v3.26.1
Statements of Changes in Net Assets - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Increase (decrease) in net assets from operations        
Net investment loss $ (1,278) $ (8,490) $ (2,825) $ (16,349)
Net realized gain (loss) 24,322 4,099 94,107 12,965
Net change in unrealized appreciation (depreciation) (122,299) 319,683 (430,685) 63,034
Net increase (decrease) in Net Assets resulting from operations (99,255) 315,292 (339,403) 59,650
Increase (decrease) in net assets from capital share transactions        
Creations for Shares issued 3,507   3,507  
Redemptions for Shares redeemed (49,701)   (161,186)  
Net increase (decrease) in net assets resulting from capital share transactions (46,194)   (157,679)  
Total increase (decrease) in net assets from operations and capital share transactions (145,449) 315,292 (497,082) 59,650
Net Assets:        
Beginning of Period 678,236 1,110,098 1,029,869 1,365,740
End of Period $ 532,787 $ 1,425,390 $ 532,787 $ 1,425,390
Increase (Decrease) in Partners' Capital [Roll Forward]        
Shares issued 90,000   90,000  
Shares redeemed (1,150,000)   (3,400,000)  
Net increase (decrease) in Shares issued and outstanding (1,060,000)   (3,310,000)