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Balances at Other Banks	12 Months Ended
Balances at Other Banks	Dec. 31, 2011
Balances at Other Banks [Abstract]
Balances at Other Banks	(2) Balances at Other Banks The Company is required to maintain certain reserves of vault cash and/or deposits with the Federal Reserve Bank. The amount of this reserve requirement, included in cash and due from banks and federal funds sold and other short term investments, was approximately $67.1 million and $60.7 million at December 31, 2011 and 2010, respectively.

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.

+ References

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