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Royalty Interests (Tables)
9 Months Ended
Sep. 30, 2020
Real Estate [Abstract]  
Schedule of Royalty Interests
As of September 30, 2020 and December 31, 2019, the Trust owned the following oil and gas royalty interests (in thousands, except number of interests):
Net Book Value
September 30, 2020December 31, 2019
1/16th nonparticipating perpetual royalty interests$— $— 
1/128th nonparticipating perpetual royalty interests — — 
Royalty interests acquired46,265 29,320 
Total royalty interests, gross46,265 29,320 
Less: accumulated depletion(582)(260)
Total royalty interests, net$45,683 $29,060