Partners' Capital - Incentive Distribution Rights (Details) - General Partner	3 Months Ended
Mar. 31, 2018
Minimum
Incentive Distribution Rights
Quarterly distribution of operating surplus (as a percent)	15.00%
Maximum
Incentive Distribution Rights
Quarterly distribution of operating surplus (as a percent)	50.00%

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.

No definition available.

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Period Type:	duration