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Loans Loans (Analysis of Troubled Debt Restructurings) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 USD ($) Modifications contract | Sep. 30, 2017 USD ($) Modifications contract | Sep. 30, 2018 USD ($) Modifications contract | Sep. 30, 2017 USD ($) Modifications contract | Dec. 31, 2017 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 | $ 9,700 |  | $ 9,700 |  | $ 10,000
Financing Receivable Modifications Additional Commitment To Lend | $ 16,200 |  | $ 16,200 |  | $ 506
Loans, Excluding Purchased Credit Impaired Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 4 | 24 | 28 | 48 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 14,634 | $ 7,961 | $ 21,036 | $ 12,482 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 14,634 | $ 7,961 | $ 21,036 | $ 12,482 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Secured Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 1 | 2 | 9 | 7 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 14,511 | $ 808 | $ 17,605 | $ 2,586 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 14,511 | $ 808 | $ 17,605 | $ 2,586 |
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 | 0 | 2 | 0 | 3 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 201 | $ 0 | $ 583 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 0 | $ 201 | $ 0 | $ 583 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Income Property Multifamily [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 0 | 1 | 1 | 1 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 1,152 | $ 891 | $ 1,152 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 0 | $ 1,152 | $ 891 | $ 1,152 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Owner Occupied [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 0 | 1 | 0 | 1 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 78 | $ 0 | $ 78 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 0 | $ 78 | $ 0 | $ 78 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Owner Occupied Construction [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 0 | 1 | 0 | 1 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 4,050 | $ 0 | $ 4,050 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 0 | $ 4,050 | $ 0 | $ 4,050 |
Loans, Excluding Purchased Credit Impaired Loans [Member] | Consumer Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | Modifications | 3 | 17 | 18 | 35 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 123 | $ 1,672 | $ 2,540 | $ 4,033 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 123 | $ 1,672 | $ 2,540 | $ 4,033 |

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