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Subsequent Events (Tables) | 12 Months Ended
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Dec. 31, 2014
Subsequent Events [Abstract] |
Royalty Trust Distributions | The following distributions will be paid on February 27, 2015 to holders of record as of the close of business on February 13, 2015 (in thousands):
Royalty Trust |  | Total Distribution |  | Amount to be Distributed to Third-Party Unitholders
Mississippian Trust I |  | $ | 8,538 |  |  | $ | 6,242 |
Permian Trust |  | 27,681 |  |  | 25,830 |
Mississippian Trust II |  | 13,985 |  |  | 11,644 |
Total |  | $ | 50,204 |  |  | $ | 43,716 |

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