SUBSEQUENT EVENTS (Details) (USD $) Share data in Thousands, unless otherwise specified			0 Months Ended
Sep. 30, 2012	Dec. 31, 2011	Oct. 19, 2012 Subsequent events Beacon Federal item	Sep. 30, 2012 Subsequent events Beacon Federal
Subsequent events
Number of banking offices operated			7
Number of shares of common stock issued to acquiree's shareholders			2,700
Cash consideration paid			$ 60,000,000
Carrying value of assets	4,634,234,000	3,991,204,000	822,700,000
Carrying value of loans outstanding	3,385,302,000	2,924,126,000	697,600,000
Carrying value of deposits	3,449,808,000	3,101,175,000	622,200,000
Merger and acquisition expenses incurred				$ 700,000

Represents the number of banking offices operated by the acquiree.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of cash paid to acquire the entity.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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Number of shares of equity interests issued or issuable to acquire entity.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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