NET INCOME PER LIMITED PARTNER UNIT (Formula for Distributing Available Cash in Partnership Agreement) (Details) - $ / shares	6 Months Ended	9 Months Ended
	Jun. 30, 2014	Sep. 30, 2015
Minimum Quarterly Distribution [Member]
Portion of Quarterly Distribution Per Unit, maximum (in dollars per share)	$ 0.295	$ 0.5435
Percentage Distributed to General Partner (in percentage)	2.00%	2.00%	[1]
Percentage Distributed to Limited partners (in percentage)	98.00%	98.00%
First Target Distribution [Member]
Portion of Quarterly Distribution Per Unit, minimum (in dollars per share)	$ 0.295	$ 0.5435
Portion of Quarterly Distribution Per Unit, maximum (in dollars per share)	$ 0.35
Percentage Distributed to General Partner (in percentage)	15.00%	25.00%	[1]
Percentage Distributed to Limited partners (in percentage)	85.00%	75.00%
Second Target Distribution [Member]
Portion of Quarterly Distribution Per Unit, minimum (in dollars per share)	$ 0.35
Portion of Quarterly Distribution Per Unit, maximum (in dollars per share)	$ 0.495
Percentage Distributed to General Partner (in percentage)	25.00%
Percentage Distributed to Limited partners (in percentage)	75.00%
Over Second Target Distribution [Member]
Portion of Quarterly Distribution Per Unit, minimum (in dollars per share)	$ 0.495
Percentage Distributed to General Partner (in percentage)	50.00%
Percentage Distributed to Limited partners (in percentage)	50.00%

[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.