Condensed Consolidated Statements of Partners’ Capital (Unaudited) (Parentheticals) (Limited Partner [Member], USD $) Share data in Thousands, unless otherwise specified	3 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Class A limited partner units, units	3,600	3,600
Class A limited partner units, fees	$ 300,000	$ 300,000

Total units issued during the year due to the sale of units. All partners include general, limited and preferred partners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration