NET INCOME PER LIMITED PARTNER UNIT (Formula for Distributing Available Cash in Partnership Agreement) (Details)	3 Months Ended
	Mar. 31, 2016 $ / shares
Minimum Quarterly Distribution [Member]
Portion of Quarterly Distribution Per Unit, maximum (in dollars per share)	$ 0.5435
Percentage Distributed to General Partner (in percentage)	2.00%	[1]
Percentage Distributed to Limited partners (in percentage)	98.00%
First Target Distribution [Member]
Portion of Quarterly Distribution Per Unit, minimum (in dollars per share)	$ 0.5435
Percentage Distributed to General Partner (in percentage)	25.00%	[1]
Percentage Distributed to Limited partners (in percentage)	75.00%

[1] For distributions in excess of the Minimum Quarterly Distribution, this percentage includes both the General Partner's distributions of 2% and the distribution to the Incentive Distribution Unit holder, a wholly-owned subsidiary of our General Partner.