Annual report [Section 13 and 15(d), not S-K Item 405]

Organization and Description of Business (Details)

v3.25.4
Organization and Description of Business (Details) - a
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Line Items]    
Area of land (in acres)   1,009
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 33,000  
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) 224,000