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Loans And Allowance For Credit Losses (Credit Quality Indicators Commercial Loan Portfolio) (Details) - Commercial Portfolio Segment [Member] - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | $ 2,456,180 | $ 2,917,439
Fiscal Year before Current Fiscal Year | 2,170,030 | 1,869,035
Two Years before Current Fiscal Year | 1,309,639 | 1,223,303
Three Years before Current Fiscal Year | 917,147 | 555,494
Four Years before Current Fiscal Year | 410,742 | 408,432
Prior | 648,366 | 593,927
Revolving Loans Amortized Cost Basis | 2,155,373 | 1,913,008
Total | 10,067,477 | 9,480,638
Business |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 1,176,976 | 1,476,920
Fiscal Year before Current Fiscal Year | 913,679 | 705,474
Two Years before Current Fiscal Year | 520,257 | 581,191
Three Years before Current Fiscal Year | 400,428 | 267,274
Four Years before Current Fiscal Year | 192,162 | 160,729
Prior | 277,606 | 289,793
Revolving Loans Amortized Cost Basis | 2,047,787 | 1,822,154
Total | 5,528,895 | 5,303,535
Real estate - construction and land |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 399,880 | 643,868
Fiscal Year before Current Fiscal Year | 580,430 | 358,127
Two Years before Current Fiscal Year | 150,642 | 66,985
Three Years before Current Fiscal Year | 26,840 | 17,991
Four Years before Current Fiscal Year | 16,288 | 15,813
Prior | 15,401 | 2,252
Revolving Loans Amortized Cost Basis | 17,474 | 13,230
Total | 1,206,955 | 1,118,266
Real estate - business |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 879,324 | 796,651
Fiscal Year before Current Fiscal Year | 675,921 | 805,434
Two Years before Current Fiscal Year | 638,740 | 575,127
Three Years before Current Fiscal Year | 489,879 | 270,229
Four Years before Current Fiscal Year | 202,292 | 231,890
Prior | 355,359 | 301,882
Revolving Loans Amortized Cost Basis | 90,112 | 77,624
Total | 3,331,627 | 3,058,837
Pass [Member] |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 2,444,091 | 2,848,164
Fiscal Year before Current Fiscal Year | 2,105,092 | 1,762,837
Two Years before Current Fiscal Year | 1,236,574 | 1,173,441
Three Years before Current Fiscal Year | 891,480 | 480,987
Four Years before Current Fiscal Year | 356,871 | 332,781
Prior | 550,219 | 527,195
Revolving Loans Amortized Cost Basis | 2,149,584 | 1,884,944
Total | 9,733,911 | 9,010,349
Pass [Member] | Business |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 1,167,741 | 1,473,869
Fiscal Year before Current Fiscal Year | 902,680 | 704,157
Two Years before Current Fiscal Year | 519,179 | 554,759
Three Years before Current Fiscal Year | 396,052 | 248,739
Four Years before Current Fiscal Year | 188,319 | 159,238
Prior | 255,455 | 270,454
Revolving Loans Amortized Cost Basis | 2,041,998 | 1,795,073
Total | 5,471,424 | 5,206,289
Pass [Member] | Real estate - construction and land |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 399,880 | 598,734
Fiscal Year before Current Fiscal Year | 560,930 | 346,507
Two Years before Current Fiscal Year | 140,643 | 66,985
Three Years before Current Fiscal Year | 26,840 | 2,110
Four Years before Current Fiscal Year | 1,362 | 2,655
Prior | 2,208 | 2,252
Revolving Loans Amortized Cost Basis | 17,474 | 13,230
Total | 1,149,337 | 1,032,473
Pass [Member] | Real estate - business |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 876,470 | 775,561
Fiscal Year before Current Fiscal Year | 641,482 | 712,173
Two Years before Current Fiscal Year | 576,752 | 551,697
Three Years before Current Fiscal Year | 468,588 | 230,138
Four Years before Current Fiscal Year | 167,190 | 170,888
Prior | 292,556 | 254,489
Revolving Loans Amortized Cost Basis | 90,112 | 76,641
Total | 3,113,150 | 2,771,587
Special Mention [Member] |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 5,059 | 50,445
Fiscal Year before Current Fiscal Year | 8,982 | 30,448
Two Years before Current Fiscal Year | 856 | 28,076
Three Years before Current Fiscal Year | 10,489 | 50,611
Four Years before Current Fiscal Year | 1,055 | 3,558
Prior | 8,520 | 5,335
Revolving Loans Amortized Cost Basis | 1,923 | 16,546
Total | 36,884 | 185,019
Special Mention [Member] | Business |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 2,205 | 1,785
Fiscal Year before Current Fiscal Year | 5,535 | 126
Two Years before Current Fiscal Year | 224 | 17,576
Three Years before Current Fiscal Year | 635 | 12,050
Four Years before Current Fiscal Year | 70 | 1,490
Prior | 7,994 | 3,232
Revolving Loans Amortized Cost Basis | 1,923 | 16,545
Total | 18,586 | 52,804
Special Mention [Member] | Real estate - construction and land |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 0 | 44,649
Fiscal Year before Current Fiscal Year | 0 | 0
Two Years before Current Fiscal Year | 0 | 0
Three Years before Current Fiscal Year | 0 | 985
Four Years before Current Fiscal Year | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Total | 0 | 45,634
Special Mention [Member] | Real estate - business |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 2,854 | 4,011
Fiscal Year before Current Fiscal Year | 3,447 | 30,322
Two Years before Current Fiscal Year | 632 | 10,500
Three Years before Current Fiscal Year | 9,854 | 37,576
Four Years before Current Fiscal Year | 985 | 2,068
Prior | 526 | 2,103
Revolving Loans Amortized Cost Basis | 0 | 1
Total | 18,298 | 86,581
Substandard [Member] |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 6,600 | 18,400
Fiscal Year before Current Fiscal Year | 55,901 | 75,750
Two Years before Current Fiscal Year | 72,149 | 21,785
Three Years before Current Fiscal Year | 15,127 | 22,158
Four Years before Current Fiscal Year | 51,720 | 72,093
Prior | 85,525 | 56,040
Revolving Loans Amortized Cost Basis | 3,866 | 11,518
Total | 290,888 | 277,744
Substandard [Member] | Business |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 6,600 | 836
Fiscal Year before Current Fiscal Year | 5,409 | 1,191
Two Years before Current Fiscal Year | 794 | 8,855
Three Years before Current Fiscal Year | 3,690 | 4,936
Four Years before Current Fiscal Year | 2,817 | 1
Prior | 10,064 | 10,775
Revolving Loans Amortized Cost Basis | 3,866 | 10,536
Total | 33,240 | 37,130
Substandard [Member] | Real estate - construction and land |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 0 | 485
Fiscal Year before Current Fiscal Year | 19,500 | 11,620
Two Years before Current Fiscal Year | 9,999 | 0
Three Years before Current Fiscal Year | 0 | 14,896
Four Years before Current Fiscal Year | 14,926 | 13,158
Prior | 13,193 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Total | 57,618 | 40,159
Substandard [Member] | Real estate - business |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 0 | 17,079
Fiscal Year before Current Fiscal Year | 30,992 | 62,939
Two Years before Current Fiscal Year | 61,356 | 12,930
Three Years before Current Fiscal Year | 11,437 | 2,326
Four Years before Current Fiscal Year | 33,977 | 58,934
Prior | 62,268 | 45,265
Revolving Loans Amortized Cost Basis | 0 | 982
Total | 200,030 | 200,455
Non-Accrual [Member] |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 430 | 430
Fiscal Year before Current Fiscal Year | 55 | 0
Two Years before Current Fiscal Year | 60 | 1
Three Years before Current Fiscal Year | 51 | 1,738
Four Years before Current Fiscal Year | 1,096 | 0
Prior | 4,102 | 5,357
Revolving Loans Amortized Cost Basis | 0 | 0
Total | 5,794 | 7,526
Non-Accrual [Member] | Business |  |
Credit Quality Indicator [Line Items] |  |
Current Fiscal Year | 430 | 430
Fiscal Year before Current Fiscal Year | 55 | 0
Two Years before Current Fiscal Year | 60 | 1
Three Years before Current Fiscal Year | 51 | 1,549
Four Years before Current Fiscal Year | 956 | 0
Prior | 4,093 | 5,332
Revolving Loans Amortized Cost Basis | 0 | 0
Total | 5,645 | 7,312
Non-Accrual [Member] | Real estate - business |  |
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 | 189
Four Years before Current Fiscal Year | 140 | 0
Prior | 9 | 25
Revolving Loans Amortized Cost Basis | 0 | 0
Total | $ 149 | $ 214

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