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Subsequent Events | 12 Months Ended
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Dec. 31, 2011
Subsequent Events [Abstract] |
Subsequent Events (Unaudited) | 16. Subsequent Events (Unaudited) The following represents material events that have occurred subsequent to December 31, 2011 through the time of the Partnership’s filing its Form 10-K with the SEC: Acquisitions Oklahoma Oil and Gas. During January and February 2012, the Partnership acquired approximately 6,000 acres located in the Mississippian Lime oil play in Northern Oklahoma for $20.0 million. Colt. On February 2, 2012, the Partnership closed the fifth acquisition of reserves from Colt, LLC, an affiliate of the Cline Group. The Partnership paid $40.0 million and acquired approximately 26.0 million tons of coal reserves. Distributions On January 18, 2012, the Partnership declared a distribution of $0.55 per unit to be paid on February 14, 2012 to unitholders of record on February 3, 2012.

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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. + References No definition available. + Details
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