BANK PREMISES AND EQUIPMENT, NET (Textual) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Abstract]
Interest costs capitalized	$ 31,000	$ 23,000	$ 42,000
Depreciation and amortization	12,100,000	13,400,000	16,500,000
Operating leases, rent expense	11,500,000	13,000,000	14,500,000
Rental income, nonoperating	$ 4,100,000	$ 4,400,000	$ 5,300,000