NET INCOME PER LIMITED PARTNER UNIT (Formula for Distributing Available Cash in Partnership Agreement) (Details)	Apr. 27, 2017 $ / shares
Minimum Quarterly Distribution [Member]
Portion of Quarterly Distribution Per Unit, maximum (in dollars per share)	$ 0.295
Percentage Distributed to General Partner (in percentage)	2.00%
Percentage Distributed to Limited Partners (in percentage)	98.00%
First Target Distribution [Member]
Portion of Quarterly Distribution Per Unit, maximum (in dollars per share)	$ 0.35
Portion of Quarterly Distribution Per Unit, minimum (in dollars per share)	$ 0.295
Percentage Distributed to General Partner (in percentage)	15.00%
Percentage Distributed to Limited Partners (in percentage)	85.00%
Over First Target Distribution [Member]
Portion of Quarterly Distribution Per Unit, maximum (in dollars per share)	$ 0.35
Percentage Distributed to General Partner (in percentage)	25.00%
Percentage Distributed to Limited Partners (in percentage)	75.00%