PARTNERS' CAPITAL (Details)		2 Months Ended	3 Months Ended								12 Months Ended
	Jan. 03, 2012	Mar. 11, 2016 $ / item	Dec. 31, 2015 $ / item	Sep. 30, 2015 $ / item	Jun. 30, 2015 $ / item	Mar. 31, 2015 $ / item	Dec. 31, 2014 $ / shares $ / item	Sep. 30, 2014 $ / item	Jun. 30, 2014 $ / item	Mar. 31, 2014 $ / item	Dec. 31, 2015 item $ / item	Dec. 31, 2014 $ / shares $ / item	Aug. 20, 2007
Earnings per depository receipt
Net Income per Depositary Receipt (in dollars per receipt)			0.32	0.28	0.29	0.11	0.15	0.05	0.07	(0.01)	1.00	0.27
Limited Partner
Number of classes of partners | item											2
General Partnership
Number of classes of partners | item											1
Fixed distribution percentage of unit holders											1.00%
Class A
Fixed distribution percentage of unit holders											80.00%
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									7.50	7.50
Quarterly distributions per depositary receipt (in dollars per receipt)		0.25	0.25				0.25				0.25	0.25
Distribution per unit (in dollars per unit) | $ / shares							$ 30.00					$ 30.00
Earnings per depository receipt
Net Income per Depositary Receipt (in dollars per receipt)											1.00	0.27
Distributions per Depositary Receipt (in dollars per share)			1.00				1.00				1.00	1.00
Class B
Fixed distribution percentage of unit holders											19.00%