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Comprehensive Income/Loss (Details Textual) (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Sep. 30, 2009
Comprehensive Income (Textual) [Abstract]      
Total credit related OTTI losses recognized in earnings        
Gain on sales of securities 91,000     
Gain on interest rate swaps $ 678,000 $ 823,000 $ 1,400,000