v3.26.1
Subsequent Events (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 12, 2026
Apr. 30, 2026
Jun. 30, 2027
Mar. 31, 2027
Dec. 31, 2026
Sep. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Aug. 06, 2026
Dec. 31, 2025
Jul. 12, 2022
Subsequent Events [Abstract]                          
Long-term Debt, Current Maturities             $ 43,250   $ 43,250     $ 37,500  
Subsequent Event [Line Items]                          
Proceeds from sale of business                 $ 290,191 $ 2,849      
Trust shares, authorized (shares)             500,000,000   500,000,000     500,000,000  
Management fees             $ 13,817 $ 19,035 $ 29,751 $ 37,898      
Sterno Products [Member]                          
Subsequent Event [Line Items]                          
Proceeds from sale of business   $ 282,000                      
Management Service Agreement With CGM                          
Subsequent Event [Line Items]                          
Management fees             $ 29,800            
Revolving Credit Facility | 2022 Credit Facility | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                          
Subsequent Event [Line Items]                          
Debt Instrument, Interest Rate, Stated Percentage                         3.25%
Revolving Credit Facility | 2022 Credit Facility | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                          
Subsequent Event [Line Items]                          
Debt Instrument, Interest Rate, Stated Percentage                         1.50%
Subsequent Event                          
Subsequent Event [Line Items]                          
Debt Instrument, Periodic Payment     $ 9,500 $ 8,000 $ 6,500 $ 5,000              
Milestone Fee         $ 4,000                
Subsequent Event | Maximum | Management Service Agreement With CGM                          
Subsequent Event [Line Items]                          
Quarterly Management Fee Percentage Of Entity Adjusted Net Assets 1.00%                        
Subsequent Event | Minimum | Management Service Agreement With CGM                          
Subsequent Event [Line Items]                          
Quarterly Management Fee Percentage Of Entity Adjusted Net Assets 1.25%                        
Adjusted Net Assets $ 3,000,000                        
Subsequent Event | Median | Management Service Agreement With CGM                          
Subsequent Event [Line Items]                          
Quarterly Management Fee Percentage Of Entity Adjusted Net Assets 1.125%                        
Adjusted Net Assets $ 5,000,000                        
Base management fee $ 30,000                        
Subsequent Event | Revolving Credit Facility | Sixth Amendment to Credit Facility [Member]                          
Subsequent Event [Line Items]                          
Line of Credit Facility, Maximum Borrowing Capacity                     $ 150,000    
Line of credit, revolving commitments                     54,000    
Subsequent Event | Revolving Credit Facility | 2022 Credit Facility                          
Subsequent Event [Line Items]                          
Line of Credit Facility, Maximum Borrowing Capacity                     250,000    
Line of credit, revolving commitments                     $ 100,000