Subsequent Events - Royalty Trust Distributions (Details) - Subsequent Event $ in Thousands	Jul. 30, 2015 USD ($)
Mississippian Trust I
Subsequent Event
Total Distribution	$ 8,428
Amount Distributed to Third-Party Unitholders	6,162
Permian Trust
Subsequent Event
Total Distribution	16,656
Amount Distributed to Third-Party Unitholders	16,656
Mississippian Trust II
Subsequent Event
Total Distribution	9,361
Amount Distributed to Third-Party Unitholders	7,794
Royalty Trusts
Subsequent Event
Total Distribution	34,445
Amount Distributed to Third-Party Unitholders	$ 30,612

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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