Revision of Prior Period [Axis] Previously Reported [Member] Revision of Prior Period, Reclassification, Adjustment [Member] As Revised [Member] Fair Value Hierarchy and NAV [Axis] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Investment Type [Axis] On Investment in Bitcoin [Member] Loss Contingency Nature [Axis] Resulting from the Change in Liabilities Denominated In Bitcoin [Member] Related and Nonrelated Parties [Axis] Sponsor [Member] Due To Sponsor [Member] Award Type [Axis] Restricted Stock [Member] Crypto Asset [Axis] B T C [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Cover [Abstract] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Statement of Financial Position [Abstract] ASSETS Investment in Bitcoin, at fair value (cost $52,409,438 and $72,283,567, respectively) Cash Other Assets Total Assets LIABILITIES Management Fee Payable Total Liabilities Net Assets NET ASSETS CONSIST OF: Paid-in Capital Redemptions Accumulated net investment loss Accumulated net realized gain on investment in Bitcoin Accumulated net change in unrealized appreciation on investment in Bitcoin Shares outstanding (unlimited authorized) Net asset value per Share Schedule of Investments [Abstract] Investment in bitcoin, cost Shares authorized Investment in Bitcoin, cost Schedules Of Investments Investment in Bitcoin, at fair value, Units Investment in Bitcoin, at fair value, fair value Investment in Bitcoin, at fair value, percentage of net assets Liabilities, less cash and Other Assets, fair value Liabilities, less cash and Other Assets, percentage of net assets Net Assets, fair value Net Assets, percentage of net assets Income Statement [Abstract] Expenses Management Fee Professional Fees Custodian Fees Other Total Expenses Net Investment Loss Net Realized Gain and Net Change in Unrealized Appreciation/(Depreciation) on investment in Bitcoin Net Realized Gain on Investment in Bitcoin Net Change in Unrealized Depreciation on Investment in Bitcoin Total net realized gain and net change in unrealized depreciation on investment in Bitcoin Net decrease in net assets resulting from operations Statements Of Changes In Net Assets Increase (decrease) in net assets from operations Net Investment Loss Net realized gain on investment in Bitcoin Net change in unrealized depreciation on investment in Bitcoin Net decrease in net assets resulting from operations Decrease in net assets from capital transactions Redemptions Net decrease in net assets resulting from capital transactions Net decrease in net assets Net assets at the beginning of the period Net assets at the end of the period Change in shares issued and outstanding Redemptions Shares issued at the beginning of the year Shares outstanding at the beginning of the year Shares issued at the end of the year Shares outstanding at the end of the year Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization Accounting Policies [Abstract] Summary of Significant Accounting Policies Fair Value Disclosures [Abstract] Fair Value of Bitcoin Related Party Transactions [Abstract] Related Parties Creations And Redemptions Of Shares Creations and Redemptions of Shares Income Tax Disclosure [Abstract] Federal Income Taxes Risks and Uncertainties [Abstract] Risks and Uncertainties Indemnifications Indemnifications Commitments and Contingencies Disclosure [Abstract] Commitments and Contingent Liabilities Investment Company [Abstract] Financial Highlights Subsequent Events [Abstract] Subsequent Events Basis of Presentation Use of Estimates Cash Investment Transactions and Revenue Recognition Correction of immaterial error in the prior periods Segment Reporting Management Fee Trust Expenses Fair Value Measurements Schedule Of Restatement For The Financial Statements Schedule of Fair Value, Assets Measured on Recurring Basis Schedule of Investment Holdings of Investments Schedule of Activity in the Number and Value of Shares Created and Redeemed Schedule of Investment Company Financial Highlights Error Correction [Table] Error Corrections and Prior Period Adjustments Restatement [Line Items] Cost of investment Adjustment of shares outstanding Management fee annual rate Legal fees Fair Value, off-Balance-Sheet Risk [Table] Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Investment in bitcoin, number of bitcoin Investment in bitcoin, per bitcoin fair value Investment in bitcoin, at fair value, units Financial Instruments Owned and Pledged as Collateral [Table] Financial Instruments Owned and Pledged as Collateral [Line Items] Beginning balance, bitcoin Beginning balance, fair value Bitcoin distributed for redemptions Bitcoin distributed for redemptions, fair value Bitcoin distributed for management fee, related party Bitcoin distributed for management fee, related party, fair value Bitcoin distributed for other fees Bitcoin distributed for other fees, fair value Net realized gain on investment in Bitcoin, fair value Net change in unrealized depreciation on investment in Bitcoin, fair value Ending balance, bitcoin Ending balance, fair value Investment owned, unrecognized unrealized appreciation (depreciation), net Unrealized gain (loss) on investments Related Party Transaction [Table] Related Party Transaction [Line Items] Investment Company, Voluntary Fee Waived Management fees Unpaid management fees Investment Owned, Balance, Shares Investment Owned, Balance, Principal Amount Schedule Of Activity In Number And Value Of Shares Created And Redeemed Shares Issued, shares Shares Issued, value Shares Redeemed, shares Shares Redeemed, value Net Increase, shares Net Increase, value Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Issue and redeemable shares Net asset value shares Common stock, shares issued Common stock, shares outstanding Restricted securities shares Unrestricted securities shares Restricted securities shares Unrestricted securities Uncertain tax positions Net Asset Value Per Share, Beginning Balance Net realized gain and change in unrealized appreciation on investment Net investment loss Net increase (decrease) in net assets resulting from operations Net asset value per unit at end of period Total return Ratios to average net asset value, expenses Ratios to average net asset value, net investment loss Subsequent Event [Table] Subsequent Event [Line Items] Share Price Net assets abstract. Redemptions. Accumulated net investment loss Accumulated net realized gain loss on investment in bitcoin Accumulated net change in unrealized appreciation on investment in bitcoin. Investment in bitcoin number of bitcoin. Liabilities less cash and other assets. Liabilities less cash and other assets as a percentage Investment assets less investment liabilities percent of net assets Other expenses including reversal of accrued amount. Net realized gain and net change in unrealized appreciation depreciation on investment in bitcoin abstract. Increase decrease in net assets from operations abstract Decrease in net assets from capital transactions abstract. Redemptions. Net decrease in net assets resulting from capital transactions. Net increase/(decrease) in net assets. Change in units issued and outstanding abstract Change in units issued and outstanding redemptions. Management fee annual rate. Trust expenses [Policy Text Block] Investment in bitcoin per bitcoin fair value. Investment owned balance contracts distributed for redemptions. Investment owned balance contracts distributed related party. Investment owned balance contracts distributed redemption fair value. Investment owned balance contracts distributed related party fair value On Investment in Bitcoin [Member] Net change in unrealized depreciation on investment in bitcoin. Investment owned balance contracts distributed custody and index fees Investment owned balance contracts distributed custody and index fees fair value Accumulated net change in unrealized appreciation on investment in bitcoin. Resulting from the Change in Liabilities Denominated In Bitcoin [Member] Sponsor [Member] Due To Sponsor [Member] Management fee unpaid. Creations And Redemptions Of Shares [Text Block] Net asset value shares. Unrestricted securities shares. Activity In The Number And Value Of Shares Created And Redeemed [Table Text Block] Indemnifications [Text Block] As Revised [Member] Assets Liabilities Additional Paid in Capital Redemptions [Default Label] AccumulatedNetInvestmentLoss AccumulatedNetRealizedGainlossOnInvestmentInBitcoin AccumulatedNetChangeInUnrealizedAppreciationOnInvestmentInBitcoin Operating Costs and Expenses Gain (Loss) on Investments Net Income (Loss) Attributable to Parent Increase (Decrease) in Operating Assets NetDecreaseInNetAssetsResultingFromCapitalTransactions NetIncreasedecreaseInNetAssets ChangeInUnitsIssuedAndOutstandingRedemptions IndemnificationsTextBlock Cash and Cash Equivalents, Policy [Policy Text Block] Management and Investment Advisory Fees, Policy [Policy Text Block] Investment Owned, Balance, Contracts Stock Redeemed or Called During Period, Shares Debt Securities, Held-to-Maturity, Restricted