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Investments (Narrative) (Details) | Sep. 30, 2013 security
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Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |
Securities evaluated for other than temporary impairment | 42
US Agency Obligations [Member] |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |
Securities evaluated for other than temporary impairment | 17
Municipals [Member] |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |
Securities evaluated for other than temporary impairment | 22
US Corporation [Member] |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |
Securities evaluated for other than temporary impairment | 3
S&P Rated AAA [Member] |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |
Securities evaluated for other than temporary impairment | 11
S&P Rated AA [Member] |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |
Securities evaluated for other than temporary impairment | 30
S&P Rated A [Member] |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |
Securities evaluated for other than temporary impairment | 1

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