Quarterly report [Sections 13 or 15(d)]

Organization and Description of Business (Details)

v3.25.3
Organization and Description of Business (Details)
9 Months Ended 12 Months Ended
Sep. 30, 2025
a
segment
Dec. 31, 2024
Sep. 30, 2024
a
Organization, Consolidation and Presentation of Financial Statements [Line Items]      
Area of land (in acres)     640
Number of operating segments | segment 2    
Number of reportable segments | segment 2    
1/16th nonparticipating perpetual royalty interest      
Organization, Consolidation and Presentation of Financial Statements [Line Items]      
Nonparticipating perpetual royalty interest rate (in percentage) 6.25% 6.25%  
1/128th nonparticipating perpetual royalty interest      
Organization, Consolidation and Presentation of Financial Statements [Line Items]      
Nonparticipating perpetual royalty interest rate (in percentage) 0.78125% 0.78125%  
1/8th Net royalty acres      
Organization, Consolidation and Presentation of Financial Statements [Line Items]      
Nonparticipating perpetual royalty interest rate (in percentage) 12.50%    
West Texas      
Organization, Consolidation and Presentation of Financial Statements [Line Items]      
Area of land (in acres) 882,000    
Remaining area of land acquired 16,000    
West Texas | 1/128th Nonparticipating perpetual oil and gas royalty interest      
Organization, Consolidation and Presentation of Financial Statements [Line Items]      
Area of land (in acres) 85,000    
West Texas | 1/16th Nonparticipating perpetual oil and gas royalty interest      
Organization, Consolidation and Presentation of Financial Statements [Line Items]      
Area of land (in acres) 371,000    
West Texas | Net Royalty Acres      
Organization, Consolidation and Presentation of Financial Statements [Line Items]      
Area of land (in acres) 207,000