Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Less: Net loss attributable to noncontrolling interest Less: Net loss attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Pay vs Performance Disclosure [Line Items] Opco common units Common Units, Opco [Member] Common Units, Opco Accrued expenses Accrued Liabilities, Current Statistical Measurement [Domain] Statistical Measurement [Domain] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Related Party Transaction [Line Items] Related Party Transaction [Line Items] Award Type [Domain] Award Type [Domain] Fair Value as of Grant Date Award Grant Date Fair Value Remaining lease terms Lessee, Operating Lease, Remaining Lease Term Shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Impairment Impairment of Intangible Assets (Excluding Goodwill) Statement of Stockholders' Equity [Abstract] Cash consideration paid Payments to Acquire Businesses, Gross Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Investments, Debt and Equity Securities [Abstract] Effect of exchange rate changes Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Impairment Impairment of Intangible Assets, Finite-Lived MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Accounts payable Accounts Payable, Current Other computer and network equipment Computer Equipment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Crypto-Asset [Domain] Crypto-Asset [Domain] Estimated cash savings from workforce reduction Restructuring and Related Cost, Expected Cash Savings From Positions Eliminated, Next 12 Months Restructuring and Related Cost, Expected Cash Savings From Positions Eliminated, Next 12 Months Commitments and contingencies (Note 14) Commitments and Contingencies Impairment Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) Warrants Warrants Disclosure [Text Block] Warrants Disclosure Insider Trading Policies and Procedures [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Stockholders’ Equity Equity [Text Block] Proceeds from Concurrent Offerings, net of issuance costs Proceeds from Issuance of Common Stock Geographical [Axis] Geographical [Axis] Income Taxes Income Tax Disclosure [Text 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Technology and communication Communications and Information Technology Accelerated costs Share-Based Payment Arrangement, Accelerated Cost U.S. Treasury debt securities U.S. Treasury debt securities Total available-for-sale securities Debt Securities, Available-for-Sale, Excluding Accrued Interest Trading Symbol Trading Symbol Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] Net loss attributable to Bakkt Holdings, Inc. 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Disclosure [Line Items] ICE Offering ICE Offering [Member] ICE Offering Non-current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets Forecast Forecast [Member] Other receivables Other Receivables, Current [Member] Other Receivables, Current Measurement Frequency [Axis] Measurement Frequency [Axis] Warrants Public warrants Warrant [Member] Operating lease liability, noncurrent Operating Lease, Liability, Noncurrent Summary of Available-for-Sale Debt Securities by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] RSUs Restricted Stock Units (RSUs) [Member] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Class of Warrant or Right [Table] Class of Warrant or Right [Table] Depreciation and amortization expense Depreciation Schedule of Future Minimum Commitments Contractual Obligation, Fiscal Year Maturity [Table Text Block] Conversion of Stock [Line Items] Conversion of Stock [Line Items] Ether Ether [Member] Ether Cash payments for settlement of vested participation units Deferred Compensation Arrangement with Individual, Distribution Paid Unbilled receivables Unbilled Receivables, Current [Member] Unbilled Receivables, Current Loyalty revenue share liability Loyalty Revenue Share Liability, Current Loyalty Revenue Share Liability, Current Sale of stock, number of units/warrants issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Safeguarding obligation for crypto Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Safeguarding Liability, Platform Operator, Crypto-Asset Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Safeguarding Liability, Platform Operator, Crypto-Asset PSUs Performance Stock Units (PSUs) [Member] Performance Stock Units (PSUs) Product and Service [Domain] Product and Service [Domain] Schedule of Weighted-Average Potential Common Shares Excluded From Diluted Loss Per Common Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Bakkt Opco Holdings, LLC Bakkt Opco Holdings, LLC [Member] Bakkt Opco Holdings, LLC Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Increases due to cash received, net of amounts recognized in revenue during the period Contract With Customer, Liability, Increases Due To Cash Received, Net Of Amounts Recognized In Revenue Contract With Customer, Liability, Increases Due To Cash Received, Net Of Amounts Recognized In Revenue Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Acquisition-related expenses Business Combination, Acquisition Related Costs Total Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Award Type [Axis] Award Type [Axis] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Plan Name [Domain] Plan Name [Domain] Document Quarterly Report Document Quarterly Report Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Capitalized internal-use software development costs and other capital expenditures included in accounts payable and accrued liabilities Capital Expenditures Incurred but Not yet Paid Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Property, equipment and software, gross Property, Plant and Equipment, Gross Non-cash operating lease right-of-use asset acquired Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Trading Arrangement: Trading Arrangement [Axis] Related Parties Related Party Transactions Disclosure [Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Leases Lessee, Finance Leases [Text Block] Entity File Number Entity File Number Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Current maturities of operating lease liability Operating Lease, Liability, Current Prepaid expenses Prepaid Expense, Current Schedule of Other Assets Schedule of Other Assets [Table Text Block] Real Estate [Domain] Real Estate [Domain] Amortization of intangible assets Amortization of Intangible Assets Proceeds from the settlement of available-for-sale securities Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Entity Shell Company Entity Shell Company Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Deposits Deposits at Brokers or Dealers [Member] Deposits at Brokers or Dealers Finite lived intangible assets Finite-Lived Intangible Assets, Net Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Restatement Determination Date Restatement Determination Date Prepaid insurance Increase (Decrease) in Prepaid Expense Number of named defendants Loss Contingency, Number of Defendants Counterparty Name [Domain] Counterparty Name [Domain] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash, cash equivalents, restricted cash, cash held in escrow, customer funds and deposits at the beginning of the period Cash, cash equivalents, restricted cash, cash held in escrow, customer funds and deposits at the end of the period Total cash, cash equivalents, restricted cash, cash held in escrow, customer funds and deposits Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Gross Carrying Amount Indefinite-Lived Intangible Assets (Excluding Goodwill), Gross Indefinite-Lived Intangible Assets (Excluding Goodwill), Gross Credit loss on investments Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Not Previously Recorded Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued Summary of RSU Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Cash consideration Total consideration Business Combination, Consideration Transferred Deferred revenue, current Contract with Customer, Liability, Current Security Exchange Name Security Exchange Name Total assets Assets, Fair Value Disclosure 1-3 years Purchase Obligation, to be Paid, Year One and Two Purchase Obligation, to be Paid, Year One and Two Safeguarding Obligation For Crypto Platform Operator, Crypto-Asset [Text Block] Gross proceeds Sale of Stock, Consideration Received on Transaction Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Employee Stock Option Employee Stock Option [Member] Class A Common Stock Class A Common Stock Common Class A [Member] Period to recognize unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Stock Conversion Description [Axis] Stock Conversion Description [Axis] Maximum Maximum [Member] Comprehensive loss attributable to Bakkt Holdings, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Document Type Document Type Unsettled crypto trades Increase (Decrease) In Platform Operator, Crypto-Asset, Unsettled Trades Liability Increase (Decrease) In Platform Operator, Crypto-Asset, Unsettled Trades Liability Tabular List, Table Tabular List [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Receivable Type [Axis] Receivable Type [Axis] Unsettled crypto trades Platform Operator, Crypto-Asset, Unsettled Trades Liability Platform Operator, Crypto-Asset, Unsettled Trades Liability Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Subsequent Event [Table] Subsequent Event [Table] Share-Based and Unit-Based Compensation Share-Based Payment Arrangement [Text Block] Ownership percentage, Opco common units held by Bakkt Holdings, Inc. Subsidiary, Ownership Percentage, Parent Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Other Other Noncash Income (Expense) Purchase of available-for-sale securities Payments to Acquire Debt Securities, Available-for-Sale Subscription and service revenue Subscription And Service Revenue [Member] Subscription And Service Revenue Crypto costs (See Note 2) Crypto Costs Crypto Costs Business Acquisition [Axis] Business Acquisition [Axis] More than 5 years Purchase Obligation, to be Paid, after Year Four Purchase Obligation, to be Paid, after Year Four Less: allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Customer funds payable Customer Funds Payable, Current Customer Funds Payable, Current Trademarks / trade names Trademarks and Trade Names [Member] Subsequent Event Subsequent Event [Member] Unrecognized tax benefits, interest and penalties accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Other current liabilities Total Other Liabilities, Current Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Income Statement [Abstract] Deposits (See Note 6) Deposits Assets, Current Unit-based compensation expense Share-Based Payment Arrangement Expense And Deferred Compensation Arrangement with Individual, Compensation Expense Share-Based Payment Arrangement Expense And Deferred Compensation Arrangement with Individual, Compensation Expense Equity offerings, net of issuance costs (in shares) Stock Issued During Period, Shares, New Issues Title of 12(b) Security Title of 12(b) Security Warrant units vested but not exercised (in shares) Class Of Warrant Or Right, Vested Class Of Warrant Or Right, Vested Total available-for-sale securities Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance 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Average Grant Date Fair Value Paired Interest Rights Paired Interests [Member] Paired Interests Shares issued upon vesting of share-based awards, net of tax withholding Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Other current assets Total Other Assets, Current Class of Stock [Line Items] Class of Stock [Line Items] Income Tax Disclosure [Abstract] Schedule of Other Ownership Interests Schedule of Other Ownership Interests [Table Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Increase in common stock reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance, Period Increase (Decrease) Common Stock, Capital Shares Reserved for Future Issuance, Increase (Decrease) Common Incentive Units Common Incentive Units [Member] Common Incentive Units Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Share-Based Payment Arrangement [Abstract] Entity Tax Identification Number Entity Tax Identification Number Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Contract costs Capitalized Contract Cost, Amortization Platform Operator, Crypto-Asset [Line Items] Platform Operator, Crypto-Asset [Line Items] Statistical Measurement [Axis] Statistical Measurement [Axis] Transaction revenue Transaction Revenue, Net [Member] Transaction Revenue, Net Subscription Fees Subscription Fees [Member] Subscription Fees Financial Instrument [Axis] Financial Instrument [Axis] Maximum borrowing capacity Purchasing Card Facility, Maximum Borrowing Capacity Purchasing Card Facility, Maximum Borrowing Capacity Entity Interactive Data Current Entity Interactive Data Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Total Shareholder Return Amount Total Shareholder Return Amount Reconciliation of cash, cash equivalents, restricted cash, cash held in escrow, customer funds and deposits to consolidated balance sheet: Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract] Repurchase and retirement of Class A Common Stock for withholding purposes Payments for Repurchase of Common Stock Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Due after one year through five years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Due in one year or less Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Supplemental disclosure of non-cash investing and financing activity: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Total Stockholders’ Equity Opco common units held by Bakkt Holdings, Inc. Parent [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] RSUs and PSUs Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) [Member] Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) Accumulated deficit Retained Earnings (Accumulated Deficit) Measure: Measure [Axis] Deposits with clearinghouse Deposits With Clearinghouse Deposits With Clearinghouse Commitments and Contingencies Disclosure [Abstract] Name Outstanding Recovery, Individual Name Shiba Inu Shiba Inu [Member] Shiba Inu Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Current assets: Assets, Current [Abstract] Total accounts receivable Accounts Receivable, before Allowance for Credit Loss, Current Leases [Abstract] Other Commitments [Line Items] Other Commitments [Line Items] Platform Operator, Crypto-Asset [Abstract] Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Counterparty Name [Axis] Counterparty Name [Axis] Execution, clearing and brokerage fees Execution, Clearing and Brokerage Fees Execution, Clearing and Brokerage Fees Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Summary of Unit-Based Compensation Expense Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Unrealized losses on available-for-sale securities, net of tax Unrealized loss on available-for-sale securities, net of tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Common stock, outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Dividends Dividends PEO PEO [Member] Other operating expenses Other Cost and Expense, Operating 3-5 years Purchase Obligation, to be Paid, Year Three and Four Purchase Obligation, to be Paid, Year Three and Four Financial Services, Banking and Thrift [Abstract] Financial Services, Banking and Thrift [Abstract] 2021 Omnibus Incentive Plan 2021 Omnibus Incentive Plan [Member] 2021 Omnibus Incentive Plan Loyalty redemption platform Sales Channel, Loyalty Redemption Platform [Member] Sales Channel, Loyalty Redemption Platform Conversion of Stock, Name [Domain] Conversion of Stock, Name [Domain] Opco Opco [Member] Opco Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Sale of Stock [Axis] Sale of Stock [Axis] Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Class of Stock [Domain] Class of Stock [Domain] Due after one year through five years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Net loss attributable to Bakkt Holdings, Inc. – basic Net Income (Loss) Available to Common Stockholders, Basic Professional services Professional Fees Number of available-for-sale debt securities in an unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Effective tax rate Effective Income Tax Rate Reconciliation, Percent Current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Total lease liability Operating Lease, Liability Total liabilities Liabilities Summary of Incentive Unit Activity Share-Based Payment Arrangement, Activity [Table Text Block] Apex Crypto Apex Crypto, LLC [Member] Apex Crypto, LLC Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] ARIZONA ARIZONA Vesting [Domain] Vesting [Domain] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Class V Common Stock Common Class V [Member] Common Class V Measurement Frequency [Domain] Measurement Frequency [Domain] Expenses related to 401(k) plan Defined Contribution Plan, Cost Common stock reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance All Executive Categories All Executive Categories [Member] Deferred revenue, noncurrent Contract with Customer, Liability, Noncurrent Platform Operator, Crypto-Asset [Table] Platform Operator, Crypto-Asset [Table] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Plan Name [Axis] Plan Name [Axis] Liquidity maintenance requirement, minimum Purchasing Card Facility, Liquidity Maintenance Requirement, Minimum Purchasing Card Facility, Liquidity Maintenance Requirement, Minimum Related Party Transaction [Domain] Related Party Transaction [Domain] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Number of reportable segments Number of Reportable Segments Net loss per share attributable to Class A Common Stockholders: Earnings Per Share [Abstract] Subsequent Event [Line Items] Subsequent Event [Line Items] Class 1 and Class 2 Warrants Class 1 and Class 2 warrants Class 1 And Class 2 Warrants [Member] Class 1 And Class 2 Warrants Organization, Consolidation and Presentation of Financial Statements [Abstract] Non-cash lease expense Operating Lease, Right-of-Use Asset, Periodic Reduction GEORGIA GEORGIA Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Safeguarding asset for crypto Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Safeguarding Asset, Platform Operator, Crypto-Asset Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Safeguarding Asset, Platform Operator, Crypto-Asset Total current assets Assets, Current Contingent consideration Business Combination, Contingent Consideration, Liability Revenue from Contract with Customer [Abstract] All Individuals All Individuals [Member] Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Other income (expense), net Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Total Purchase Obligation Cash paid for working capital and cash Payments to Acquire Businesses, Gross, Working Capital Payments to Acquire Businesses, Gross, Working Capital Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Unit-based compensation Noncontrolling Interest, Increase From Share Based Compensation Arrangement Noncontrolling Interest, Increase From Share Based Compensation Arrangement Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Summary of Crypto Platform Operator, Crypto-Asset [Table Text Block] Goodwill and Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Unrecognized tax benefits Unrecognized Tax Benefits PEO Name PEO Name Other Other Sundry Liabilities, Current Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Warrants outstanding (in shares) Class of Warrant or Right, Outstanding Granted (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Restricted cash Restricted Cash, Current Schedule of Goodwill Schedule of Goodwill [Table Text Block] Prepaid insurance Prepaid Insurance Purchase obligation term (in years) Long-Term Purchase Commitment, Period Service Fees Service Fees [Member] Service Fees Net cash provided by (used in) operating activities Cash consumed in operations Net Cash Provided by (Used in) Operating Activities Class of Stock [Axis] Class of Stock [Axis] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Other Other Accrued Liabilities, Current Gain (loss) from change in fair value of warrant liability (Gain) loss from change in fair value of warrant 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