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Income Taxes (Reconciliation Of Unrecognized Tax Benefits Table) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Income Tax Contingency [Line Items] |  |
Unrecognized tax benefits at beginning of period | $ 582 | $ 1,013
Increases based on tax positions for prior periods | 37 | 147
Decreases related to settlements with taxing authorities |  | (578)
Balance at end of period | 619 | 582
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 619 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | $ 464 | $ 443
Internal Revenue Service (IRS) [Member] |  |
Income Tax Contingency [Line Items] |  |
Open Tax Year | 2013 |
State and Local Jurisdiction [Member] |  |
Income Tax Contingency [Line Items] |  |
Open Tax Year | 2012 |

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- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319 + Details
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