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Acquisition (Details 1) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Business Acquisition [Line Items] |  |
Total interest income | $ 29,055 | $ 31,661
Net earnings | $ 6,537 | $ 8,038
Earnings per share: |  |
Basic | $ 1.92 | $ 2.38
Diluted | $ 1.89 | $ 2.35

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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
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