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Loans Loans (Analysis of Troubled Debt Restructurings) (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 USD ($) Modifications contract | Mar. 31, 2017 USD ($) Modifications contract | Dec. 31, 2017 USD ($)
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | contract | 0 | 0 |
Loans and Leases Receivable, Related Parties | $ 9,900 |  | $ 10,000
Financing Receivable Modifications Additional Commitment To Lend | $ 121 |  | $ 506
Loans, Excluding Purchased Credit Impaired Loans [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 9 | 13 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 2,484 | $ 1,902 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 2,484 | $ 1,902 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Secured Loans [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 1 | 3 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 450 | $ 356 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 450 | $ 356 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Income Property Multifamily [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 1 | 0 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 891 | $ 0 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 891 | $ 0 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 7 | 10 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 1,143 | $ 1,546 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 1,143 | $ 1,546 |

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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=84173941&loc=SL6953676-111524 + Details
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