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Loans and Leases (Loans Acquired By Loan Class) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI Loans | $ 809,169 | $ 950,516 | $ 1,186,498
Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI Loans | 499,970 | 593,614 |
Commercial | Construction and land development |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI Loans | 20,766 | 33,880 |
Commercial | Mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI Loans | 453,013 | 525,468 |
Commercial | Other commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI Loans | 12,645 | 17,076 |
Commercial | Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI Loans | 11,844 | 15,182 |
Commercial | Other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI Loans | 1,702 | 2,008 |
Noncommercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI Loans | 309,199 | 356,902 |
Noncommercial | Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
PCI Loans | $ 1,772 | $ 2,273 |

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- Definition The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and other-than-temporary impairments), for loans accounted for as debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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