Available-for-Sale and Other Securities (Details Textuals) (USD $)	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010
Investment Securities (Textuals)
Fair Value, Total	$ 231,919,000	$ 284,608,000
Stock issued by the Federal Home Loan Bank of Cincinnati included in other securities	165,600,000		165,600,000
Stock issued by Federal Reserve Banks included in other securities	115,400,000	105,700,000	98,900,000
Federal Home Loan Bank of Cincinnati [Member]
Investment Securities (Textuals)
Stock issued by the Federal Home Loan Bank of Cincinnati included in other securities		165,600,000
Federal Home Loan Bank of Indianapolis [Member]
Investment Securities (Textuals)
Stock issued by the Federal Home Loan Bank of Cincinnati included in other securities	29,300,000	37,400,000	45,700,000
Automobile Asset Backed securities [Member]
Investment Securities (Textuals)
Fair Value, Total	$ 956,058,000	$ 1,207,122,000	$ 1,177,624,000

For an unclassified balance sheet, total of debt securities categorized neither as held-to-maturity nor trading.

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+ Details