LOANS AND LEASES (Details 11) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 29, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Allowance for Loan on Covered Loans:
Allowance for credit losses on covered loans, beginning of year				$ 31,275					$ 31,275
Provision (negative provision)	(4,333)	(2,141)	(271)	(6,074)	4,122	348	11,390	10,710	(12,819)	26,570	212,492
Charge-offs, net									(13,070)	(28,560)
Allowance for credit losses on covered loans, end of year	26,069				31,275				26,069	31,275
Covered loans
Allowance for Loan on Covered Loans:
Allowance for credit losses on covered loans, beginning of year				31,275				33,264	31,275	33,264	18,000
Provision (negative provision)									(819)	13,270	33,500
Charge-offs, net									(4,387)	(15,259)	(18,236)
Allowance for credit losses on covered loans, end of year	$ 26,069				$ 31,275				$ 26,069	$ 31,275	$ 33,264