Condensed Consolidated Balance Sheets (Parentheticals) (Unaudited) - shares	Jun. 30, 2018	Dec. 31, 2017
CONSOLIDATED BALANCE SHEETS [Abstract]
Common units issued	167,589,764	147,797,720
Common units outstanding	167,589,764	147,797,720
General Partners, units issued	3,420,203	3,016,284
General Partners, units outstanding	3,420,203	3,016,284

The number of limited partner units outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

Name:	us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant