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Total Capital and Net Income Per Unit - Additional Information (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015
Capital Unit [Line Items]
Days after year-end where limited partner's have right to receive cash distribution	45 days
Minimum percentage of holding by unitholders to remove general partner	66.67%
Minimum [Member] | Common Stock [Member]
Capital Unit [Line Items]
Cash distribution per unit		$ 0.4625
Maximum [Member] | Common Stock [Member]
Capital Unit [Line Items]
Cash distribution per unit	$ 0.4625

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- Definition

Limited Partner Rights To Receive Cash Term Period

+ References

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- Definition

Minimum percentage of holding by unitholders to remove general partner.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The distribution amount per share for all classes of units.

+ 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 FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

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