FINANCIAL INSTRUMENTS AND FAIR VALUE - Gains And Losses Recognized On Derivative Financial Instruments (Details 2) (Not Designated as Hedging Instrument, Interest Expense, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Not Designated as Hedging Instrument | Interest Expense
Derivative [Line Items]
Periodic settlements		$ 38	$ 60	$ 111
Change in fair value		$ (38)	$ (57)	$ (98)