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LONG-TERM DEBT - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Debt Disclosure [Line Items]
Repurchase agreements with a one-time call feature at the time of execution	$ 65,000	$ 65,000
Weighted average rate on repurchase agreements	3.50%	3.50%
FHLB long-term advances	$ 10,745	$ 11,544
Minimum
Debt Disclosure [Line Items]
Remaining maturities on repurchase agreements (in years)	1
Maximum
Debt Disclosure [Line Items]
Remaining maturities on repurchase agreements (in years)	4

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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- Definition

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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