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Equity - Incentive Distribution Rights (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Equity [Abstract]
General partner's ownership interest (as percent)	2.00%	2.00%	2.00%	2.00%
Minimum quarterly distribution [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Target Quarterly Distribution per Unit (in dollars per share)			$ 0.37500
Minimum quarterly distribution [Member] | Limited Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			98.00%
Minimum quarterly distribution [Member] | General Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			2.00%
First target distribution [Member] | Minimum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Target Quarterly Distribution per Unit (in dollars per share)			$ 0.37500
First target distribution [Member] | Maximum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Target Quarterly Distribution per Unit (in dollars per share)			$ 0.43125
First target distribution [Member] | Limited Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			98.00%
First target distribution [Member] | General Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			2.00%
Second target distribution [Member] | Minimum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Target Quarterly Distribution per Unit (in dollars per share)			$ 0.43125
Second target distribution [Member] | Maximum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Target Quarterly Distribution per Unit (in dollars per share)			$ 0.46875
Second target distribution [Member] | Limited Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			85.00%
Second target distribution [Member] | General Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			15.00%
Third target distribution [Member] | Minimum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Target Quarterly Distribution per Unit (in dollars per share)			$ 0.46875
Third target distribution [Member] | Maximum [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Target Quarterly Distribution per Unit (in dollars per share)			$ 0.56250
Third target distribution [Member] | Limited Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			75.00%
Third target distribution [Member] | General Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			25.00%
Thereafter [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Target Quarterly Distribution per Unit (in dollars per share)			$ 0.56250
Thereafter [Member] | Limited Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			50.00%
Thereafter [Member] | General Partner [Member]
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal Percentage Interest in Distributions (as percent)			50.00%

X

- Definition

Total quarterly distribution payment target amount

+ References

No definition available.

+ Details

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X

- Definition

Percentage split between the limited partners' and general partner's interests in distributions.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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X

- 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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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

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

+ Details

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- Details

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- Details

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