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Fair Value (Narrative) (Details) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Fair Value Disclosures [Abstract]    
Fair value measurements with unobservable inputs, percent of total financial assets 5.00%  
Percent of level 3 portfolio priced using non-binding broker quotes 98.00% 98.00%
Percent of level 3 portfolio priced using internal model pricing 2.00% 2.00%
Assets, level 1 to level 2 transfers $ 0 $ 0
Assets, level 2 to level 1 transfers 0 0
Liabilities, level 1 to level 2 transfers 0 0
Liabilities, level 2 to level 1 transfers $ 0 $ 0