75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - STATEMENTS OF ASSETS AND LIABILITIES (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - STATEMENTS OF ASSETS AND LIABILITIES (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75030 - Statement - SCHEDULES OF INVESTMENT (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 75040 - Statement - SCHEDULES OF INVESTMENT (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75050 - Statement - STATEMENTS OF OPERATIONS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 75060 - Statement - STATEMENTS OF CHANGES IN NET ASSETS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 995455 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 995465 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995475 - Disclosure - Fair Value of SOL link:presentationLink link:calculationLink link:definitionLink 995485 - Disclosure - Creations and Redemptions of Shares link:presentationLink link:calculationLink link:definitionLink 995495 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 995505 - Disclosure - Related Parties link:presentationLink link:calculationLink link:definitionLink 995515 - Disclosure - Risks and Uncertainties link:presentationLink link:calculationLink link:definitionLink 995525 - Disclosure - Financial Highlights Per Share Performance link:presentationLink link:calculationLink link:definitionLink 995535 - Disclosure - Indemnifications link:presentationLink link:calculationLink link:definitionLink 995545 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 995555 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 995565 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 995575 - Disclosure - Fair Value of SOL (Tables) link:presentationLink link:calculationLink link:definitionLink 995585 - Disclosure - Creations and Redemptions of Shares (Tables) link:presentationLink link:calculationLink link:definitionLink 995595 - Disclosure - Financial Highlights Per Share Performance (Tables) link:presentationLink link:calculationLink link:definitionLink 995605 - Disclosure - Organization - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995615 - Disclosure - Summary of Significant Accounting Policies - Summary of Fair Value Estimates (Details) link:presentationLink link:calculationLink link:definitionLink 995625 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995635 - Disclosure - Fair Value of SOL - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995645 - Disclosure - Fair Value of SOL - Changes in Quantity of SOL and Respective Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 995655 - Disclosure - Creations and Redemptions of Shares - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995665 - Disclosure - Creations and Redemptions of Shares - Summary of Activity in Value of Shares Issued and Redeemed (Details) link:presentationLink link:calculationLink link:definitionLink 995675 - Disclosure - Creations and Redemptions of Shares - Summary of Receivables and Payable of Related Party (Details) link:presentationLink link:calculationLink link:definitionLink 995685 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995695 - Disclosure - Related Parties - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995705 - Disclosure - Financial Highlights Per Share Performance - Summary of Per Share Data (Details) link:presentationLink link:calculationLink link:definitionLink 995715 - Disclosure - Financial Highlights Per Share Performance - Summary of Per Share Data (Details) 2 link:presentationLink link:calculationLink link:definitionLink Investment, Issuer Name [Axis] Schedule of Related Party Transactions [Table Text Block] Summary of Receivable and Payable of Related Party Indemnifications disclosure Indemnifications Disclosure [Text Block] Indemnifications Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Number of incidental rights held Number Of Incidental Right Held Number of incidental right held. Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Summary of Fair Value Estimates Net change in unrealized appreciation/depreciation on Sponsor's Staking Fee payable in SOL Net Change in Unrealized Appreciation/Depreciation on Sponsor's Staking Fee Payable in SOL Net change in unrealized appreciation/depreciation on sponsor's staking fee payable in SOL. Investment In SOL [Member] Investment in SOL. Investment in SOL Staked SOL Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status SOL Fair Value Per Share SOL fair value per share. SOL fair value per share Operating Expenses [Abstract] Expenses: Fair Value, Inputs, Level 2 [Member] Level 2 Unrealized Gain (Loss) on Sponsor's Staking Fee payable in SOL Unrealized Gain (Loss) on Sponsor's Staking Fee payable in SOL. Net change in unrealized appreciation/depreciation on Sponsor's Staking Fee payable in SOL Investment Company, Financial Highlights [Table Text Block] Summary of Per Share Data Document Fiscal Period Focus Document Fiscal Period Focus Entity Shell Company Entity Shell Company Segment Reporting Segment Reporting, Policy [Policy Text Block] Net Assets End of period Beginning of period Net assets Net Assets Common Stock, Shares, Issued Shares issued, no par value (unlimited Shares authorized) Investment Owned Balance Contracts Net Realized Loss On Investment Sold For Redemption Of Shares Investment owned balance contracts net realized loss on investment sold for redemption of shares. Net realized loss on investment in SOL sold for redemption of Shares, Quantity Investment Company, Investment Income (Loss) from Operations, Per Share Net decrease in net assets resulting from operations Revenue from Contract with Customer [Policy Text Block] Investment Transactions and Revenue Recognition Entity Filer Category Entity Filer Category Investment Owned, Balance, Contracts Quantity of Zcash Beginning balance, Quantity Ending Balance ,Quantity Investment owned balance contracts net realized (loss) gain. Investment Owned Balance Contracts Net Realized Loss Gain Net realized gain on investment in SOL to pay Sponsor's Fee, Quantity Increase (decrease) in net assets from capital share transactions [Abstract] Increase (decrease) in net assets from capital share transactions. Increase in net assets from capital share transactions: Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Federal income tax rate Sponsor's Staking Fee Sponsor Staking Fee Percentage Sponsor Staking Fee Percentage Percentage Of Sponsor Fee Decreases Percentage Of Sponsor Fee Decreases Percentage of sponsor fee decreases Income Tax Jurisdiction [Axis] Investment Owned Balance Contracts Net Realized Loss on Investment in SOL Sold to Pay Sponsor's Staking Fee Investment Owned Balance Contracts Net Realized Loss on Investment in SOL Sold to Pay Sponsor's Staking Fee. Net realized loss on investment in SOL sold to pay Sponsor's Staking Fee, Quantity Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Percentage of staking fees Percentage of Staking Fees Percentage of staking fees. Sponsor Fee Percent Sponsor Fee Percent Sponsor's Fee Concentration Risk Disclosure [Text Block] Risks and Uncertainties Percentage Of Sponsor Fee Percentage Of Sponsor Fee Percentage of sponsor fee Number of incidental rights distributed in payment of sponsors fee. Number Of Incidental Rights Distributed In Payment Of Sponsors Fee Number of incidental rights distributed Entity Small Business Entity Small Business Organization, Consolidation and Presentation of Financial Statements [Abstract] Investments Owned Staking Reward Income Investments owned staking reward income. SOL Staking Reward income, Fair Value Amendment Flag Amendment Flag Investment Owned Balance Contracts Staking Reward Income New Investment owned balance contracts staking reward income. SOL Staking Reward income, Quantity Entity Address, Postal Zip Code Entity Address, Postal Zip Code Investment Owned Balance Contracts Net Change in Unrealized Appreciation/Depreciation on Staking Reward Receivable in SOL Investment owned balance contracts net change in unrealized appreciation/depreciation on staking reward receivable in SOL. Net change in unrealized appreciation/depreciation on Staking Reward Receivable in SOL, Quantity Entity Address, Address Line One Entity Address, Address Line One Fair Value Hierarchy and NAV [Axis] Investment Company, Investment Income (Loss) from Operations, Per Share [Abstract] Net decrease in net assets from investment operations: Sponsor Staking Fee, Related Party Sponsor Staking Fee, Related Party Sponsor's Staking Fee, related party Document Type Document Type Stock Issued During Period, Shares, Period Increase (Decrease) Net increase in Shares Net Change in Number of Shares Issued and Redeemed Entity Central Index Key Entity Central Index Key Realized Investment Gains (Losses) Sold to Pay Sponsor's Fee Realized investment gains (losses) sold to pay sponsor's fee. Net realized (loss) gain on investment in SOL sold to pay Sponsor's Fee Subsequent Event Type [Domain] Common Stock, Par or Stated Value Per Share Stock, par value Operating Costs and Expenses Sponsor's fees incurred Sponsor's Fees Change in shares outstanding. Change In Shares Outstanding Abstract Change in Shares outstanding: Liabilities: Liabilities [Abstract] Schedule of Stockholders Equity [Table Text Block] Summary of Activity in Value of Shares Issued and Redeemed Investment Company, Expense, after Reduction of Fee Waiver and Reimbursement Net expenses Number Of Solana Shares Number of solana shares. Number of SOL shares Sponsor Fee Rate of Assets on NAV Sponsor fee rate of assets on NAV. Sponsor fee rate of assets on NAV Current Fiscal Year End Date --12-31 Non sponsor paid expenses. Non Sponsor Paid Expenses [Member] Non Sponsor Paid Expenses Document Quarterly Report Document Quarterly Report Entity Address, State or Province Entity Address, State or Province Investment Company, Investment Income (Loss) Ratio Net investment income (loss) Risks and Uncertainties [Abstract] Staking Reward Income Staking Reward Income Staking Reward Income Subsequent Event Subsequent Event Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Policyholders' Surplus Liability for unrecognized tax amount State and Local Jurisdiction [Member] State and Local Income Taxes Investment, Issuer Name [Domain] Sponsor Fees Sponsor's fees, related party Sponsor's Fee, related party Net realized loss on investment in SOL sold to pay Sponsor's Fee, Quantity Investment Owned Balance Contracts Net Realized Loss on Investment Sold to Pay Sponsor's Fee Investment owned balance contracts net realized loss on investment sold to pay sponsor's fee. Quantity of SOL Quantity of SOL. Quantity of SOL Minimum [Member] Minimum Financial Instrument [Axis] Fair Value, Inputs, Level 3 [Member] Level 3 Realized Investment Gains Losses Sold for Redemption of Shares Realized investment gains losses sold for redemption of shares. Net realized loss on investment in SOL sold for redemption of Shares Investment Company, Gain (Loss) on Investment, Per Share Net realized and unrealized loss Unrealized Gain (Loss) on Investments Net change in unrealized appreciation/depreciation on investment in SOL Net change in unrealized appreciation/depreciation on investment in SOL Related Party Transactions [Abstract] Sponsor's Staking Fee payable, related party Sponsor's Staking Fee payable, related party Sponsor's staking fee payable, related party. Grayscale Solana Trust [Member] Grayscale solana trust. Grayscale Solana Trust Subsequent Events [Text Block] Subsequent Events Related Party Transactions Disclosure [Text Block] Related Parties Entity Address, Address Line Two Entity Address, Address Line Two Fair Value Disclosures [Text Block] Fair Value of SOL Net assets. Net Assets [Abstract] Net assets: Fair Value Investment in SOL Beginning Balance, Fair Value Ending balance, Fair Value Investment in SOL, at fair value (cost $174,732 and $174,992 as of June 30, 2026 and December 31, 2025, respectively) Liabilities in Excess of Other Assets Liabilities In Excess of Other Assets [Member] Liabilities In Excess of Other Assets Member Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Total return Investment Company Total Returns Investment company total returns. Schedule of Investments [Line Items] Related and Nonrelated Parties [Axis] Realized Investment Gains (Losses) Sold to Pay Sponsor's Staking Fee Realized investment gains (losses) sold to pay sponsor's staking fee. Net realized gain (loss) on investment in SOL sold to pay Sponsor's Staking Fee Entity Address, City or Town Entity Address, City or Town Security Exchange Name Net assets, Fair value Fair Value, Net Asset (Liability) Fair Value, Net Asset (Liability), Total Sponsor Fee Waiver Percent Sponsor Fee Waiver Percent Sponsor's Fee Waiver Investment Owned, Cost Cost Cost of investment in SOL, at fair value Investment. Investment [Member] Investment Receivable and Payable of Related Party [Table] Receivable and payable of related party. Statistical Measurement [Domain] Investment Company, Expense Ratio, after Fee Waiver and before Incentive Fee Deduction Gross Expenses Gross Expenses Gross Expenses Document Period End Date Document Period End Date Fair Value Hierarchy and NAV [Domain] Stock Redeemed or Called During Period, Value Shares redeemed Shares redeemed Statement of Financial Position [Abstract] Related Party Transaction, Rate Related party sponsor fee percentage Other Receivables SOL receivable Liabilities Total liabilities Receivables, Fair Value Disclosure Receivables, Fair Value Disclosure, Total Staking Reward receivable, at fair value Financial Instruments [Domain] Principal market and fair value determination. Principal Market And Fair Value Determination [Policy Text Block] Principal Market and Fair Value Determination Investments Owned Redemptions Investments owned redemptions. SOL redeemed, Fair Value Securities Act File Number Entity File Number Cover [Abstract] Minimum percentage of tax positions. Minimum Percentage of Tax Positions Minimum percentage of tax positions Number of Operating Segments Number of operating segment Receivables in Excess of Other Liabilities [Member] Receivables in excess of other liabilities member. Receivables in Excess of Other Liabilities Investment income. Investment Income Investment income Investment Owned Balance Contracts Sponsor's Staking Fee, Related Party Investment owned balance contracts sponsor's staking fee, related party. SOL distributed for Sponsor's Staking Fee, related party, Quantity Schedule of Investments [Table] Investment, Type [Extensible Enumeration] Investment Holdings, Schedule of Investments [Table Text Block] Changes in Quantity of SOL and Respective Fair Value Common Stock, Shares, Outstanding Shares outstanding at beginning of period Shares outstanding at end of period Shares outstanding, no par value (unlimited Shares authorized) Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Document Transition Report Document Transition Report Gross Expenses Operating Expenses Gross expenses Schedule of Investments [Abstract] Investment owned balance contracts new contributions. Investment Owned Balance Contracts New Contributions SOL contributed, Quantity Net realized loss on investment in SOL sold for redemption of Shares Realized Gain (Loss) on Investment in SOL for Redemption of Shares. Realized gain (loss) on investment in SOL for redemption of shares. Stock Issued During Period, Value, New Issues Shares issued Assets, Fair Value Disclosure [Abstract] Assets Investments owned distributions. Investments Owned Distributions SOL distributed for Sponsor's Fee, related party SOL distributed for Sponsor's Fee, related party, Fair Value Equity [Text Block] Creations and Redemptions of Shares Net change in unrealized appreciation/depreciation on Staking Reward Receivable in SOL Unrealized Gain (Loss) on Staking Reward Receivable in SOL Unrealized gain (loss) on staking reward receivable in SOL. Net (decrease) increase in net assets resulting from operations Net (decrease) increase in net assets resulting from operations Investment Owned Balance Contracts Redeemed Investment owned balance contracts redeemed. SOL redeemed, Quantity Income Tax Contingency [Line Items] Net Realized Loss on Investment in SOL Sold to Pay Sponsors Staking Fee Net realized loss on investment in SOL sold to pay sponsor's staking fee. Net realized gain (loss) on investment in SOL sold to pay Sponsor's Staking Fee Investments Owned Sponsor's Staking Fee, Related Party Investments owned sponsor's staking fee, related party. SOL distributed for Sponsor's Staking Fee, related party, Ending balance, Fair Value Assets [Abstract] Assets: Document Fiscal Year Focus Document Fiscal Year Focus Sponsor. Sponsor [Member] Sponsor Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurement Other Liabilities Other Liabilities, Total SOL payable Fair Value Disclosures [Abstract] Common Share Equivalent Of SOL Common share equivalent of SOL. Share represented as SOL Percentage Of Staking Fee And Validator Fees Percentage Of Staking Fee And Validator Fees Percentage of Staking Fee and Validator Fees Investment Owned, Net Assets, Percentage % of Net Assets Investment Income, Net Net investment income (loss) Net investment income (loss) Related and Nonrelated Parties [Domain] Income Tax Disclosure [Text Block] Income Taxes Collaborative Arrangement and Arrangement Other than Collaborative [Table] Stock Redeemed or Called During Period, Shares Shares redeemed Shares redeemed Income Tax Disclosure [Abstract] Fair Value, Recurring and Nonrecurring [Table] Unrecognized Tax Benefits Unrecognized Tax Benefits, Ending Balance Unrecognized Tax Benefits, Beginning Balance Reserves for uncertain tax positions Unrecognized tax amounts Trading Symbol Related Party Transaction [Table] Receivable and Payable of Related Party [Line Items] Receivable and payable of related party. Subsequent Event Type [Axis] Investment Company, Financial Highlights [Abstract] Entity Ex Transition Period EntityExTransitionPeriod Investment Company, Expense Offset Arrangement Sponsor's Fee Waiver, related party Sponsor's Fee Waiver, related party Asset, Held-in-Trust Asset, Held-in-Trust, Total Assets held in trust Accounts Payable Sponsor's Fee payable, related party Accounts Payable, Related Parties Accrued and unpaid sponsor's fees Investment Company, Financial Highlights [Text Block] Financial Highlights Per Share Performance Unrealized Gain (Loss) on Sponsor Staking Fee Payable Unrealized Gain (Loss) on Sponsor Staking Fee Payable Net change in unrealized appreciation/depreciation on Sponsor's Staking Fee payable in SOL Increase (decrease) in net asset. Increase (Decrease) in Net Asset. Total (decrease) increase in net assets from operations and capital share transactions Investment Company, Investment Income (Loss), Per Share, Basic Net investment income (loss) Investment Income, Net [Abstract] Investment income: Maximum [Member] Maximum Statistical Measurement [Axis] Income Tax Contingency [Table] Related Party Transaction, Amounts of Transaction Purchase of shares of the trust Related party maximum transaction in a fiscal year Investment Company, Financial Ratios [Abstract] Ratios to average net assets: Net Change in Unrealized Appreciation/Depreciation on Staking Reward Receivable in SOL Net change in unrealized appreciation/depreciation on staking reward receivable in SOL. Net change in unrealized appreciation/depreciation on Staking Reward Receivable in SOL Net change in unrealized appreciation/depreciation on Staking Reward Receivable in SOL Investment Company, Expense Ratio, after Fee Waiver and Incentive Fee Deduction Net expenses Related Party Transaction [Line Items] Entity Registrant Name Entity Registrant Name Common Stock, Shares Held in Employee Trust, Shares Shares held by related parties Subsequent Events [Abstract] Investment Company [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Stockholders' Equity, Period Increase (Decrease) Net increase in net assets resulting from capital share transactions Net increase in net assets resulting from capital share transactions Gain (Loss) on Investments Net realized and unrealized (loss) gain on investment Net realized and unrealized (loss) gain on investment Net Asset Value Per Share Principal Market NAV, end of period Principal Market NAV, beginning of period Principal Market NAV per Share Investment Company, Financial Highlights [Line Items] Assets Total assets Income Statement [Abstract] Fair Value of Financial Instruments, Policy [Policy Text Block] Principal Market and Fair Value Determination Stock Issued During Period, Shares, New Issues Shares issued Investment Owned Balance Contracts Net Change In Unrealized Appreciation Depreciation On Investment Investment owned balance contracts net change in unrealized appreciation depreciation on investment. Net change in unrealized appreciation/depreciation on investment in SOL, Quantity Title of 12(g) Security Title of 12(g) Security City Area Code City Area Code Investment owned balance contracts net change in unrealized (depreciation) appreciation. Investment Owned Balance Contracts Net Change In Unrealized Depreciation Appreciation Net change in unrealized appreciation/depreciation on investment in SOL, Quantity Investment owned balance contracts distributed. Investment Owned Balance Contracts Distributed SOL distributed for Sponsor's Fee, related party SOL distributed for Sponsor's Fee, related party, Quantity Investment Company, Financial Highlights [Roll Forward] Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Indemnifications disclosure. Indemnifications Disclosure Abstract Investment owned balance shares held by custodian. Investment Owned Balance Shares Held By Custodian Investment owned balance shares held by custodian Investment Owned Balance Contracts Net Change in Unrealized Appreciation/Depreciation on Sponsor's Staking Fee Payable in SOL Investment owned balance contracts net change in unrealized appreciation/depreciation on sponsor's staking fee payable in SOL. Net change in unrealized appreciation/depreciation on Sponsor's Staking Fee payable in SOL, Quantity Fair Value, Inputs, Level 1 [Member] Level 1 Additional trust expenses paid by sponsor. Additional Trust Expenses Paid By Sponsor Additional trust expenses paid by sponsor Income Tax Jurisdiction [Domain] Entity Interactive Data Current Entity Interactive Data Current Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract] (Decrease) increase in net assets from operations: Investment Company, Financial Highlights [Table] Entity Tax Identification Number Entity Tax Identification Number Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization Investments owned new contributions. Investments Owned New Contributions SOL contributed, Fair Value Net realized and unrealized gain loss. Net Realized And Unrealized Gain Loss [Abstract] Net realized and unrealized gain from: Net realized and unrealized (loss) gain from: Local Phone Number Local Phone Number Gross Investment Income, Operating Total Investment income Total Investment income Gain (Loss) on Sale of Trust Assets to Pay Expenses Gain (Loss) on Sale of Trust Assets to Pay Expenses, Total Net realized (loss) gain on investment in SOL sold to pay Sponsor's Fee Accounting Policies [Abstract] Sponsor staking fees Sponsor Staking Fees Sponsor staking fees. Common Stock, Shares Authorized, Unlimited [Fixed List] Common shares authorized Entity Emerging Growth Company Entity Emerging Growth Company Sponsor Fee Rate Sponsor fee rate. Sponsor fee rate