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Borrowed Funds (Schedule Of Short-Term Borrowings) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Short-term Debt [Line Items]
Total short-term borrowings	$ 212,849	$ 192,318
Short-Term Borrowings [Member]
Short-term Debt [Line Items]
Securities sold under agreements to repurchase	212,849	183,295
Treasury tax and loan		9,023
Total short-term borrowings	$ 212,849	$ 192,318

The carrying value as of the balance sheet date of securities that an institution sells and agrees to repurchase (the identical or substantially the same securities) as a seller-borrower at a specified date for a specified price, also known as a repurchase agreement, or repo. Most repos involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances, and negotiable certificates of deposit, are sometimes used in repos.

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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