PARTNERS' CAPITAL (Details) (USD $)	9 Months Ended		12 Months Ended						9 Months Ended	0 Months Ended	9 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 31, 2012	Jun. 30, 2012	Mar. 31, 2012	Sep. 30, 2013 Limited Partner item	Jan. 03, 2012 Class A	Sep. 30, 2013 Class A	Aug. 20, 2007 Class A	Sep. 30, 2013 Class B	Sep. 30, 2013 General Partnership item
Number of classes of limited 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 distributions per depositary receipt approved (in dollars per share)			$ 0.25
Quarterly distribution per unit (in dollars per unit)	$ 7.50	$ 7.50		$ 7.50	$ 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	$ 0.25
Distribution per unit (in dollars per unit)						$ 30.00
Earnings per depository receipt
Income per Depositary Receipt before Discontinued Operations (in dollars per share)	$ 0.42	$ 0.61
Income from Discontinued Operations (in dollars per share)	$ 0.95	$ 0.01
Net Income (loss) per Depositary Receipt after Discontinued Operations (in dollars per share)	$ 1.37	$ 0.62
Distributions per Depositary Receipt (in dollars per share)	$ 0.75	$ 0.75				$ 1.00