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Total Capital and Net Income Per Unit - Incentive Distributions (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2015 $ / shares
Level One [Member] | Minimum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Exceeded cash distribution per unit	$ 0.4125
Level Two [Member] | Maximum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Exceeded cash distribution per unit	0.4625
Level Three [Member] | Minimum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Exceeded cash distribution per unit	0.4625
Level Three [Member] | Maximum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Exceeded cash distribution per unit	0.5375
Level Four [Member] | Minimum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Exceeded cash distribution per unit	0.5375
Level Four [Member] | Maximum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Exceeded cash distribution per unit	0.6500
Level Five [Member] | Minimum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Exceeded cash distribution per unit	$ 0.6500

X

- Definition

Per-share or per-unit amount of incentive dividend declared and paid to managing member or general partner.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 72
-URI http://asc.fasb.org/extlink&oid=6926462&loc=SL5163672-159010

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 55
-Paragraph 103
-URI http://asc.fasb.org/extlink&oid=6926531&loc=SL5199526-159011

Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 73
-URI http://asc.fasb.org/extlink&oid=6926462&loc=SL5163674-159010

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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.

+ References

No definition available.

+ Details

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