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Securities (Gains (Losses) on the sales of debt securities and credit losses for OTTI of investments) (Details) (Debt Securities [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Debt Securities [Member]
     
Gain (Loss) on Investments [Line Items]      
Gross Realized Gains $ 1,826 $ 2,889 $ 983
Gross Realized (Losses) (1,162) (1,838) (633)
OTTI Credit Losses 0 (649) (324)
Net Gains $ 664 $ 402 $ 26