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Loans And Allowance For Credit Losses (Credit Quality Indicators of the Commercial Loan Portfolio) (Details) - Commercial Portfolio Segment [Member] $ in Thousands | Dec. 31, 2020 USD ($)
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Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | $ 3,992,080
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,034,638
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 927,791
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 714,477
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 545,687
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 547,950
Financing Receivable, Revolving | 1,831,176
Financing Receivable, before Allowance for Credit Loss | 10,593,799
Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 2,530,896
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,014,800
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 463,062
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 334,054
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 172,528
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 300,317
Financing Receivable, Revolving | 1,730,430
Financing Receivable, before Allowance for Credit Loss | 6,546,087
Real Estate - Construction And Land [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 514,148
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 330,480
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 72,758
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 50,735
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 24,426
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,692
Financing Receivable, Revolving | 27,356
Financing Receivable, before Allowance for Credit Loss | 1,021,595
Real Estate - Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 947,036
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 689,358
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 391,971
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 329,688
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 348,733
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 245,941
Financing Receivable, Revolving | 73,390
Financing Receivable, before Allowance for Credit Loss | 3,026,117
Pass [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 3,846,461
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,962,947
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 832,154
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 573,884
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 501,474
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 482,830
Financing Receivable, Revolving | 1,714,832
Financing Receivable, before Allowance for Credit Loss | 9,914,582
Pass [Member] | Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 2,472,419
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 966,068
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 438,557
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 329,207
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 163,357
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 281,604
Financing Receivable, Revolving | 1,619,680
Financing Receivable, before Allowance for Credit Loss | 6,270,892
Pass [Member] | Real Estate - Construction And Land [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 483,302
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 330,480
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 56,747
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 3,021
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 24,426
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,692
Financing Receivable, Revolving | 27,356
Financing Receivable, before Allowance for Credit Loss | 927,024
Pass [Member] | Real Estate - Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 890,740
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 666,399
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 336,850
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 241,656
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 313,691
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 199,534
Financing Receivable, Revolving | 67,796
Financing Receivable, before Allowance for Credit Loss | 2,716,666
Special Mention [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 67,240
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 48,480
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 64,704
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 42,910
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 22,595
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,973
Financing Receivable, Revolving | 44,751
Financing Receivable, before Allowance for Credit Loss | 293,653
Special Mention [Member] | Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 28,612
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 26,746
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 14,102
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 1,781
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 5,091
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,664
Financing Receivable, Revolving | 41,749
Financing Receivable, before Allowance for Credit Loss | 119,745
Special Mention [Member] | Real Estate - Construction And Land [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 29,692
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,022
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 34,532
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0
Financing Receivable, Revolving | 0
Financing Receivable, before Allowance for Credit Loss | 65,246
Special Mention [Member] | Real Estate - Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 8,936
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 21,734
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 49,580
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 6,597
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 17,504
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,309
Financing Receivable, Revolving | 3,002
Financing Receivable, before Allowance for Credit Loss | 108,662
Substandard [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 65,282
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 23,022
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 24,126
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 97,292
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 21,116
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 58,404
Financing Receivable, Revolving | 71,568
Financing Receivable, before Allowance for Credit Loss | 360,810
Substandard [Member] | Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 17,246
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 21,985
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 5,076
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 2,675
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 3,578
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 13,390
Financing Receivable, Revolving | 68,976
Financing Receivable, before Allowance for Credit Loss | 132,926
Substandard [Member] | Real Estate - Construction And Land [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 1,154
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 14,989
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 13,182
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0
Financing Receivable, Revolving | 0
Financing Receivable, before Allowance for Credit Loss | 29,325
Substandard [Member] | Real Estate - Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 46,882
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,037
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 4,061
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 81,435
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 17,538
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 45,014
Financing Receivable, Revolving | 2,592
Financing Receivable, before Allowance for Credit Loss | 198,559
Non-Accrual [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 13,097
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 189
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 6,807
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 391
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 502
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 3,743
Financing Receivable, Revolving | 25
Financing Receivable, before Allowance for Credit Loss | 24,754
Non-Accrual [Member] | Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 12,619
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 5,327
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 391
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 502
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 3,659
Financing Receivable, Revolving | 25
Financing Receivable, before Allowance for Credit Loss | 22,524
Non-Accrual [Member] | Real Estate - Business [Member] |
Loans And Allowance For Loan Losses [Line Items] |
Financing Receivable, Year One, Originated, Current Fiscal Year | 478
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 188
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,480
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 84
Financing Receivable, Revolving | 0
Financing Receivable, before Allowance for Credit Loss | $ 2,230

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