current Fiscal Year 8,267   8,267   7,978
Two Years before Current Fiscal Year 5,751   5,751   8,941
Three Years before Current Fiscal Year 5,048   5,048   4,155
Four Years before Current Fiscal Year 377   377   263
Prior 1,792   1,792   2,065
Revolving Loans Amortized Cost Basis 90,028   90,028   34,997
Total 113,787   113,787   71,975
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real estate - construction and land          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 1,912   1,912   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 12,996   12,996   0
Four Years before Current Fiscal Year 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Total 14,908   14,908   0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Business Real Estate Loan [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 829   829   324
Fiscal Year before Current Fiscal Year 18,301   18,301   0
Two Years before Current Fiscal Year 3,055   3,055   12,383
Three Years before Current Fiscal Year 12,780   12,780   12,524
Four Years before Current Fiscal Year 1,117   1,117   1,643
Prior 2,346   2,346   298
Revolving Loans Amortized Cost Basis 0   0   0
Total 38,428   38,428   27,172
Commercial Portfolio Segment [Member] | Substandard [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 0   0   3,498
Fiscal Year before Current Fiscal Year 2,088   2,088   31,679
Two Years before Current Fiscal Year 48,725   48,725   55,802
Three Years before Current Fiscal Year 46,503   46,503   23,498
Four Years before Current Fiscal Year 23,344   23,344   5,344
Prior 72,858   72,858   114,468
Revolving Loans Amortized Cost Basis 82,242   82,242   95,494
Total 275,760   275,760   329,783
Commercial Portfolio Segment [Member] | Substandard [Member] | Business Loan [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 0   0   2,218
Fiscal Year before Current Fiscal Year 1,130   1,130   5,596
Two Years before Current Fiscal Year 5,600   5,600   19,145
Three Years before Current Fiscal Year 19,110   19,110   5,069
Four Years before Current Fiscal Year 9,181   9,181   928
Prior 8,216   8,216   10,086
Revolving Loans Amortized Cost Basis 75,289   75,289   88,419
Total 118,526   118,526   131,461
Commercial Portfolio Segment [Member] | Substandard [Member] | Real estate - construction and land          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 0   0   0
Fiscal Year before Current Fiscal Year 0   0   2,663
Two Years before Current Fiscal Year 2,514   2,514   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 2,514   2,514   2,663
Commercial Portfolio Segment [Member] | Substandard [Member] | Business Real Estate Loan [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 0   0   1,280
Fiscal Year before Current Fiscal Year 958   958   23,420
Two Years before Current Fiscal Year 40,611   40,611   36,657
Three Years before Current Fiscal Year 27,393   27,393   18,429
Four Years before Current Fiscal Year 14,163   14,163   4,416
Prior 64,642   64,642   104,382
Revolving Loans Amortized Cost Basis 6,953   6,953   7,075
Total 154,720   154,720   195,659
Commercial Portfolio Segment [Member] | Non-Accrual [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 0   0   221
Fiscal Year before Current Fiscal Year 674   674   47
Two Years before Current Fiscal Year 305   305   171
Three Years before Current Fiscal Year 292   292   0
Four Years before Current Fiscal Year 165   165   14,668
Prior 14,509   14,509   168
Revolving Loans Amortized Cost Basis 0   0   0
Total 15,945   15,945   15,275
Commercial Portfolio Segment [Member] | Non-Accrual [Member] | Business Loan [Member]          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 0   0   1
Fiscal Year before Current Fiscal Year 248   248   47
Two Years before Current Fiscal Year 161   161   1
Three Years before Current Fiscal Year 0   0   0
Four Years before Current Fiscal Year 0   0   0
Prior 1   1   52
Revolving Loans Amortized Cost Basis 0   0   0
Total 410   410   101
Commercial Portfolio Segment [Member] | Non-Accrual [Member] | Real estate - construction and land          
Credit Quality Indicator [Line Items]          
Current Fiscal Year 0   0   220
Fiscal Year before Current Fiscal Year 426   426   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 426   426   220
Commercial Portfolio Segment [Member] | Non-Accrual [Member] | Business Real Estate Loan [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 144   144   170
Three Years before Current Fiscal Year 292   292   0
Four Years before Current Fiscal Year 165   165   14,668
Prior 14,508   14,508   116
Revolving Loans Amortized Cost Basis 0   0   0
Total $ 15,109   $ 15,109   $ 14,954