FINANCIAL INSTRUMENTS AND FAIR VALUE - Roll Forward Of Notional Value (Details) (Interest Rate Swap, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Interest Rate Swap
Derivative [Line Items]
Balance, beginning of the period		$ 9,333	$ 7,667	$ 11,000
New contracts
Matured contracts		(833)	(7,667)	(2,500)
Balance, end of the period		$ 8,500		$ 8,500