Fair Value (Fair Value On A Recurring Basis) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013
Fair Value [Abstract]
Percentage Of Portfolio In Residential Mortgage Backed Securities	54.00%
Residential Mortgage Backed Securities Guaranteed By Government National Mortgage Association Or Federal National Mortgage Association Or Federal Home Loan Mortgage Corporation	$ 42.4