LOANS (covered) - Additional Information (Details) (Covered Loans, USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Loans Accounted for Under FASB ASC Topic 310-30	Dec. 31, 2013 Loans Accounted for Under FASB ASC Topic 310-30
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding balance including contractual principal, interest, fees, and penalties			$ 452,700,000	$ 493,600,000
Reclassification from non-accretable difference	$ 13,216,000	$ 7,751,000
Loans, Federal Deposit Insurance Corporation Reimbursement Percentage on Losses Below Threshold	80.00%
Loans, Federal Deposit Insurance Corporation Reimbursement Percentage on Losses Above Threshold	95.00%