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Summary of Accounting Policies Stock Dividend (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Jun. 30, 2015
Summary Of Accounting Policies [Line Items] |  |
Stock Split in Form of Stock Dividend Adjustment to Retained Earnings | $ 9 |
Common Stock, Par or Stated Value Per Share | $ 0.4867 | $ 0.4867
Common Stock [Member] |  |
Summary Of Accounting Policies [Line Items] |  |
Stock Split in Form of Stock Dividend Adjustment to Retained Earnings | $ (2,365) |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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