ALLOWANCE FOR LOAN AND LEASE LOSSES - Additional Information (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Net charge-offs	$ (2,300,000)	$ 4,300,000	$ 3,900,000	$ 13,000,000
Provision for loan and lease losses	(413,000)	(8,283,000)	(2,605,000)	759,000
Allowance for covered loan losses	12,425,000	32,961,000	12,425,000	32,961,000	10,573,000	18,901,000	45,496,000	45,190,000
Loss sharing expense	1,465,000	1,578,000	3,034,000	3,864,000
Gains Losses on Sales of Covered Other Real Estate	(398,000)	2,212,000	(431,000)	2,369,000
FDIC loss sharing income	$ 1,108,000	$ (7,384,000)	$ 600,000	$ 1,550,000