Date of record for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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Date of distribution for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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Cash Distributions (Details) - $ / shares		3 Months Ended	6 Months Ended
Cash Distributions (Details) - $ / shares	Jul. 30, 2015	Jun. 30, 2015	Jun. 30, 2015
Cash Distribution [Line Items]
General Partner partnership interest		1.00%	1.00%
Subsequent Event [Member]
Cash Distribution [Line Items]
Distribution declared (in dollars per unit)	$ 0.54
Cash Distribution [Member] \| Subsequent Event [Member]
Cash Distribution [Line Items]
Declaration date	Jul. 30, 2015
General Partner partnership interest	1.00%
Distribution date	Aug. 27, 2015
Date of record	Aug. 10, 2015