Annual report pursuant to Section 13 and 15(d)

Oil and Gas Royalty Interests - Narrative (Details)

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Oil and Gas Royalty Interests - Narrative (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2023
USD ($)
a
Dec. 31, 2022
USD ($)
a
Dec. 31, 2021
USD ($)
a
Real Estate Properties [Line Items]        
Acquisition of royalty interests   $ 3,566 $ 1,662 $ 0
Additional real estate acquisitions        
Real Estate Properties [Line Items]        
Net royalty interests (in acres) | a   119 92 0
Acquisition of royalty interests   $ 3,600 $ 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%