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Fair Value (Schedule Of Fair Value Changes In Level 3) (Details) (Commercial Mortgage Backed Securities [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Commercial Mortgage Backed Securities [Member]
       
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Balance, beginning of year $ 1,594    $ 4,463   
Payoffs (75)    (815)   
Principal paydowns (219)    (2,301)   
Total net gains included in: Other comprehensive income 8    (39)   
Balance, end of year $ 1,308    $ 1,308