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Loans and Leases (Aging Of The Outstanding Loans and Leases By Class Excluding Loans Impaired At Acquisition Date) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | $ 245,485 | $ 272,770
Current | 32,546,490 | 28,608,726
Total loans and leases | 32,791,975 | 28,881,496
Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 22,558,060 | 18,836,331
Commercial | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 985,424 |
Commercial | Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 5,013,644 |
Commercial | Mortgage Receivable, Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 11,165,012 |
Commercial | Mortgage Receivable, Non-Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 2,987,689 |
Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current |  | 9,879,384
Total loans and leases | 9,771,033 | 10,045,165
Consumer Portfolio Segment | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 348,123 |
Consumer Portfolio Segment | Residential Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 5,561,686 |
Consumer Portfolio Segment | Revolving Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 2,052,854 |
Consumer Portfolio Segment | Consumer Auto Loan |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 1,255,402 |
Consumer Portfolio Segment | Consumer Loan, Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 552,968 |
Non-PCI Loans | Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 74,146
Current |  | 18,477,856
Total loans and leases |  | 18,552,002
Non-PCI Loans | Commercial | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 3,086 | 6,043
Current | 982,338 | 1,007,411
Total loans and leases | 985,424 | 1,013,454
Non-PCI Loans | Commercial | Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 37,482
Current |  | 12,245,153
Total loans and leases |  | 12,282,635
Non-PCI Loans | Commercial | Other commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 1,890
Current |  | 540,138
Total loans and leases |  | 542,028
Non-PCI Loans | Commercial | Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 20,617 | 28,143
Current | 4,993,027 | 4,375,649
Total loans and leases | 5,013,644 | 4,403,792
Non-PCI Loans | Commercial | SBA-PPP |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
Current | 2,406,291 |
Total loans and leases | 2,406,291 |
Non-PCI Loans | Commercial | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 67,117 | 588
Current | 22,490,943 | 309,505
Total loans and leases | 22,558,060 | 310,093
Non-PCI Loans | Commercial | Mortgage Receivable, Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 25,071 |
Current | 11,139,941 |
Total loans and leases | 11,165,012 |
Non-PCI Loans | Commercial | Mortgage Receivable, Non-Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 18,343 |
Current | 2,969,346 |
Total loans and leases | 2,987,689 |
Non-PCI Loans | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 122,944 | 132,389
Current | 9,648,089 | 9,638,389
Total loans and leases | 9,771,033 | 9,770,778
Non-PCI Loans | Consumer Portfolio Segment | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,339 | 2,992
Current | 346,784 | 354,393
Total loans and leases | 348,123 | 357,385
Non-PCI Loans | Consumer Portfolio Segment | Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current |  | 5,205,380
Total loans and leases |  | 5,293,917
Non-PCI Loans | Consumer Portfolio Segment | Residential Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 83,272 | 88,537
Current | 5,478,414 | 5,205,380
Total loans and leases | 5,561,686 | 5,293,917
Non-PCI Loans | Consumer Portfolio Segment | Revolving Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 22,018 | 23,062
Current | 2,030,836 | 2,316,010
Total loans and leases | 2,052,854 | 2,339,072
Non-PCI Loans | Consumer Portfolio Segment | Consumer Auto Loan |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 9,736 |
Current | 1,245,666 |
Total loans and leases | 1,255,402 |
Non-PCI Loans | Consumer Portfolio Segment | Consumer Loan, Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 6,579 |
Current | 546,389 |
Total loans and leases | 552,968 |
Non-PCI Loans | Consumer Portfolio Segment | Consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 17,798
Current |  | 1,762,606
Total loans and leases |  | 1,780,404
PCD Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 55,424 | 66,235
Current | 407,458 | 492,481
Total loans and leases | 462,882 | 558,716
PCD Loans | Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases |  | 284,329
PCD Loans | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current |  | 240,995
Total loans and leases |  | 274,387
30-59 days past due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 121,499 | 136,220
30-59 days past due | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 80,790
30-59 days past due | Consumer Portfolio Segment | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 932 |
30-59 days past due | Consumer Portfolio Segment | Residential Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 43,218 |
30-59 days past due | Consumer Portfolio Segment | Revolving Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 11,977 |
30-59 days past due | Consumer Portfolio Segment | Consumer Auto Loan |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 6,825 |
30-59 days past due | Consumer Portfolio Segment | Consumer Loan, Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 3,610 |
30-59 days past due | Non-PCI Loans | Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 42,716
30-59 days past due | Non-PCI Loans | Commercial | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 956 | 3,146
30-59 days past due | Non-PCI Loans | Commercial | Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 20,389
30-59 days past due | Non-PCI Loans | Commercial | Other commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 861
30-59 days past due | Non-PCI Loans | Commercial | Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 14,532 | 18,269
30-59 days past due | Non-PCI Loans | Commercial | SBA-PPP |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
30-59 days past due | Non-PCI Loans | Commercial | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 36,615 | 51
30-59 days past due | Non-PCI Loans | Commercial | Mortgage Receivable, Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 8,757 |
30-59 days past due | Non-PCI Loans | Commercial | Mortgage Receivable, Non-Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 12,370 |
30-59 days past due | Non-PCI Loans | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 66,562 | 67,026
30-59 days past due | Non-PCI Loans | Consumer Portfolio Segment | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 932 | 977
30-59 days past due | Non-PCI Loans | Consumer Portfolio Segment | Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 45,839
30-59 days past due | Non-PCI Loans | Consumer Portfolio Segment | Residential Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 43,218 | 45,839
30-59 days past due | Non-PCI Loans | Consumer Portfolio Segment | Revolving Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 11,977 | 9,729
30-59 days past due | Non-PCI Loans | Consumer Portfolio Segment | Consumer Auto Loan |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 6,825 |
30-59 days past due | Non-PCI Loans | Consumer Portfolio Segment | Consumer Loan, Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 3,610 |
30-59 days past due | Non-PCI Loans | Consumer Portfolio Segment | Consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 10,481
30-59 days past due | PCD Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 18,322 | 26,478
Total loans and leases | 18,322 |
30-59 days past due | PCD Loans | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 13,764
60-89 days past due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 26,043 | 51,058
60-89 days past due | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 31,329
60-89 days past due | Consumer Portfolio Segment | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 77 |
60-89 days past due | Consumer Portfolio Segment | Residential Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 8,364 |
60-89 days past due | Consumer Portfolio Segment | Revolving Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 2,626 |
60-89 days past due | Consumer Portfolio Segment | Consumer Auto Loan |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 1,835 |
60-89 days past due | Consumer Portfolio Segment | Consumer Loan, Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 1,464 |
60-89 days past due | Non-PCI Loans | Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 14,553
60-89 days past due | Non-PCI Loans | Commercial | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 527 | 195
60-89 days past due | Non-PCI Loans | Commercial | Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 8,774
60-89 days past due | Non-PCI Loans | Commercial | Other commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 331
60-89 days past due | Non-PCI Loans | Commercial | Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 2,842 | 4,842
60-89 days past due | Non-PCI Loans | Commercial | SBA-PPP |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
60-89 days past due | Non-PCI Loans | Commercial | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 5,601 | 411
60-89 days past due | Non-PCI Loans | Commercial | Mortgage Receivable, Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 2,232 |
60-89 days past due | Non-PCI Loans | Commercial | Mortgage Receivable, Non-Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
60-89 days past due | Non-PCI Loans | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 14,366 | 25,721
60-89 days past due | Non-PCI Loans | Consumer Portfolio Segment | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 77 | 218
60-89 days past due | Non-PCI Loans | Consumer Portfolio Segment | Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 18,289
60-89 days past due | Non-PCI Loans | Consumer Portfolio Segment | Residential Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 8,364 | 18,289
60-89 days past due | Non-PCI Loans | Consumer Portfolio Segment | Revolving Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 2,626 | 3,468
60-89 days past due | Non-PCI Loans | Consumer Portfolio Segment | Consumer Auto Loan |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,835 |
60-89 days past due | Non-PCI Loans | Consumer Portfolio Segment | Consumer Loan, Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,464 |
60-89 days past due | Non-PCI Loans | Consumer Portfolio Segment | Consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 3,746
60-89 days past due | PCD Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 6,076 | 10,784
Total loans and leases | 6,076 |
60-89 days past due | PCD Loans | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 5,608
90 days or greater |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 97,943 | 85,492
90 days or greater | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 53,662
90 days or greater | Consumer Portfolio Segment | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 330 |
90 days or greater | Consumer Portfolio Segment | Residential Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 31,690 |
90 days or greater | Consumer Portfolio Segment | Revolving Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 7,415 |
90 days or greater | Consumer Portfolio Segment | Consumer Auto Loan |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 1,076 |
90 days or greater | Consumer Portfolio Segment | Consumer Loan, Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans and leases | 1,505 |
90 days or greater | Non-PCI Loans | Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 16,877
90 days or greater | Non-PCI Loans | Commercial | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,603 | 2,702
90 days or greater | Non-PCI Loans | Commercial | Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 8,319
90 days or greater | Non-PCI Loans | Commercial | Other commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 698
90 days or greater | Non-PCI Loans | Commercial | Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 3,243 | 5,032
90 days or greater | Non-PCI Loans | Commercial | SBA-PPP |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 |
90 days or greater | Non-PCI Loans | Commercial | Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 24,901 | 126
90 days or greater | Non-PCI Loans | Commercial | Mortgage Receivable, Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 14,082 |
90 days or greater | Non-PCI Loans | Commercial | Mortgage Receivable, Non-Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 5,973 |
90 days or greater | Non-PCI Loans | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 42,016 | 39,642
90 days or greater | Non-PCI Loans | Consumer Portfolio Segment | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 330 | 1,797
90 days or greater | Non-PCI Loans | Consumer Portfolio Segment | Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 24,409
90 days or greater | Non-PCI Loans | Consumer Portfolio Segment | Residential Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 31,690 | 24,409
90 days or greater | Non-PCI Loans | Consumer Portfolio Segment | Revolving Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 7,415 | 9,865
90 days or greater | Non-PCI Loans | Consumer Portfolio Segment | Consumer Auto Loan |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,076 |
90 days or greater | Non-PCI Loans | Consumer Portfolio Segment | Consumer Loan, Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,505 |
90 days or greater | Non-PCI Loans | Consumer Portfolio Segment | Consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 3,571
90 days or greater | PCD Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 31,026 | 28,973
Total loans and leases | $ 31,026 |
90 days or greater | PCD Loans | Consumer Portfolio Segment |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | $ 14,020

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