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Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 customer | Dec. 31, 2012 customer
Basis of Consolidation |  |
Percentage of holders of the outstanding common units required to vote for removal of the general partner | 66.67% |
Cash and Cash Equivalents |  |
Checks issued but not presented to banks | $ 13.2 | $ 21.3
Accounts receivable | Credit concentration | One customer with largest risk concentration |  |
Accounts Receivable, net |  |
Number of customers | 1 | 0
Customers individually representing greater than this percentage for disclosure | 12.20% | 9.80%

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- Definition Represents the number of customers of the entity with concentration risks that exceed the disclosure threshold. + References No definition available. + Details
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- Definition Represents the minimum percentage of voting by the holders of outstanding common units required for removal of the general partner. + References No definition available. + Details
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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