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Loans (Troubled Debt Restructurings Modified by Portfolio Class) (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 USD ($) contract | Dec. 31, 2015 USD ($) contract
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 47 | 7
Pre-Modification Outstanding Recorded Investment | $ 132,234 | $ 5,120
Post-Modification Outstanding Recorded Investment | $ 132,234 | $ 5,107
Total Commercial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 39 | 1
Pre-Modification Outstanding Recorded Investment | $ 128,597 | $ 4,420
Post-Modification Outstanding Recorded Investment | $ 128,597 | $ 4,420
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 1 | 1
Pre-Modification Outstanding Recorded Investment | $ 2,943 | $ 485
Post-Modification Outstanding Recorded Investment | $ 2,943 | $ 482
Residential Mortgages [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 7 | 4
Pre-Modification Outstanding Recorded Investment | $ 694 | $ 195
Post-Modification Outstanding Recorded Investment | $ 694 | $ 185
Consumer [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract |  | 1
Pre-Modification Outstanding Recorded Investment |  | $ 20
Post-Modification Outstanding Recorded Investment |  | $ 20
Total Commercial & Industrial [Member] | Total Commercial [Member] | Commercial Non-Real Estate [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 38 | 1
Pre-Modification Outstanding Recorded Investment | $ 128,449 | $ 4,420
Post-Modification Outstanding Recorded Investment | $ 128,449 | $ 4,420
Total Commercial & Industrial [Member] | Total Commercial [Member] | Commercial Real Estate - Owner Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 1 |
Pre-Modification Outstanding Recorded Investment | $ 148 |
Post-Modification Outstanding Recorded Investment | $ 148 |

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
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