SUBSEQUENT EVENTS (Details) $ / shares in Units, $ in Millions	Nov. 08, 2017 USD ($) a	Oct. 27, 2017 $ / shares	Oct. 09, 2017 USD ($) a	Jul. 28, 2017 $ / shares	May 02, 2017 $ / shares
Subsequent events
Cash distributions declared per limited partner unit (in dollars per unit) | $ / shares				$ 0.30	$ 0.23
Subsequent Event
Subsequent events
Cash distributions declared per limited partner unit (in dollars per unit) | $ / shares		$ 0.31
Gross acres acquired | a	71,410		8,460
Net Acres Land Acquired | a	2,757		983
Business Combination, Consideration Transferred | $	$ 7.3		$ 3.9