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Credit Quality and Nonperforming Assets (Troubled Debt Restructurings including any Subsequent Defaults) (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($)
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Pre-Modification Outstanding Recorded Investment |  | $ 1,999 | $ 1,105 | $ 2,581 | $ 1,464
Post-Modification Outstanding Recorded Investment |  | 1,999 | 1,105 | 2,581 | 1,464
Reserve Difference | [1] | 76 | 148 | 75 | 133
Reserve |  | 169 | $ 176 | 188 | $ 251
One to Four Family [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Recorded Investment |  | $ 806 |  | $ 806 |
Commercial And Industrial Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  | 0 | 1 | 0 | 3
Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 25 | $ 0 | $ 68
Post-Modification Outstanding Recorded Investment |  | 0 | 25 | 0 | 68
Reserve Difference | [1] | 0 | 0 | 0 | (19)
Reserve |  | $ 0 | $ 11 | $ 0 | $ 23
Consumer loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  | 1 | 0 | 3 | 0
Pre-Modification Outstanding Recorded Investment |  | $ 10 | $ 0 | $ 80 | $ 0
Post-Modification Outstanding Recorded Investment |  | 10 | 0 | 80 | 0
Reserve Difference | [1] | 0 | 0 | 0 | 0
Reserve |  | 1 | 0 | 6 | 0
Real Estate Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Pre-Modification Outstanding Recorded Investment |  | 1,989 | 1,080 | 2,501 | 1,396
Post-Modification Outstanding Recorded Investment |  | 1,989 | 1,080 | 2,501 | 1,396
Reserve Difference | [1] | 76 | 148 | 75 | 152
Reserve |  | $ 168 | $ 165 | $ 182 | $ 228
Real Estate Loans [Member] | One to Four Family [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  | 5 | 2 | 5 | 2
Pre-Modification Outstanding Recorded Investment |  | $ 806 | $ 226 | $ 806 | $ 226
Post-Modification Outstanding Recorded Investment |  | 806 | 226 | 806 | 226
Reserve Difference | [1] | 75 | 6 | 75 | 6
Reserve |  | $ 139 | $ 7 | $ 139 | $ 7
Real Estate Loans [Member] | Equity Line Of Credit [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  | 8 | 5 | 10 | 7
Pre-Modification Outstanding Recorded Investment |  | $ 1,051 | $ 436 | $ 1,280 | $ 641
Post-Modification Outstanding Recorded Investment |  | 1,051 | 436 | 1,280 | 641
Reserve Difference | [1] | 1 | 142 | 0 | 142
Reserve |  | $ 22 | $ 157 | $ 30 | $ 218
Real Estate Loans [Member] | Commercial Real Estate Owner Occupied [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  | 0 | 0 | 1 | 0
Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 0 | $ 266 | $ 0
Post-Modification Outstanding Recorded Investment |  | 0 | 0 | 266 | 0
Reserve Difference | [1] | 0 | 0 | 0 | 0
Reserve |  | $ 0 | $ 0 | $ 4 | $ 0
Real Estate Loans [Member] | Multifamily [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  | 1 | 1 | 1 | 1
Pre-Modification Outstanding Recorded Investment |  | $ 132 | $ 418 | $ 132 | $ 418
Post-Modification Outstanding Recorded Investment |  | 132 | 418 | 132 | 418
Reserve Difference | [1] | 0 | 0 | 0 | 0
Reserve |  | $ 7 | $ 1 | $ 7 | $ 1
Other construction/Land [Member] | Real Estate Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans |  | 0 | 0 | 1 | 2
Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 0 | $ 17 | $ 111
Post-Modification Outstanding Recorded Investment |  | 0 | 0 | 17 | 111
Reserve Difference | [1] | 0 | 0 | 0 | 4
Reserve |  | $ 0 | $ 0 | $ 2 | $ 2
[1] | This represents the change in the ALLL reserve for these credits measured as the difference between the specific post-modification impairment reserve and the pre-modification reserve calculated under our general allowance for loan loss methodology.

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