ALLOWANCE FOR LOAN AND LEASE LOSSES - Allowance for Loan and Lease Losses on Covered Loans for the Current and Comparable Quarter and Year-to-Date (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Receivables [Abstract]
Balance at beginning of period	$ 32,961	$ 48,327	$ 45,190	$ 42,835
Provision for loan and lease losses	5,293	6,622	6,052	25,620
Loans charged-off	(21,009)	(9,058)	(35,374)	(24,339)
Recoveries	6,014	3,004	7,391	4,779
Balance at end of period	$ 23,259	$ 48,895	$ 23,259	$ 48,895