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Subsequent Events (Tables) | 9 Months Ended
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Sep. 30, 2015
Subsequent Events [Abstract] |
Royalty Trust Distributions | The following distributions are expected to be paid on or before November 27, 2015 to holders of record as of the close of business on November 13, 2015 (in thousands):
Royalty Trust |  | Total Distribution |  | Amount Distributed to Third-Party Unitholders
Mississippian Trust I |  | $ | 8,528 |  |  | $ | 6,236 |
Permian Trust |  | 9,844 |  |  | 9,844 |
Mississippian Trust II |  | 8,317 |  |  | 6,924 |
Total |  | $ | 26,689 |  |  | $ | 23,004 |

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