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AFS Securities (Narrative) (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2012
Method
Securities
Dec. 31, 2013
Available-for-sale Securities (Textual) [Abstract]    
Number of state issued student loan 1  
Number of method used for evaluation 2  
Other than temporary impairment loss recognized in earnings for the first quarter $ 282,000  
Additional OTTI   $ 0