DERIVATIVE FINANCIAL INSTRUMENTS AND BALANCE SHEET OFFSETTING (Details 2) (USD $)	12 Months Ended							12 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Counterparties assets	Dec. 31, 2012 Counterparties assets	Dec. 31, 2013 Receive-fixed, Pay-variable Interest Rate Swaps item	Dec. 31, 2012 Receive-fixed, Pay-variable Interest Rate Swaps item	Dec. 31, 2013 Receive-fixed pay-variable interest rate swap - steepeners item	Dec. 31, 2013 Equity swap agreements	Dec. 31, 2007 Equity swap agreements item	Dec. 31, 2013 Foreign exchange options	Dec. 31, 2012 Foreign exchange options	Dec. 31, 2013 Interest rate swaps	Dec. 31, 2012 Interest rate swaps	Dec. 31, 2013 Short-term foreign exchange contracts	Dec. 31, 2012 Short-term foreign exchange contracts	Dec. 31, 2013 Short-term foreign exchange contracts Counterparties assets	Dec. 31, 2012 Short-term foreign exchange contracts Counterparties assets	Dec. 31, 2013 Long-term foreign exchange contracts
Derivative
Number of instruments entered into during the period					3	2	2		2
Number of hedged certificates of deposit					3	2	2
Notional amount														$ 426,000,000	$ 112,500,000			$ 14,800,000
Total notional amount of hedged interest rate swaps entered into during the period	85,000,000					50,000,000
Total certificates of deposit hedged by total derivatives entered into during the period	85,000,000					50,000,000
Net reduction recognized in expense related to hedge ineffectiveness	632,000	3,600,000
Net reduction to interest expense related to net settlements of derivatives	2,100,000	3,700,000
Term of contract								5 years		5 years
Collateral delivered by the entity in the form of securities to counterparty institutions											940,000
Notional amount of derivative assets												1,920,000,000	1,190,000,000
Notional amount of derivative liabilities												1,920,000,000	1,190,000,000
Fair value of derivative asset			16,043,000	992,000										6,000,000	896,000	1,500,000	495,000	200,000
Fair value of derivative liability														$ 3,200,000	$ 688,000			$ 183,000