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Loans Loans (Analysis of Troubled Debt Restructurings) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 USD ($) Modifications contract | Sep. 30, 2016 USD ($) Modifications contract | Sep. 30, 2017 USD ($) Modifications contract | Sep. 30, 2016 USD ($) Modifications contract | Dec. 31, 2016 USD ($)
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | contract | 0 | 0 | 0 | 0 |
Loans and Leases Receivable, Related Parties | $ 10,100 |  | $ 10,100 |  | $ 10,100
Financing Receivable Modifications Additional Commitment To Lend | $ 529 |  | $ 529 |  | $ 508
Loans, Excluding Purchased Credit Impaired Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 24 | 13 | 48 | 38 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 7,961 | $ 906 | $ 12,482 | $ 5,560 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 7,961 | $ 906 | $ 12,482 | $ 5,560 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Secured Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 2 | 2 | 7 | 7 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 808 | $ 90 | $ 2,586 | $ 1,753 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 808 | $ 90 | $ 2,586 | $ 1,753 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | One-to-Four Family Residential [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 2 | 1 | 3 | 2 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 201 | $ 85 | $ 583 | $ 115 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 201 | $ 85 | $ 583 | $ 115 |
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 | 1 | 0 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 1,152 | $ 0 | $ 1,152 | $ 0 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 1,152 | $ 0 | $ 1,152 | $ 0 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Owner Occupied [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 1 | 0 | 1 | 1 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 78 | $ 0 | $ 78 | $ 250 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 78 | $ 0 | $ 78 | $ 250 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Owner Occupied Construction [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 1 | 0 | 1 | 0 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 4,050 | $ 0 | $ 4,050 | $ 0 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 4,050 | $ 0 | $ 4,050 | $ 0 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Consumer Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 17 | 10 | 35 | 28 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 1,672 | $ 731 | $ 4,033 | $ 3,442 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 1,672 | $ 731 | $ 4,033 | $ 3,442 |

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