v3.26.1
Fair Value of SOL - Changes in Quantity of SOL and Respective Fair Value (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Sol
Jun. 30, 2025
USD ($)
Sol
Jun. 30, 2026
USD ($)
Sol
Jun. 30, 2025
USD ($)
Sol
Fair Value Disclosures [Abstract]        
Beginning balance, Quantity     1,293,746.87210555 529,873.8984953
SOL contributed, Quantity     299,960.5305225 5,219.03119914
SOL redeemed, Quantity     (251,897.9649112)  
SOL Staking Reward income, Quantity     40,849.93047599  
SOL distributed for Sponsor's Fee, related party, Quantity     (1,766.23450023) (6,580.26004144)
SOL distributed for Sponsor's Staking Fee, related party, Quantity     (7,118.97149338)  
Net change in unrealized appreciation/depreciation on investment in SOL, Quantity     0  
Net change in unrealized appreciation/depreciation on investment in SOL, Quantity       0
Net realized loss on investment in SOL sold to pay Sponsor's Staking Fee, Quantity     0  
Net change in unrealized appreciation/depreciation on Staking Reward Receivable in SOL, Quantity     0  
Net change in unrealized appreciation/depreciation on Sponsor's Staking Fee payable in SOL, Quantity     0  
Net realized loss on investment in SOL sold for redemption of Shares, Quantity     0  
Net realized loss on investment in SOL sold to pay Sponsor's Fee, Quantity     0  
Net realized gain on investment in SOL to pay Sponsor's Fee, Quantity       0
Ending Balance ,Quantity 1,373,774.16219922 528,512.669653 1,373,774.16219922 528,512.669653
Beginning Balance, Fair Value | $ $ 101,137   $ 160,385 $ 102,631
SOL contributed, Fair Value | $     30,875 1,218
SOL redeemed, Fair Value | $     (23,800)  
SOL Staking Reward income, Fair Value | $     3,779  
SOL distributed for Sponsor's Fee, related party, Fair Value | $     (146) (1,081)
SOL distributed for Sponsor's Staking Fee, related party, Ending balance, Fair Value | $     (623)  
Net change in unrealized appreciation/depreciation on investment in SOL | $ (8,480) $ 17,213 (58,990) (19,602)
Net realized gain (loss) on investment in SOL sold to pay Sponsor's Staking Fee | $ (191) 0 (293) 0
Net change in unrealized appreciation/depreciation on Staking Reward Receivable in SOL | $ 4 0 5 0
Net change in unrealized appreciation/depreciation on Sponsor's Staking Fee payable in SOL | $     (25)  
Net realized loss on investment in SOL sold for redemption of Shares | $ (4,034) (0) (9,943) 0
Net realized (loss) gain on investment in SOL sold to pay Sponsor's Fee | $ (55) 66 (87) 233
Ending balance, Fair Value | $ $ 101,137 $ 83,399 $ 101,137 $ 83,399