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v2.4.1.9

Subsequent Events (Details) (USD $) | 0 Months Ended
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Oct. 24, 2014 | Aug. 14, 2014 | May 14, 2014 | Feb. 13, 2014 | Feb. 13, 2015
Subsequent Event [Line Items] |  |  |  |  |
Quarterly cash distribution (dollars per unit) | $ 0.490 us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit | $ 0.475 us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit | $ 0.425 us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit | $ 0.415 us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit |
Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Quarterly cash distribution (dollars per unit) |  |  |  |  | $ 0.510 us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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- Definition Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 + Details
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