Quarterly report pursuant to Section 13 or 15(d)

Oil and Gas Royalty Interests - Narrative (Details)

v3.23.2
Oil and Gas Royalty Interests - Narrative (Details)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2023
USD ($)
a
Jun. 30, 2022
USD ($)
a
Jun. 30, 2023
USD ($)
a
Jun. 30, 2022
USD ($)
a
Dec. 31, 2022
Real Estate Properties [Line Items]          
Acquisition of royalty interests     $ 1,803 $ 1,662  
Depletion expense $ 600 $ 200 $ 900 $ 500  
Additional real estate acquisitions          
Real Estate Properties [Line Items]          
Net royalty interests (in acres) | a 61 92 61 92  
Acquisition of royalty interests     $ 1,800 $ 1,700  
1/16th nonparticipating perpetual royalty interest          
Real Estate Properties [Line Items]          
Nonparticipating perpetual royalty interest rate (in percentage)     6.25% 6.25% 6.25%
1/128th nonparticipating perpetual royalty interest          
Real Estate Properties [Line Items]          
Nonparticipating perpetual royalty interest rate (in percentage)     0.78125%   0.78125%