Stock owned Stock Owned Percentage Stock Owned, Percentage Increase (Decrease) In Limited Liability Company (LLC) Members' Equity [Roll Forward] Increase (Decrease) In Limited Liability Company (LLC) Members' Equity [Roll Forward] Increase (Decrease) In Limited Liability Company (LLC) Members' Equity Tranche Two Tranche Two [Member] Tranche Two Member. Business Acquisition [Axis] Business Acquisition [Axis] Revenue Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period Purchase commitment, energy volume required per day (in dekatherm) Long-Term Purchase Commitment, Minimum Energy Volume Required Per Day Long-Term Purchase Commitment, Minimum Energy Volume Required Per Day Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Foreign Current Foreign Tax Expense (Benefit) Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Amount paid by insurance agent Litigation Settlement, Amount Paid By Insurance Agent Litigation Settlement, Amount Paid By Insurance Agent Related Party Transactions [Abstract] Related Party Transactions [Abstract] Digital assets Digital Assets Digital assets. Decrease in price of bitcoin Increase (Decrease) in Price of Digital Assets, Percentage Increase (Decrease) in Price of Digital Assets, Percentage Deferred tax assets Deferred Income Tax Assets, Net Debt outstanding Total Long-Term Debt, Gross Number of renewal options Debt Instrument, Number Of Renewal Options Debt Instrument, Number Of Renewal Options Assets: Disposal Group, Including Discontinued Operation, Assets [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Issuance of shares, net of issuance costs Stock Issued During Period Value Net Of Issuance Cost Stock issued during period value net of issuance cost Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding 2024 Long-Term Debt, Maturity, Year Two Greenidge Blocker Corp Greenidge Blocker Corp [Member] Greenidge blocker corp. Trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Debt Instrument [Axis] Debt Instrument [Axis] Property, plant and equipment, gross Property, Plant and Equipment, Gross Issuance of shares for investor fee associated with successful completion of Merger (Note 7) (in shares) Stock Issued During Period Shares For Investor Fee Associated Merger Stock Issued During Period Shares for investor fee associated Merger Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Fair value of debt Debt Instrument, Fair Value Disclosure Prepaid expenses and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Property and equipment Deferred Tax Liabilities, Property, Plant and Equipment Additional paid-in capital Additional Paid in Capital INVESTING ACTIVITIES FROM CONTINUING OPERATIONS: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Equity [Axis] Equity [Axis] Equity [Axis]. Equity Incentive Plan Equity Incentive Plan [Member] Equity Incentive Plan. Revenue Disposal Group, Including Discontinued Operation, Revenue Financial Instruments [Domain] Financial Instruments [Domain] Other long-term assets Other Long Term Assets Other long term assets. Emissions and carbon offset credits Emissions And Carbon Offset Credits Emissions and carbon offset credits. Statistical Measurement [Domain] Statistical Measurement [Domain] Depreciation expense Depreciation Proceeds from stock options exercised (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Total net deferred tax assets Deferred Tax Assets, Net Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Interest Rate Debt instrument, interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Estimated Value of the Consideration Paid Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Debt Instrument, Redemption, Period Three Debt Instrument, Redemption, Period Three [Member] Number of shares issued in exchange for acquisition of ownership interests Stock Issued During Period, Shares, Acquisitions U.S. Domestic Tax Authority [Member] Other non-cash affecting net income Other Noncash Income (Expense) State Current State and Local Tax Expense (Benefit) Master Equipment Finance Agreement, Post-Closing Covenant Master Equipment Finance Agreement, Post-Closing Covenant [Member] Master Equipment Finance Agreement, Post-Closing Covenant Antidilutive securities excluded from computation of earnings per share amount (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Document Information [Line Items] Document Information [Line Items] Minimum Future Principal Payments on Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Prepaid insurance Prepaid Insurance Net cash flow from operating activities of discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Equity Component [Domain] Equity Component [Domain] Proceeds from common stock purchase agreement Proceeds From Common Stock Purchase Agreement Proceeds From Common Stock Purchase Agreement Emissions expense Emissions Expense Emissions expense. Subsequent Event Type [Domain] Subsequent Event Type [Domain] Scenario [Axis] Scenario [Axis] Secured Debt Secured Debt [Member] Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount (Loss) gain on sale of digital assets Gain (Loss) On Sale Of Digital Assets Gain (Loss) On Sale Of Digital Assets Shares based payment arrangement, vesting rights percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Related Party [Domain] Related Party [Domain] Tranche [Axis] Tranche [Axis] Tranche [Axis]. Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Cumulative translation adjustment Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Plan Name [Axis] Plan Name [Axis] Liabilities: Disposal Group, Including Discontinued Operation, Liabilities [Abstract] Prinipal and interest payable, current Debt, Prinipal And Interest Payable, Current Debt, Prinipal And Interest Payable, Current (Loss) earnings per diluted share from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Weighted average exercise price per share, forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Tranche [Domain] Tranche [Domain] Tranche. Number of operating segments Number of Operating Segments Deferred tax provision: Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract] Plan Name [Domain] Plan Name [Domain] Merger and other costs Disposal Group, Including Discontinued Operation, Merger And Other Costs Disposal Group, Including Discontinued Operation, Merger And Other Costs Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Increase in coal combustion residual liabilities due to closure of a coal ash pond Accrual for Environmental Loss Contingencies, Revision in Estimates Entity Address, State or Province Entity Address, State or Province Outstanding, weighted average remaining contractual life Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Price per share sold in private placement (in dollars per share) Shares Issued, Price Per Share Award Type [Axis] Award Type [Axis] Area of land Area of Land Emissions Expense and Credits Environmental Cost, Expense Policy [Policy Text Block] Stock issued to purchase miners Stock Issued During Period, Value, Purchase of Assets Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Related Party Transaction [Domain] Related Party Transaction [Domain] Proceeds from divestiture of business Proceeds from Divestiture of Businesses Warrant to purchase (in shares) Warrant To Purchase Of Common Stock Warrant To Purchase Of Common Stock Number of votes Preferred Units, Voting Rights, Number Of Votes Preferred Units, Voting Rights, Number Of Votes Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Document Annual Report Document Annual Report Total liabilities Liabilities Discontinued Operations: Net Cash Provided by (Used in) Discontinued Operations [Abstract] Proceeds from sale of assets Proceeds from Sale of Productive Assets Geographical [Axis] Geographical [Axis] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Proceeds from sale of preferred stock, net of stock issuance costs/Shares issued to Support.com shareholders upon Merger, net of issuance costs Stock Issued During Period, Value, New Issues Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Risks and Uncertainties [Abstract] Risks and Uncertainties [Abstract] Number of shares converted Conversion of Stock, Shares Converted Summary of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Document Type Document Type Weighted Average Exercise Price Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Estimated useful lives Property, Plant and Equipment, Useful Life Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] RSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Long-term assets held for sale Long-term assets held for sale Disposal Group, Including Discontinued Operation, Assets, Noncurrent Income taxes payable and receivable Increase (Decrease) In Income Taxes Payable And Receivable, Net Increase (Decrease) In Income Taxes Payable And Receivable, Net Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Unvested, beginning balance (in dollars per share) Unvested, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value DEBT Debt Disclosure [Text Block] Total Members' Capital Member Units [Member] Conversion of preferred stock Stock Issued During Period, Value, Conversion of Units Asset Acquisition [Axis] Asset Acquisition [Axis] Product and Service [Domain] Product and Service [Domain] OPERATING ACTIVITIES FROM CONTINUING OPERATIONS: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Entity Shell Company Entity Shell Company Common Class B Common Class B [Member] Deferred income taxes Total deferred tax provision Deferred Income Tax Expense (Benefit) Accrued expenses Increase (Decrease) in Accrued Liabilities Concentration Risk [Table] Concentration Risk [Table] Financial Instrument [Axis] Financial Instrument [Axis] 2025 Long-Term Debt, Maturity, Year Three Equipment Finance Agreement Equipment Finance Agreement [Member] Equipment finance agreement. Sales Revenue Net Revenue Benchmark [Member] Subsequent Event Subsequent Event [Member] Document Period End Date Document Period End Date Support acquisition Disposal Group, Including Discontinued Operation, Goodwill Acquired During Period Disposal Group, Including Discontinued Operation, Goodwill Acquired During Period Impairment charge Impairment charge Disposal Group, Including Discontinued Operation, Impairment Of Intangible Assets, Finite-Lived Disposal Group, Including Discontinued Operation, Impairment Of Intangible Assets, Finite-Lived Purchases of and deposits for property and equipment Payments To Acquire Property And Equipment Payments to acquire property and equipment. Aggregate principal amount loan Secured Debt, Current Total assets Assets Accounts payable Disposal Group, Including Discontinued Operation, Accounts Payable, Current Debt Disclosure [Abstract] Debt Disclosure [Abstract] Net cash flow provided by financing activities from continuing operations Net Cash Provided by (Used in) Financing Activities, Continuing Operations Earnings Per Share [Abstract] Earnings Per Share [Abstract] Miner Equipment Note B Miner Equipment Note B [Member] Miner equipment note B member. Accounts Receivable Accounts Receivable [Policy Text Block] Financial Institution [Axis] Financial Institution [Axis] Financial Institution [Axis] Income Statement Location [Axis] Income Statement Location [Axis] Equity [Domain] Equity [Domain] Equity [Domain]. Discount on consideration received Sale Of Stock, Discount On Consideration Received, Percentage Sale Of Stock, Discount On Consideration Received, Percentage Accrued expenses Accrued Liabilities, Current Coal ash impoundment Coal Ash Impoundment [Member] Coal ash impoundment. Weighted average exercise price per share, exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Numerator Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Audit Information [Abstract] Audit Information [Abstract] Number of locations where facilities are owned and operated Number Of Locations Where Facilities Are Owned And Operated Number Of Locations Where Facilities Are Owned And Operated Cash balance (in excess) Debt Instrument, Covenant, Cash Balance Debt Instrument, Covenant, Cash Balance (Loss) income from continuing operations before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest STOCKHOLDERS' EQUITY: Stockholders' Equity Attributable to Parent [Abstract] Prepaid expenses and other assets Prepaid Expense and Other Assets, Current EARNINGS PER SHARE Earnings Per Share [Text Block] Customer [Axis] Customer [Axis] Other Deferred Tax Liabilities, Other Weighted Average Assumptions Relating to the Valuation of Stock Options Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Transaction costs after tax Transaction Costs After Tax transaction costs after tax Related Party Transaction [Line Items] Related Party Transaction [Line Items] Components of Provision (Benefit) Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Award Type [Domain] Award Type [Domain] Weighted average vesting period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Remeasurement of environmental liability Gain (Loss) on Extinguishment of Debt Exercisable, weighted average remaining contractual life as of end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Depreciation and amortization Disposal Group, Including Discontinued Operation, Depreciation and Amortization Net cash flow from investing activities of discontinued operations Cash Provided by (Used in) Investing Activities, Discontinued Operations Net operating loss carryforwards, subject to expiration Operating Loss Carryforwards, Subject To Expiration Operating Loss Carryforwards, Subject To Expiration Income tax receivable Income Taxes Receivable, Current Greenidge And Noteholder Greenidge And Noteholder [Member] Greenidge And Noteholder [Member] Basis of Presentation and Principles of Consolidation Basis Of Presentation And Principles Of Consolidation Policy [Policy Text Block] Basis of presentation and principles of consolidation [policy text block]. FINANCING ACTIVITIES FROM CONTINUING OPERATIONS: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Entity Registrant Name Entity Registrant Name Preferred stock, convertible, conversion ratio Preferred Stock, Convertible, Conversion Ratio Revised principal and interest payment, triggered once specified debt has been prepaid Debt Instrument, Periodic Payment, Amount, Triggered Once Threshold Has Been Prepaid Debt Instrument, Periodic Payment, Amount, Triggered Once Threshold Has Been Prepaid Proceeds from sale of preferred stock, net of stock issuance costs/Shares issued to Support.com shareholders upon Merger, net of issuance costs (in shares) Number of shares sold in private placement Stock Issued During Period, Shares, New Issues Purchase of stock by counterparty Debt Instrument, Purchase Of Stock By Counterparty Debt Instrument, Purchase Of Stock By Counterparty Loss per basic share from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share SUBSEQUENT EVENTS Subsequent Events [Text Block] Supplier Concentration Risk Supplier Concentration Risk [Member] Additional common stock issued Additional Common Stock Value Issued Additional Common Stock Value Issued Selling, general and administrative Disposal Group, Including Discontinued Operation, Selling, General And Administrative Expense Disposal Group, Including Discontinued Operation, Selling, General And Administrative Expense Environmental liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies Amended principal amount Amended Principal Amount Amended Principal Amount. Software Software Development [Member] Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Cumulative Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Customer relationships Customer Relationships [Member] Redemption percentage Debt Instrument Redeem Percentage Debt Instrument Redeem Percentage Entity Address, City or Town Entity Address, City or Town Other income, net Other Nonrecurring (Income) Expense Proceeds from sale of real estate property to paydown debt Debt Instrument, Proceeds From Sale Of Real Estate Property To Paydown Debt Debt Instrument, Proceeds From Sale Of Real Estate Property To Paydown Debt Accrued emissions expense Accrued Utilities, Current Cash, Cash Equivalents, and Short Term Investments Cash Cash Equivalents And Investments Policy [Policy Text Block] Cash, Cash Equivalents, and Investments [Policy Text Block] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Renewal term Debt Instrument, Renewal Term Debt Instrument, Renewal Term Senior Priority Units Limited Liability Company Senior Priority Unit [Member] Limited liability company senior priority unit member. Interest expense, net Interest Expenses Interest expenses. Minimum Minimum [Member] Impairment of digital assets Impairment Of Digital Assets Impairment Of Digital Assets Plant infrastructure Plant Infrastructure [Member] Plant infrastructure. Restricted stock unit awards settled in cash for taxes Restricted stock unit awards settled in cash for taxes Restricted stock unit awards settled in cash for taxes Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Aggregate debt to be prepaid to reduce periodic payment Debt Instrument, Aggregate Debt To Be Prepaid To Reduce Periodic Payment Debt Instrument, Aggregate Debt To Be Prepaid To Reduce Periodic Payment Common stock, par value (in dollars per share) Greenidge common stock value per share (in dollars per share) Common Stock, Par or Stated Value Per Share Maximum aggregate consideration to be received on transaction Sale Of Stock, Maximum Aggregate Consideration To be Received On Transaction Sale Of Stock, Maximum Aggregate Consideration To be Received On Transaction Environmental Liability Environmental Trust Liability Policy [Policy Text Block] Environmental trust liability. Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill (Loss) earnings per basic share: Earnings Per Share, Basic EPS [Abstract] Earnings Per Share, Basic EPS Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Auditor Name Auditor Name Net operating loss carryforwards Operating Loss Carryforwards Trading Symbol Trading Symbol Entity File Number Entity File Number (Loss) earnings per diluted share: Earnings Per Share, Diluted EPS [Abstract] Earnings Per Share, Diluted EPS Secured Promissory Note Secured Promissory Note [Member] Secured Promissory Note Additional common stock issued (in shares) Additional Common Stock Shares Issued Additional Common Stock Shares Issued Equipment Equipment [Member] Foreign Deferred Foreign Income Tax Expense (Benefit) Disposal Group Classification [Axis] Disposal Group Classification [Axis] Title of Individual [Axis] Title of Individual [Axis] Capitalized costs Deferred Tax Assets, Tax Deferred Expense, Other Disposal Group, Including Discontinued Operation, Goodwill [Roll Forward] Disposal Group, Including Discontinued Operation, Goodwill [Roll Forward] Disposal Group, Including Discontinued Operation, Goodwill Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Shares based payment arrangement, equity instrument other than option, granted in period (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Effective income tax rate as a percentage Effective Income Tax Rate Reconciliation, Percent Net proceeds from new line of credit (at least) Proceeds from Lines of Credit Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Accrued expenses and other current liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accrued Expenses And Other Current Liabilities Business combination, recognized identifiable assets acquired and liabilities assumed, accrued expenses and other current liabilities Use of estimates Use of Estimates, Policy [Policy Text Block] Miners Miners [Member] Miners. Amended Equity Purchase Agreements Amended Equity Purchase Agreements [Member] Amended Equity Purchase Agreements Accounts payable Increase (Decrease) in Accounts Payable Total consideration Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Master Equipment Finance Agreement Master Equipment Finance Agreement [Member] Master Equipment Finance Agreement [Member] Cryptocurrency Datacenter Cost of Revenue Cryptocurrency Datacenter Cost of Revenue [Policy Text Block] Cryptocurrency Datacenter Cost of Revenue [Policy Text Block] Concentration risk percentage Concentration Risk, Percentage Subsequent Events [Abstract] Subsequent Events [Abstract] Revenues Revenues Accrued expenses Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current Sale of stock, period Sale Of Stock, Period Sale Of Stock, Period Pro forma net loss Business Acquisition, Pro Forma Net Income (Loss) INCOME TAXES Income Tax Disclosure [Text Block] Net (loss) income from continuing operations attributable to Greenidge Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Principal and interest amount due Debt Instrument, Periodic Payment State Deferred State and Local Income Tax Expense (Benefit) Empire Pipeline Incorporated Empire Pipeline Incorporated [Member] Empire Pipeline Incorporated. Credit Facility [Domain] Credit Facility [Domain] Long-term liabilities held for sale Long-term liabilities held for sale Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Total identifiable intangible assets, fair value Intangible Assets, Gross (Excluding Goodwill) Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Total operating costs and expenses Operating Costs and Expenses (Loss) earnings per basic share (in dollars per share) Earnings Per Share, Basic Property and equipment Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent Liabilities held for sale Disposal Group, Including Discontinued Operation, Liabilities Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Concentration Risk Type [Domain] Concentration Risk Type [Domain] Refinanced 2021 and 2022 Master Equipment Finance Agreement Refinanced 2021 and 2022 Master Equipment Finance Agreement [Member] Refinanced 2021 and 2022 Master Equipment Finance Agreement Shares issued upon exercise of warrants (in shares) Share Issued Upon Exercise Of Warrants Shares Share issued upon Exercise Of Warrants, Shares Total stockholders' equity Stockholders' equity, beginning balance Stockholders equity, ending balance Stockholders' Equity Attributable to Parent Prepaid expenses and other assets Prepaid Expense, Current Number of digital assets (in bitcoin) Number Of Digital Assets Number of digital assets. Other Deferred Tax Assets, Other Number of votes Common Stock, Voting Rights, Number Of Votes Common Stock, Voting Rights, Number Of Votes Entity Interactive Data Current Entity Interactive Data Current Number of shares issued in transaction Sale of Stock, Number of Shares Issued in Transaction Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Cryptocurrency datacenter Cryptocurrency Datacenter [Member] Cryptocurrency datacenter member 2027 Long-Term Debt, Maturity, Year Five Discount on consideration received, triggering event achieved Sale Of Stock, Triggering Event Achieved, Discount On Consideration Received, Percentage Sale Of Stock, Triggering Event Achieved, Discount On Consideration Received, Percentage Proceeds from sale of short term investments Proceeds from Sale of Short-Term Investments Gain on sale of digital assets Gain (Loss) On Sale Of Digital Assets1 Gain (Loss) On Sale Of Digital Assets1 Members' capital, senior priority units, beginning balance (in shares) Members' capital, senior priority units, ending balance (in shares) Limited Liability Company L L C Senior Priority Unit Outstanding Number of senior priority units of ownership outstanding of a limited liability company (LLC). Common Stock Common Stock Common Stock [Member] Discontinued Operations Discontinued Operations, Policy [Policy Text Block] Restricted shares award issuance, net of withholdings (in shares) Restricted shares award issuance, net of withholdings, shares Restricted shares award issuance, net of withholdings, shares Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] Number of reportable segments Number of Reportable Segments Consideration paid Consideration paid Business Combination, Contingent Consideration, Liability Class of Stock [Axis] Class of Stock [Axis] Income Taxes Income Tax, Policy [Policy Text Block] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Statement [Table] Statement [Table] Series Of Individually Immaterial Asset Acquisitions Series of Individually Immaterial Asset Acquisitions [Member] Disposal Groups, Including Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Current tax provision: Current Federal, State and Local, Tax Expense (Benefit) [Abstract] Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Interest rate Debt Instrument, Interest Rate, Effective Percentage Stock split related to exchange for acquisition of ownership interests (in shares) Stock Issued During Period, Shares, Stock Splits Letter of Credit Letter of Credit [Member] Investment in partnership Deferred Tax Liabilities, Investments Dilutive effect of equity awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements Discontinued Operations and Disposal Groups [Abstract] CURRENT ASSETS: Assets, Current [Abstract] Restricted shares award issuance, net of withholdings Restricted shares award issuance, net of withholdings Restricted shares award issuance, net of withholdings Statistical Measurement [Axis] Statistical Measurement [Axis] Asset Acquisition [Domain] Asset Acquisition [Domain] Equipment Note L Equipment Note L [Member] Equipment Note L [Member] SUPPLEMENTAL BALANCE SHEET AND CASH FLOW INFORMATION Additional Financial Information Disclosure [Text Block] One Major Customer One Major Customer [Member] One major customer. Related Party Transaction [Axis] Related Party Transaction [Axis] Accumulated deficit Retained Earnings (Accumulated Deficit) Disposal Group Name [Axis] Disposal Group Name [Axis] Shares based payment arrangement, shares purchased for award (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Purchased for Award Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Equity Components [Axis] Equity Components [Axis] Scenario [Domain] Scenario [Domain] Proceeds from issuance of private placement Proceeds from Issuance of Private Placement Exercisable, weighted average exercise price per share as of end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Weighted average exercise price per share, expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Document Fiscal Year Focus Document Fiscal Year Focus Discount on consideration received, triggering event, amount Sale Of Stock, Discount On Consideration Received, Triggering Event, Amount Sale Of Stock, Discount On Consideration Received, Triggering Event, Amount Statement [Line Items] Statement [Line Items] Repayments of finance lease obligations Finance Lease, Principal Payments Unvested, beginning balance (in shares) Unvested, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Merger Agreement Merger Agreement [Member] Merger Agreement [Member] Total other expense, net Nonoperating Income (Expense) Selling, general and administrative Selling, General and Administrative Expense Loss Contingencies [Table] Loss Contingencies [Table] Total current tax (benefit) provision Current Income Tax Expense (Benefit) Members' capital, beginning balance Members' capital, ending balance Members' Capital Accumulated Deficit AOCI Attributable to Parent [Member] Valuation of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Auditor Firm ID Auditor Firm ID Document Transition Report Document Transition Report Local Phone Number Local Phone Number Stock Options Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Contribution of Preferred Units, Senior Priority Units, and notes payable to related party for Greenidge class B common stock (Note 7) (in shares) Contribution of GGH Preferred Units, GGH Senior Priority Units, and notes payable to related party for GGHI Common Stock (in shares) Number Of Units And Notes Payable Contributed In Exchange For Common Stock Number of units and notes payable contributed in exchange for common stock. Operating (loss) income from operations Operating loss Operating Income (Loss) Number of tranches Number Of Tranche Number of tranche. Recent Accounting Pronouncements, Adopted New Accounting Pronouncements, Policy [Policy Text Block] 2021 Equity Plan Two Thousand And Twenty One Equity Plan [Member] 2021 Equity Plan [Member] Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Noncash Investing and Financing Activities Schedule of Noncash or Part Noncash Acquisitions [Table Text Block] Purchase of stock by counterparty, price per share (in dollars per share) Debt Instrument, Purchase Of Stock By Counterparty, Price Per Share Debt Instrument, Purchase Of Stock By Counterparty, Price Per Share Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Document Information [Table] Document Information [Table] State State and Local Jurisdiction [Member] Miner deposits Mining Properties and Mineral Rights [Member] Average Shares Outstanding Denominator Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Goodwill Goodwill Common stock, convertible, conversion ratio Common Stock, Convertible, Conversion Ratio Common Stock, Convertible, Conversion Ratio Income tax provision (benefit) Discontinued Operation, Tax Effect of Discontinued Operation Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Total Debt Notes Payable Adjustments to reconcile net loss from continuing operations to net cash flow from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Provision for income taxes Total provision for income taxes Income Tax Expense (Benefit) Geographical [Domain] Geographical [Domain] Deferred tax assets, valuation allowance Less: valuation allowance Deferred Tax Assets, Valuation Allowance Property and Equipment, net Property, Plant and Equipment, Policy [Policy Text Block] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Income Statement [Abstract] Income Statement [Abstract] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Entity Public Float Entity Public Float Federal Deferred Federal Income Tax Expense (Benefit) Impairment of long-lived assets Impairment, Long-Lived Asset, Held-for-Use Additional Paid - In Capital Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus (Loss) earnings per basic share: Earnings Per Share, Basic [Abstract] Legal contingency receivable Loss Contingency, Receivable Diluted (in shares) Diluted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment CONCENTRATIONS Concentration Risk Disclosure [Text Block] Expected term (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Loss Contingencies [Line Items] Loss Contingencies [Line Items] Maximum class A common stock and class B common stock shares in excess of the exchange cap Maximum Class A Common Stock And Class B Common Stock Shares In Excess Of The Exchange Cap Maximum class A common stock and class B common stock shares in excess of the exchange cap Long-term debt, current portion Less: Current portion Notes Payable, Current ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Tranche One Tranche One [Member] Tranche One Member. Common stock, par value $0.0001, 3,000,000,000 shares authorized, 46,252,779 and 40,865,336 shares issued and outstanding as of December 31, 2022 and 2021, respectively Common stock Common Stock, Value, Issued Loss per diluted share from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Miner facility infrastructure Miner Facility [Member] Miner facility. Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Preferred Stock Preferred Stock Preferred Stock [Member] Shares issued upon exercise of warrants Shares Issued Upon Exercise Of Warrants Value Shares issued upon Exercise Of Warrants Value Number of shares registered Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Registered Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Registered 8.50% Senior Notes due 2026 Senior Notes Senior Notes [Member] Fair market value of the awards granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Fair Value Share based compensation arrangement by share based payment award equity instruments other than options grants in period fair value. 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Hosting agreement, termination permissible by either party upon false or misleading information, period Hosting Agreement, Termination Permissible By Either Party Upon False Or Misleading Information, Period Hosting Agreement, Termination Permissible By Either Party Upon False Or Misleading Information, Period Agreement [Axis] Agreement [Axis] Agreement. Income Statement Location [Domain] Income Statement Location [Domain] Amendment Flag Amendment Flag Useful Life Finite-Lived Intangible Asset, Useful Life Initial Financing Aggregate principal amount Debt Instrument, Face Amount Power and Capacity Cost of Revenue Power And Capacity Cost Of Revenue Policy [Policy Text Block] Power and capacity cost of revenue [policy text block]. Limited guaranty payment Guarantor Obligations, Current Carrying Value Contribution of GGH Common Units for Greenidge class B common stock (Note 7) (in shares) Number Of Common Units Contributed In Exchange For Common Stock Number of common units contributed in exchange for common stock. Share-Based Payment Arrangement, Disclosure [Abstract] Bitcoin holdings at fair value Digital Assets, Fair Value Digital Assets, Fair Value Net cash flow (used for) provided by operating activities from continuing operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations MERGER WITH SUPPORT.COM Mergers, Acquisitions and Dispositions Disclosures [Text Block] Net cash flow used for investing activities from continuing operations Net Cash Provided by (Used in) Investing Activities, Continuing Operations Construction in process Construction in Progress [Member] Impairment of long-lived assets Impairment of Long-Lived Assets to be Disposed of Entity Current Reporting Status Entity Current Reporting Status Schedule Of Earnings Per Share Basic By Common Class [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Other short-term liabilities Other Liabilities, Current Transaction costs Business Acquisition Proforma Costs business acquisition proforma costs Loss from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Accrued emissions expense Increase (Decrease) In Accrued Emissions Expense Increase (Decrease) In Accrued Emissions Expense Exercisable as of end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Prepaid expenses and other current assets Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current Principal payments on debt Repayments of Notes Payable Effective income tax rate from discontinuted operations Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Common Stock Purchase Agreement and Registration Rights Agreement Common Stock Purchase Agreement And Registration Rights Agreement [Member] Common Stock Purchase Agreement and Registration Rights Agreement Secured Promissory Note Bridge Promissory Note [Member] Bridge Promissory Note [Member] OPERATING COSTS AND EXPENSES: Operating Costs and Expenses [Abstract] Preliminary Allocation of the Purchase Price to the Identifiable Assets Acquired and Liabilities Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Shares outstanding (in shares) Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Less: Debt discount and issue costs Unamortized discounts and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Exchange ratio Righttoreceivecommonstockexchangeratio RighttoReceiveCommonStockExchangeRatio Debt, voluntary, paid-in-kind Debt Instrument, Voluntary Prepayment, Paid-In-Kind Debt Instrument, Voluntary Prepayment, Paid-In-Kind Schedule Of Stock By Class [Table] Schedule of Stock by Class [Table] Intangible assets (including goodwill) Intangible Assets, Net (Including Goodwill) Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Electric deposits Prepaid Expense, Electric Deposits, Current Prepaid Expense, Electric Deposits, Current Share-based Payment Arrangement, Option Share-Based Payment Arrangement, Option [Member] Title of Individual [Domain] Title of Individual [Domain] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Miner Equipment Note E And H Miner Equipment Note E And H [Member] Miner equipment note E and H member. Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Proceeds from stock options exercised Stock Issued During Period, Value, Stock Options Exercised Total debt at book value Long-Term Debt Interest Expense Limitation Carryforward Deferred Tax Asset, Interest Carryforward Support common stock exchanged (in shares) Commonstockexchangedamount CommonStockExchangedAmount Common stock, authorized (in shares) Common Stock, Shares Authorized Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Borrowed amount partially funded Borrowed Amount Partially Funded Borrowed amount partially funded. Income taxes payable Accrued Income Taxes, Current LONG-TERM ASSETS: Assets, Noncurrent [Abstract] Maximum Maximum [Member] Class A Common Stock, $0.0001 par value Class A Common Stock Common Class A [Member] Schedule Of Business Acquisitions By Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Increase in cash and cash equivalents from discontinued operations Net Cash Provided by (Used in) Discontinued Operations Total current assets Assets, Current Cash paid for taxes Income Taxes Paid, Net Disclosure Of Compensation Related Costs Sharebased Payments [Line Items] Disclosure Of Compensation Related Costs Sharebased Payments [Line Items] Disclosure Of Compensation Related Costs Sharebased Payments [Line Items] Purchase commitment per month Contractual Obligation Per Month Amount Contractual obligation per month amount. Business Acquisition [Line Items] Business Acquisition [Line Items] Entity Small Business Entity Small Business Tranche value Partners' Capital Account, Exchanges and Conversions Stockholders' equity, beginning balance (in shares) Stockholders' equity ending balance (in shares) Shares, Outstanding STOCKHOLDERS’ EQUITY Stockholders' Equity Note Disclosure [Text Block] Debt sold Senior Notes REVENUE: Revenues [Abstract] Other income, net Disposal Group, Including Discontinued Operation, Other Income Net (loss) income from continuing operations Net (loss) income from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Issuance of shares for investor fee associated with successful completion of Merger (Note 7) Issuance of shares for investor fee associated with successful completion of Merger Stock Issued During Period Value For Investor Fee Associated Merger Stock Issued During Period Value for Investor Fee Associated Merger Unrecognized compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Support Com Support Com [Member] Support com member. Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] PROPERTY AND EQUIPMENT, NET Property, Plant and Equipment Disclosure [Text Block] Supplemental Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Short term investments Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities Disclosure Of Compensation Related Costs Sharebased Payments [Table] Disclosure Of Compensation Related Costs Sharebased Payments [Table] Disclosure Of Compensation Related Costs Sharebased Payments [Table] Outstanding, aggregate intrinsic value as of beginning period Outstanding, aggregate intrinsic value as of end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Hosting agreement, termination permissible by either party upon default, period Hosting Agreement, Termination Permissible By Either Party Upon Default, Period Hosting Agreement, Termination Permissible By Either Party Upon Default, Period Annual inflation rate on environmental liability related to landfill Accrued Capping, Closure, Post-Closure And Environmental Costs, Noncurrent, Annual Inflation Rate Accrued Capping, Closure, Post-Closure And Environmental Costs, Noncurrent, Annual Inflation Rate Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Accounts receivable Increase (Decrease) in Accounts Receivable Title of 12(b) Security Title of 12(b) Security Operator Customer One Operator Customer [Member] Operator customer. Other long-term liabilities Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent ORGANIZATION AND DESCRIPTION OF BUSINESS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Miner Equipment Note C Miner Equipment Note C [Member] Miner equipment note C member. Consolidated Entities [Axis] Consolidated Entities [Axis] Interest rate bearing Subordinated Borrowing, Interest Rate Short-term investments Short-Term Investments Net cash flow from financing activities of discontinued operations Cash Provided by (Used in) Financing Activities, Discontinued Operations Purchase price of the property Asset Acquisition, Price of Acquisition, Expected Agreement [Domain] Agreement [Domain] Agreement. Subsequent Event [Line Items] Subsequent Event [Line Items] Repayments of lines of credit Repayments of Lines of Credit Debt Instrument [Line Items] Debt Instrument [Line Items] Business Combination and Asset Acquisition [Abstract] Class Of Stock [Line Items] Class of Stock [Line Items] Greenidge Common Stock Greenidge Common Stock [Member] Greenidge Common Stock [Member] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Goodwill and intangibles asset impairment charge Disposal Group, Including Discontinued Operation, Intangible Impairment Including Goodwill Disposal Group, Including Discontinued Operation, Intangible Impairment Including Goodwill Underwriter compensation, percentage of gross stock sales Sale Of Stock, Underwriter Compensation, Percentage Of Gross Stock Sales Sale Of Stock, Underwriter Compensation, Percentage Of Gross Stock Sales Total net deferred tax assets Deferred Tax Liabilities, Net LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Weighted average exercise price per share, granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Stock issued to purchase miners (in shares) Stock Issued During Period, Shares, Purchase of Assets Settlement amount Litigation Settlement, Amount Awarded to Other Party Property and equipment purchases in accounts payable Property And Equipment Purchases In Accounts Payable Property and equipment purchases in accounts payable. 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Environmental liability Accrual for Environmental Loss Contingencies (Loss) earnings per basic share from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share 2026 Long-Term Debt, Maturity, Year Four Auditor Location Auditor Location Entity Filer Category Entity Filer Category Proceeds from issuance of common stock, net of issuance costs Proceeds from Issuance of Common Stock Basic (in shares) Basic weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Federal Current Federal Tax Expense (Benefit) Amendment fee, paid-in-kind Debt Instrument, Amendment Fee, Paid-In-Kind Debt Instrument, Amendment Fee, Paid-In-Kind Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Common Stock Options Common Stock Options1 [Member] Common stock options member. Recorded legal liability Loss Contingency Accrual Intangible assets, net Intangible assets, beginning balance Intangible assets, ending balance Disposal Group, Including Discontinued Operation, Intangible Assets, Noncurrent Stock-based compensation expense Share-Based Payment Arrangement, Expense COMMITMENTS AND CONTINGENCIES (NOTE 11) Commitments and Contingencies Security Exchange Name Security Exchange Name Weighted average exercise price per share, beginning balance (in dollars per share) Weighted average exercise price per share, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Purchase commitment, termination notice period Long-Term Purchase Commitment, Termination Notice Period Long-Term Purchase Commitment, Termination Notice Period Gain on sale of assets Gain (Loss) on Disposition of Assets Interest expense - related party Interest Expense, Related Party Short-term environmental liability Environmental Trust Liability, Current Environmental Trust Liability, Current Preferred stock, par value $0.0001, 20,000,000 shares authorized, none outstanding Preferred Stock, Value, Issued Current assets held for sale Current assets held for sale Disposal Group, Including Discontinued Operation, Assets, Current Other long-term liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Equipment Financing Agreements Schedule of Debt [Table Text Block] Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Number of shares converted Stock Issued During Period, Shares, Conversion of Convertible Securities Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Digital Assets Goodwill and Intangible Assets, Intangible Assets, Indefinite-Lived, Policy [Policy Text Block] Common stock reserved for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance LONG-TERM LIABILITIES: Liabilities, Noncurrent [Abstract] Cover [Abstract] Cover [Abstract] Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Entity Voluntary Filers Entity Voluntary Filers Fair market value of award, options granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Fair Value Share based compensation arrangement by share based payment award options grants in period fair value. 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Long-term debt, net of current portion and deferred financing fees Notes Payable, Noncurrent Deferred tax assets, net Deferred Tax Assets, Net of Valuation Allowance Unvested Restricted Common Stock Unit Awards Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Entity Ex Transition Period Entity Ex Transition Period DISCONTINUED OPERATIONS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Share based compensation arrangement, expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Master Equipment Financing Agreement Master Equipment Financing Agreement [Member] Master Equipment Financing Agreement [Member] OTHER INCOME (EXPENSE), NET: Nonoperating Income (Expense) [Abstract] Hosting agreement, period Hosting Agreement, Period Hosting Agreement, Period Proceeds from issuance of preferred stock, net of issuance costs Proceeds from Issuance of Preferred Stock and Preference Stock Entity Address, Address Line Two Entity Address, Address Line Two Contribution of Preferred Units, Senior Priority Units, and notes payable to related party for Greenidge class B common stock Contribution Of Preferred Units Senior Priority Units And Notes Payable To Related Party For Greenidge Class B Common Stock Contribution of Preferred Units, Senior Priority Units, and notes payable to related party for Greenidge class B common stock. 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Greenidge Generation Holdings Inc Greenidge Generation Holdings Inc [Member] Greenidge generation holdings inc [Member]. 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Fixed Assets Deferred Tax Assets, Property, Plant and Equipment Entity Central Index Key Entity Central Index Key GGHI Class B Common Stock Gghi Class B Common Stock [Member] GGHI Class B Common Stock [Member] Repayments of secured debt Repayments of Secured Debt Miner Equipment Note J Miner Equipment Note J [Member] Miner equipment note J member. 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Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Selling, General, and Administrative Expenses Selling, General and Administrative Expenses, Policy [Policy Text Block] Amortization expense Disposal Group, Including Discontinued Operation, Amortization Of Intangible Assets Disposal Group, Including Discontinued Operation, Amortization Of Intangible Assets Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] (Loss) income from continuing operations before taxes Income (Loss) From Continuing Operations Before Income Taxes, Including Nonconrolling Interest Income (Loss) From Continuing Operations Before Income Taxes, Including Nonconrolling Interest Sale of Stock [Axis] Sale of Stock [Axis] Other prepaid expenses Other Prepaid Expense, Current (Benefit) provision at federal statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Recent Accounting Pronouncements Not Yet Adopted Recent Accounting Pronouncements Not Yet Adopted Policy [Policy Text Block] Recent accounting pronouncements not yet adopted. Income (Loss) Per Share Earnings Per Share, Policy [Policy Text Block] Environmental liability related to landfill, period Accrued Capping, Closure, Post-Closure And Environmental Costs, Noncurrent, Period Accrued Capping, Closure, Post-Closure And Environmental Costs, Noncurrent, Period 2023 Long-Term Debt, Maturity, Year One Percentage of proceeds received from sale of stock to be used to repay debt Debt Conversion, Converted Instrument, Rate Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Other long-term liabilities Other Liabilities, Noncurrent Spartanburg Facility Spartanburg Facility [Member] Spartanburg facility member Pretax loss of discontinued operations Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax, Attributable to Parent Contribution of Preferred Units, Senior Priority Units, and notes payable to related party for Greenidge class B common stock (Note 7) Value Of Units And Notes Payable Contributed In Exchange For Common Stock Value of units and notes payable contributed in exchange for common stock. Disposal Group Classification [Domain] Disposal Group Classification [Domain] Notional value Notional Amount of Nonderivative Instruments Power and capacity Power And Capacity [Member] Power and capacity. Basic Earnings and Diluted per Share of Common Stock Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Environmental obligations Accrual for Environmental Loss Contingencies, Payments Cost of Sales Cost of Sales [Member] Miner Equipment Note I Miner Equipment Note I [Member] Miner equipment note I member. Customer [Domain] Customer [Domain]