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Loans and Leases (Recorded Investment, By Class, In Loans And Leases On Nonaccrual Status And Loans And Leases Greater Than 90 Days Past Due And Still Accruing) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Jan. 01, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | $ 186,454 | $ 168,717 | $ 121,689
Loans and leases greater than 90 days and accruing | 3,587 |  | 27,548
Non-PCI Loans | Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 40,099 | 42,407 | 42,407
Loans and leases greater than 90 days and accruing | 2,128 |  | 1,094
Non-PCI Loans | Commercial | Construction and land development |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 1,564 | 4,281 | 4,281
Loans and leases greater than 90 days and accruing | 0 |  | 0
Non-PCI Loans | Commercial | Owner occupied commercial mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 19,567 | 24,476 |
Loans and leases greater than 90 days and accruing | 1,288 |  |
Non-PCI Loans | Commercial | Non-owner occupied commercial mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 8,258 | 5,965 |
Loans and leases greater than 90 days and accruing | 0 |  |
Non-PCI Loans | Commercial | Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 10,710 | 7,685 | 7,365
Loans and leases greater than 90 days and accruing | 840 |  | 1,094
Non-PCI Loans | Commercial | Mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing |  |  | 29,733
Loans and leases greater than 90 days and accruing |  |  | 0
Non-PCI Loans | Commercial | Other commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing |  |  | 708
Loans and leases greater than 90 days and accruing |  |  | 0
Non-PCI Loans | Commercial | Other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing |  |  | 320
Loans and leases greater than 90 days and accruing |  |  | 0
Non-PCI Loans | Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 90,828 | 72,539 | 72,539
Loans and leases greater than 90 days and accruing | 1,459 |  | 2,197
Non-PCI Loans | Consumer | Construction and land development |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 689 | 2,828 | 2,828
Loans and leases greater than 90 days and accruing | 215 |  | 0
Non-PCI Loans | Consumer | Residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 63,646 | 44,357 | 44,357
Loans and leases greater than 90 days and accruing | 65 |  | 45
Non-PCI Loans | Consumer | Revolving mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 22,945 | 22,411 |
Loans and leases greater than 90 days and accruing | 0 |  |
Non-PCI Loans | Consumer | Consumer auto |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 2,634 | 2,145 |
Loans and leases greater than 90 days and accruing | 0 |  |
Non-PCI Loans | Consumer | Consumer other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 914 | 798 |
Loans and leases greater than 90 days and accruing | 1,179 |  |
Non-PCI Loans | Consumer | Revolving mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing |  |  | 22,411
Loans and leases greater than 90 days and accruing |  |  | 0
Non-PCI Loans | Consumer | Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing |  |  | 2,943
Loans and leases greater than 90 days and accruing |  |  | 2,152
PCD Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | 55,527 | 53,771 | 6,743
Loans and leases greater than 90 days and accruing | 0 |  | $ 24,257
Adoption of ASC 326 | PCD Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccruing | $ 27,500 | $ 47,000 |

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