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Fair Value (Financial Instruments Measured At Fair Value On A Non-Recurring Basis) (Details) - Financial instruments measured at fair value on a non-recurring basis [Member] - Comparable Sales Approach [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Commercial [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value | $ 130 | $ 143
Valuation Technique(s) | Comparable sales approach |
Unobservable Inputs | Adjustment for differences between the comparable market transactions |
Commercial [Member] | Weighted Average [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average | 3.48% | 1.10%
Single-Family Mortgage Loans [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value | $ 122 | $ 128
Valuation Technique(s) | Comparable sales approach |
Unobservable Inputs | Adjustment for differences between the comparable market transactions |
Single-Family Mortgage Loans [Member] | Minimum [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average | 1.81% | (1.23%)
Single-Family Mortgage Loans [Member] | Maximum [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average | 3.61% | 4.63%
Single-Family Mortgage Loans [Member] | Weighted Average [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average | 2.91% | (0.17%)
Multi-Family Mortgage Loans [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value | $ 37 | $ 45
Valuation Technique(s) | Comparable sales approach |
Unobservable Inputs | Adjustment for differences between the comparable market transactions |
Multi-Family Mortgage Loans [Member] | Weighted Average [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average | 9.64% | 5.74%
Real Estate, Commercial, Non-Owner Occupied [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value | $ 2,161 | $ 2,215
Valuation Technique(s) | Comparable sales approach |
Unobservable Inputs | Adjustment for differences between the comparable market transactions |
Real Estate, Commercial, Non-Owner Occupied [Member] | Minimum [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average | 1.10% | 1.10%
Real Estate, Commercial, Non-Owner Occupied [Member] | Maximum [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average | 5.74% | 5.74%
Real Estate, Commercial, Non-Owner Occupied [Member] | Weighted Average [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average | 1.35% | 1.35%
Real Estate, Commercial, Owner Occupied [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value | $ 200 | $ 213
Valuation Technique(s) | Comparable sales approach |
Unobservable Inputs | Adjustment for differences between the comparable market transactions |
Real Estate, Commercial, Owner Occupied [Member] | Weighted Average [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average | (4.46%) | (29.30%)
Real Estate, Commercial, Land [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value |  | $ 245
Real Estate, Commercial, Land [Member] | Minimum [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average |  | (1.89%)
Real Estate, Commercial, Land [Member] | Maximum [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average |  | 2.54%
Real Estate, Commercial, Land [Member] | Weighted Average [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
(Range) Weighted Average |  | 0.08%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of adjustment to the observed price for a similar asset or liability when an identical transaction does not exist, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Description of significant assumptions used by management to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611 + Details
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- Definition Description of the inputs and valuation technique(s) used to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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