Transactions with General Partner and Its Affiliates - Security Ownership of Partnership's Principal Executive Officer (Detail) (Limited Partners [Member])	3 Months Ended
Mar. 31, 2015
Limited Partners [Member]
Related Party Transaction [Line Items]
Name of Beneficial Owner	Bruce A. Provo
Amount and Nature of Beneficial Ownership	200
Percentage of Class Outstanding	0.43%

The number of units or equivalent units outstanding for all classes.

Reference 1: 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

Reference 2: 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

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