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Securities (Narrative) (Details)	Sep. 30, 2015 security
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	25
US Agency Obligations [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	18
Municipals [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	6
S&P Rated AAA [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	3
S&P Rated AA [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	22

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