DERIVATIVES AND HEDGING ACTIVITIES (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives	$ 30,426	$ 25,576
Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Liability Derivatives	30,381	25,616
Interest rate swaps [Member] | Derivatives designated as hedges: [Member] | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives
Interest rate swaps [Member] | Derivatives designated as hedges: [Member] | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Liability Derivatives	16,189	18,263
Loan level swaps [Member] | Derivatives not designated as hedges: [Member] | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives	28,678	24,478
Loan level swaps [Member] | Derivatives not designated as hedges: [Member] | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Liability Derivatives	28,663	24,535
Foreign exchange contracts [Member] | Derivatives not designated as hedges: [Member] | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives	1,748	1,098
Foreign exchange contracts [Member] | Derivatives not designated as hedges: [Member] | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Liability Derivatives	$ 1,718	$ 1,081