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3) Investments (Details) (USD $) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012
Details |  |  |
Average market value over amortized cost | 95.10% |  | 92.60%
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease) | $ 90,000 | $ 135,000 |

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- Definition The change during the reporting period in the cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27340-111563 + Details
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