NET INCOME (LOSS) PER UNIT (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

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

Unit amounts used in the computation of basic and diluted net income per unit were as follows:

	Year Ended December 31,
	2013	2012	2011
Basic units outstanding:
Weighted-average number of basic units outstanding	42,619,722	42,576,858	42,546,096
Diluted units outstanding:
Weighted-average number of basic units outstanding	42,619,722	42,576,858	42,546,096
Effect of dilutive securities	—	7,809	26,521
Weighted-average number of diluted units outstanding	42,619,722	42,584,667	42,572,617