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Loans Loans (Analysis of Troubled Debt Restructurings) (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 USD ($) Modifications | Mar. 31, 2016 USD ($) Modifications | Dec. 31, 2016 USD ($)
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable Modifications Additional Commitment To Lend | $ 451 |  | $ 508
Loans, Excluding Purchased Credit Impaired Loans [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 13 | 8 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 1,902 | $ 2,117 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 1,902 | $ 2,117 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Secured Loans [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 3 | 3 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 356 | $ 1,370 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 356 | $ 1,370 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Owner Occupied [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 0 | 1 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 250 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 0 | $ 250 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 10 | 4 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 1,546 | $ 497 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 1,546 | $ 497 |

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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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