NET INCOME (LOSS) PER UNIT Table (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Basic and diluted units outstanding:
Weighted-average number of basic units outstanding	42,619,722	42,576,858	42,546,096
Effect of dilutive securities	0	7,809	26,521
Weighted-average number of diluted units outstanding	42,619,722	42,584,667	42,572,617