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Borrowed Funds (Schedule of Short-Term Borrowings) (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Short-term Debt [Line Items] |  |
Average amount outstanding during the quarter | $ 769 | $ 182
Maximum amount outstanding at any month end in the quarter | 0 | 5,125
Amount outstanding at quarter end | $ 0 | $ 107
For The Quarter [Member] |  |
Short-term Debt [Line Items] |  |
Average interest rate | 0.37% | 1.15%
At Quarter End [Member] |  |
Short-term Debt [Line Items] |  |
Average interest rate | 0.00% | 4.75%

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- Definition For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, maximum month-end borrowings during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Industry Guide -Number 3 -Section VII -Subsection 2 + Details
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- Definition Weighted average interest rate of short-term debt outstanding. + 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 210.5-02.19(b)) -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 19 -Subparagraph b -Article 5 + Details
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