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Subsequent Events (Notes)	3 Months Ended
	Mar. 31, 2013
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent Events Distribution Declaration On April 25, 2013, our general partner's board of directors declared a quarterly cash distribution of $0.385 per unit, payable on May 15, 2013, to unitholders of record on May 7, 2013.

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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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