PREMISES AND EQUIPMENT (Details) (USD $)			9 Months Ended
Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Furniture, fixtures and equipment	Sep. 30, 2012 Office Equipment	Sep. 30, 2012 Building and Building Improvements
Premises and equipment disclosures
Premises and equipment, gross	$ 181,100,000	$ 178,600,000
Accumulated depreciation and amortization	66,500,000	59,700,000
Premises and equipment, net	$ 114,627,000	$ 118,926,000
Estimated useful life			7 years	5 years	25 years

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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