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Condensed Statement of Changes in Partners' Capital [Parenthetical]	6 Months Ended
	Jun. 30, 2015 shares
Addition of partnership units	3,750,000
Redemption of partnership units	950,000

X

- Definition

Units contributed by each class of partners during the year. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

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



-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://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 04



-Article 3

+ Details

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

X

- Definition

The number of units redeemed during the year of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

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



-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://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 04



-Paragraph 16



-Subparagraph a, b



-Article 6

+ Details

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