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Subsequent Events	12 Months Ended
	Dec. 31, 2012
Subsequent Events	21. Subsequent Events In February 2013, the Partnership completed its joint venture agreement with Belgium-based Exmar NV to own and charter-in LPG carriers with a primary focus on the mid-size gas carrier segment. The joint venture entity, called Exmar LPG BVBA, took economic effect as of November 1, 2012 and includes 16 owned LPG carriers (including four newbuildings scheduled for delivery in 2014) and five chartered-in LPG carriers. In addition, the joint venture recently ordered another four medium-size gas carrier newbuildings with deliveries scheduled between 2015 and 2016, with options to order up to four additional vessels, which brings the total fleet size of Exmar LPG BVBA to 25 vessels, excluding options. For its 50% ownership interest in the joint venture, including newbuilding payments made prior to the November 1, 2012, the Partnership invested approximately $134 million of equity and assumed approximately $108 million of its pro rata share of existing debt and lease obligations as of the economic effective date, secured by certain vessels in the Exmar LPG BVBA fleet. Exmar LPG BVBA is in the process of refinancing the joint venture fleet and four of the newbuildings with a new $355 million debt facility.

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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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