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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) - Non-PCI Loans - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | $ 114,946 | $ 84,546
Loans and leases greater than 90 days and accruing | 3,291 | 2,888
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 42,407 | 18,529
Loans and leases greater than 90 days and accruing | 1,094 | 808
Commercial | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 4,281 | 666
Loans and leases greater than 90 days and accruing | 0 | 0
Commercial | Mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 29,733 | 12,594
Loans and leases greater than 90 days and accruing | 0 | 0
Commercial | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 7,365 | 4,624
Loans and leases greater than 90 days and accruing | 1,094 | 808
Commercial | Other commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 708 | 366
Loans and leases greater than 90 days and accruing | 0 | 0
Commercial | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 320 | 279
Loans and leases greater than 90 days and accruing | 0 | 0
Noncommercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 72,539 | 66,017
Loans and leases greater than 90 days and accruing | 2,197 | 2,080
Noncommercial | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 2,828 | 1,823
Loans and leases greater than 90 days and accruing | 0 | 0
Noncommercial | Residential Mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 44,357 | 35,662
Loans and leases greater than 90 days and accruing | 45 | 0
Noncommercial | Revolving mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 22,411 | 25,563
Loans and leases greater than 90 days and accruing | 0 | 0
Noncommercial | Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccruing | 2,943 | 2,969
Loans and leases greater than 90 days and accruing | $ 2,152 | $ 2,080

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