PARTNERS' CAPITAL (Details) (USD $)	3 Months Ended					3 Months Ended	0 Months Ended		3 Months Ended		3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2014 Limited Partner item	Mar. 31, 2014 Class A	Jan. 03, 2012 Class A	Mar. 31, 2014 Class A	Aug. 20, 2007 Class A	Mar. 31, 2014 Class B	Mar. 31, 2014 General Partnership item
Number of classes of partners						2						1
Fixed distribution percentage of unit holders									80.00%		19.00%	1.00%
Forward split of depositary receipts								3
Exchange ratio of depositary receipts for partnership units before adjustment								10
Exchange ratio of depositary receipts for partnership units after adjustment								30
Number of units in each depository receipt								0.03333		0.1
Quarterly distribution per unit approved (in dollars per unit)							$ 7.50
Quarterly distribution per unit (in dollars per unit)		$ 7.50	$ 7.50	$ 7.50	$ 7.50
Quarterly distributions per depositary receipt (in dollars per share)		$ 0.25	$ 0.25	$ 0.25	$ 0.25		$ 0.25		$ 0.25
Distribution per unit (in dollars per unit)			$ 30.00
Earnings per depository receipt
Income (loss) per Depositary Receipt before Discontinued Operations (in dollars per share)	$ (0.01)	$ 0.23
Net Income (loss) per Depositary Receipt after Discontinued Operations (in dollars per share)	$ (0.01)	$ 0.23
Distributions per Depositary Receipt (in dollars per share)	$ 0.25	$ 0.25	$ 1.00