ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period			$ (9,575)
Other comprehensive income (loss)	(706)	(1,282)	1,096	(4,012)
Balance at the end of the period	(8,479)		(8,479)
Gains and Losses on Cash Flow Hedges
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	(7,773)		(9,575)
Other comprehensive income before reclassifications	(700)		55
Amounts reclassified from accumulated other comprehensive income (loss)	(6)		1,041
Other comprehensive income (loss)	(706)		1,096
Balance at the end of the period	$ (8,479)		$ (8,479)