LOANS (excluding covered loans) - Additional Information (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Restructured Loans, Nonaccrual Status	$ 13,000,000		$ 13,000,000			$ 14,100,000
Gain (loss) on sale of other real estate owned	(184,000)	(1,372,000)	(902,000)	(2,681,000)
Non Covered Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Restructured Loans, Nonaccrual Status	13,000,000		13,000,000			14,100,000
Real Estate Acquired Through Foreclosure	11,804,000	13,912,000	11,804,000	13,912,000	11,798,000	12,526,000	15,688,000	11,317,000
Write-downs	$ 213,000	$ 1,099,000	$ 1,104,000	$ 2,367,000