DEFERRED REVENUE (Summary Of Recognized Deferred Revenue) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
DEFERRED REVENUE [Abstract]
Amortization of deferred revenue	$ 1,384	$ 300	$ 3,725	$ 876
Purchaser's proceeds from sale of production	(4,322)	(1,014)	(11,404)	(2,911)
Decrease to total revenues and gross margin	$ (2,938)	$ (714)	$ (7,679)	$ (2,035)