NET INCOME (LOSS) PER UNIT (Tables)

3 Months Ended

Mar. 31, 2013

NET INCOME (LOSS) PER UNIT [Abstract]

Unit amounts used in the computation of basic and diluted net (loss) income per unit

	Three Months Ended March 31,
	2013	2012
Basic units outstanding:
Weighted-average number of basic units outstanding	42,605,668	42,574,419
Diluted units outstanding:
Weighted-average number of basic units outstanding	42,605,668	42,574,419
Effect of dilutive securities	—	23,222
Weighted-average number of diluted units outstanding	42,605,668	42,597,641