v3.26.1
Long-term Debt - Credit Facility (Narrative) (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Nov. 13, 2024
USD ($)
Line of Credit Facility [Line Items]            
Total long-term debt $ 400,000,000   $ 400,000,000   $ 400,000,000  
Line of Credit | Revolving credit facility            
Line of Credit Facility [Line Items]            
Amortization period     5 years      
Interest expense 800,000 $ 800,000 $ 1,600,000 $ 1,600,000    
Total long-term debt $ 0   $ 0   $ 0  
Line of Credit | Revolving credit facility | Magnolia Operating            
Line of Credit Facility [Line Items]            
Maximum commitments, aggregate principal amount           $ 1,500,000,000
Initial borrowing base           800,000,000.0
Borrowing capacity           $ 450,000,000.0
Leverage ratio (less than)           3.50
Current ratio (greater than)           1.00
Line of Credit | Letter of credit | Magnolia Operating            
Line of Credit Facility [Line Items]            
Maximum commitments, aggregate principal amount           $ 50,000,000.0