LOANS AND LEASES (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Allowance for Loan on Non-Covered Loans and Leases:
Balance at the beginning of the period	$ 93,783,000	$ 104,328,000	$ 124,278,000
Charge-offs	(13,070,000)	(28,560,000)	(203,222,000)
Recoveries	3,406,000	4,715,000	4,280,000
Provision	(12,000,000)	13,300,000	178,992,000
Balance at the end of the period	72,119,000	93,783,000	104,328,000
Charge-offs related to loans sold			144,600,000
Allowance for Loan Losses
Allowance for Loan on Non-Covered Loans and Leases:
Balance at the beginning of the period	85,313,000	98,653,000	118,717,000
Charge-offs	(13,070,000)	(28,560,000)	(203,222,000)
Recoveries	3,406,000	4,715,000	4,280,000
Provision	(9,750,000)	10,505,000	178,878,000
Balance at the end of the period	65,899,000	85,313,000	98,653,000
Reserve for Unfunded Loan Commitments
Allowance for Loan on Non-Covered Loans and Leases:
Balance at the beginning of the period	8,470,000	5,675,000	5,561,000
Provision	(2,250,000)	2,795,000	114,000
Balance at the end of the period	$ 6,220,000	$ 8,470,000	$ 5,675,000