DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 3) (Cash Flow Hedges, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Effect of the Company's derivative financial instruments on the income statement
Amount of Gain (Loss) Recognized in OCI	$ (1,466)	$ (1,834)	$ (4,627)	$ (2,582)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Earnings	(512)	(205)	(1,512)	(316)
Interest Rate Swaps
Effect of the Company's derivative financial instruments on the income statement
Amount of Gain (Loss) Recognized in OCI	(1,466)	(1,834)	(4,627)	(2,582)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Earnings	$ (512)	$ (205)	$ (1,512)	$ (316)