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Subsequent Events	3 Months Ended
	Mar. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Distribution Declaration On April 26, 2018, our general partner's board of directors declared a quarterly cash distribution of $0.75 per limited partner unit, payable on May 15, 2018, to unitholders of record on May 7, 2018. 2025 Notes Offer to Exchange On April 25, 2018, we made an offer to exchange all the outstanding 2025 Notes (as defined in Note 6) and the related guarantees that are validly tendered and not validly withdrawn for an equal principal amount of exchange notes that are freely tradeable, as required under the terms of the original indenture (the "Exchange Offer"). The Exchange Offer expires on May 23, 2018 (the "Expiration Date"), unless extended. We do not currently intend to extend the Expiration Date. The terms of the exchange notes to be issued in the Exchange Offer are substantially identical to the terms of the outstanding 2025 Notes, except that the exchange notes will be freely tradeable.  All untendered outstanding 2025 Notes as of the Expiration Date will continue to be subject to the restrictions on transfer set forth in the outstanding 2025 Notes and in the indenture governing the outstanding 2025 Notes.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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