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Derivative Instruments And Hedging Activities (Narrative) (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Jul. 29, 2015
Derivative [Line Items] |  |
Agreement related to the outstanding trust preferred capital notes, date | Dec. 04, 2008 |
Agreement effective, date | Dec. 01, 2008 |
Notional amount of derivatives | $ 7,000 |
Agreement expiration date | Dec. 01, 2016 |
Derivative, Fixed Interest Rate | 2.85% |
Other Liabilities [Member] |  |
Derivative [Line Items] |  |
Derivative Instruments in Hedges, Liabilities, at Fair Value |  | $ 237

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + 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 (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
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