Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale and Other Securities (Details Textuals)

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Available-for-Sale and Other Securities (Details Textuals) (USD $)
Mar. 31, 2014
Dec. 31, 2013
Investment Securities (Textuals)    
Stock issued by Federal Reserve Banks included in other securities $ 166,100,000 $ 155,400,000
Pledged investment securities to secure public and trust deposits, trading account liabilities, US Treasury demand notes and security repurchase agreements 3,700,000,000  
Federal Home Loan Bank of Cincinnati [Member]
   
Investment Securities (Textuals)    
Stock issued by the Federal Home Loan Bank included in other securities 157,000,000 165,600,000
Federal Home Loan Bank of Indianapolis [Member]
   
Investment Securities (Textuals)    
Stock issued by the Federal Home Loan Bank included in other securities $ 0 $ 0