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Loans and Leases (Aging Of The Outstanding Loans and Leases By Class) (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Past due loans | $ 228,304 | $ 272,770
Current loans | 32,190,121 | 28,608,726
Total loans and leases | 32,418,425 | 28,881,496
Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 22,156,874 |
Commercial | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 1,012,365 |
Commercial | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 4,650,839 |
Commercial | SBA-PPP |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 3,084,549 |
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 9,730,900 |
Consumer | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 353,382 |
Consumer | Residential mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 5,404,682 |
Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 2,233,977 |
Non-PCI Loans | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 74,146
Current loans |  | 18,477,856
Total loans and leases |  | 18,552,002
Non-PCI Loans | Commercial | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 3,353 | 6,043
Current loans | 1,009,012 | 1,007,411
Total loans and leases | 1,012,365 | 1,013,454
Non-PCI Loans | Commercial | Mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 29,698 | 37,482
Current loans | 10,323,095 | 12,245,153
Total loans and leases | 10,352,793 | 12,282,635
Non-PCI Loans | Commercial | Other commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 17,416 | 1,890
Current loans | 3,038,912 | 540,138
Total loans and leases | 3,056,328 | 542,028
Non-PCI Loans | Commercial | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 17,875 | 28,143
Current loans | 4,632,964 | 4,375,649
Total loans and leases | 4,650,839 | 4,403,792
Non-PCI Loans | Commercial | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 68,342 | 588
Current loans | 22,088,532 | 309,505
Total loans and leases | 22,156,874 | 310,093
Non-PCI Loans | Commercial | SBA-PPP |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 0 |
Current loans | 3,084,549 |
Total loans and leases | 3,084,549 |
Non-PCI Loans | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 102,935 | 132,389
Current loans | 9,627,965 | 9,638,389
Total loans and leases | 9,730,900 | 9,770,778
Non-PCI Loans | Consumer | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 5,193 | 2,992
Current loans | 1,190,578 | 354,393
Total loans and leases | 1,195,771 | 357,385
Non-PCI Loans | Consumer | Mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 88,537
Current loans |  | 5,205,380
Total loans and leases |  | 5,293,917
Non-PCI Loans | Consumer | Residential mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 67,369 |
Current loans | 5,337,313 |
Total loans and leases | 5,404,682 |
Non-PCI Loans | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 22,495 |
Current loans | 2,211,482 |
Total loans and leases | 2,233,977 |
Non-PCI Loans | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 1,919 | 23,062
Current loans | 351,463 | 2,316,010
Total loans and leases | 353,382 | 2,339,072
Non-PCI Loans | Consumer | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 5,959 | 17,798
Current loans | 537,129 | 1,762,606
Total loans and leases | 543,088 | 1,780,404
PCD Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 57,027 | 66,235
Current loans | 473,624 | 492,481
Total loans and leases | 530,651 | 558,716
PCD Loans | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Current loans |  | 240,995
30 to 59 Days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 94,584 | 136,220
30 to 59 Days past due | Consumer | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 1,735 |
30 to 59 Days past due | Consumer | Residential mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 25,243 |
30 to 59 Days past due | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 8,874 |
30 to 59 Days past due | Non-PCI Loans | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 42,716
30 to 59 Days past due | Non-PCI Loans | Commercial | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 1,618 | 3,146
30 to 59 Days past due | Non-PCI Loans | Commercial | Mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 14,360 | 20,389
30 to 59 Days past due | Non-PCI Loans | Commercial | Other commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 7,914 | 861
30 to 59 Days past due | Non-PCI Loans | Commercial | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 10,464 | 18,269
30 to 59 Days past due | Non-PCI Loans | Commercial | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 34,356 | 51
30 to 59 Days past due | Non-PCI Loans | Commercial | SBA-PPP |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 0 |
30 to 59 Days past due | Non-PCI Loans | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 41,378 | 67,026
30 to 59 Days past due | Non-PCI Loans | Consumer | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 3,093 | 977
30 to 59 Days past due | Non-PCI Loans | Consumer | Mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 45,839
30 to 59 Days past due | Non-PCI Loans | Consumer | Residential mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 25,243 |
30 to 59 Days past due | Non-PCI Loans | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 8,874 |
30 to 59 Days past due | Non-PCI Loans | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 1,735 | 9,729
30 to 59 Days past due | Non-PCI Loans | Consumer | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 2,433 | 10,481
30 to 59 Days past due | PCD Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 18,850 | 26,478
Total loans and leases | 18,850 |
30 to 59 Days past due | PCD Loans | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 13,764
60 to 89 Days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 26,043 | 51,058
60 to 89 Days past due | Consumer | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 127 |
60 to 89 Days past due | Consumer | Residential mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 7,082 |
60 to 89 Days past due | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 4,615 |
60 to 89 Days past due | Non-PCI Loans | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 14,553
60 to 89 Days past due | Non-PCI Loans | Commercial | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 14 | 195
60 to 89 Days past due | Non-PCI Loans | Commercial | Mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 2,518 | 8,774
60 to 89 Days past due | Non-PCI Loans | Commercial | Other commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 982 | 331
60 to 89 Days past due | Non-PCI Loans | Commercial | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 3,196 | 4,842
60 to 89 Days past due | Non-PCI Loans | Commercial | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 6,710 | 411
60 to 89 Days past due | Non-PCI Loans | Commercial | SBA-PPP |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 0 |
60 to 89 Days past due | Non-PCI Loans | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 14,639 | 25,721
60 to 89 Days past due | Non-PCI Loans | Consumer | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 1,124 | 218
60 to 89 Days past due | Non-PCI Loans | Consumer | Mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 18,289
60 to 89 Days past due | Non-PCI Loans | Consumer | Residential mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 7,082 |
60 to 89 Days past due | Non-PCI Loans | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 4,615 |
60 to 89 Days past due | Non-PCI Loans | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 127 | 3,468
60 to 89 Days past due | Non-PCI Loans | Consumer | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 1,691 | 3,746
60 to 89 Days past due | PCD Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 4,694 | 10,784
Total loans and leases | 4,694 |
60 to 89 Days past due | PCD Loans | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 5,608
90 Days or greater |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 107,677 | 85,492
90 Days or greater | Consumer | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 57 |
90 Days or greater | Consumer | Residential mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 35,044 |
90 Days or greater | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans and leases | 9,006 |
90 Days or greater | Non-PCI Loans | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 16,877
90 Days or greater | Non-PCI Loans | Commercial | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 1,721 | 2,702
90 Days or greater | Non-PCI Loans | Commercial | Mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 12,820 | 8,319
90 Days or greater | Non-PCI Loans | Commercial | Other commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 8,520 | 698
90 Days or greater | Non-PCI Loans | Commercial | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 4,215 | 5,032
90 Days or greater | Non-PCI Loans | Commercial | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 27,276 | 126
90 Days or greater | Non-PCI Loans | Commercial | SBA-PPP |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 0 |
90 Days or greater | Non-PCI Loans | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 46,918 | 39,642
90 Days or greater | Non-PCI Loans | Consumer | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 976 | 1,797
90 Days or greater | Non-PCI Loans | Consumer | Mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | 24,409
90 Days or greater | Non-PCI Loans | Consumer | Residential mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 35,044 |
90 Days or greater | Non-PCI Loans | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 9,006 |
90 Days or greater | Non-PCI Loans | Consumer | Revolving mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 57 | 9,865
90 Days or greater | Non-PCI Loans | Consumer | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 1,835 | 3,571
90 Days or greater | PCD Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans | 33,483 | 28,973
Total loans and leases | $ 33,483 |
90 Days or greater | PCD Loans | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Past due loans |  | $ 14,020

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