DERIVATIVE FINANCIAL INSTRUMENTS (Details 2) (Cash Flow Hedge Relationship, USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2011
Effect of derivatives in cash flow hedging relationships on the consolidated statement of income
Before -Tax (Loss) Recognized in OCI on Derivative (Effective Portion)		$ (41)
Before - Tax (Loss) Reclassified from AOCI into Income (Effective Portion)	(1,915)	(4,237)
Interest rate swap contracts
Effect of derivatives in cash flow hedging relationships on the consolidated statement of income
Before -Tax (Loss) Recognized in OCI on Derivative (Effective Portion)		(41)
Before - Tax (Loss) Reclassified from AOCI into Income (Effective Portion)	$ (1,915)	$ (4,237)