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Investments (Narrative) (Details)	Sep. 30, 2013 security
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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