CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical)	Sep. 30, 2011	Dec. 31, 2010
Partners' capital:
General partner, units issued (in units)	35,729	35,729
General partner, units outstanding (in units)	35,729	35,729
Limited Partners - Public Common [Member]
Partners' capital:
Limited partners, units issued (in units)	17,267,607	15,000,000
Limited partners, units outstanding (in units)	17,267,607	15,000,000
Limited Partners - Affiliated Common [Member]
Partners' capital:
Limited partners, units issued (in units)	11,297,737	11,297,737
Limited partners, units outstanding (in units)	11,297,737	11,297,737
Limited Partners - Affiliated Subordinated [Member]
Partners' capital:
Limited partners, units issued (in units)	7,145,866	7,145,866
Limited partners, units outstanding (in units)	7,145,866	7,145,866

The number of limited partner units outstanding.

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=6959260&loc=d3e187171-122770

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

-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

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section F

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 87-21

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Practice Bulletin (PB)

-Number 14

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Balance Type:	na
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