Document And Entity Information The 2021 Bonds [Member] Information pertaining to the 2021 bonds. Note To Financial Statement Details Textual Significant Accounting Policies Note 1 - Nature of Business, Financial Condition and Basis of Presentation Note 2 - Earnings Per Share gevo_PaymentsForNetSettlementOfCommonStock Net settlement of common stock under stock plans Represents payments for net settlement of common stock. Note 3 - Revenues From Contracts With Customers and Other Revenues Note 4 - Leases, Right-to-Use Assets and Related Liabilities Note 5 - Inventories Note 6 - Property, Plant and Equipment Note 7 - Embedded Derivatives Liabilities Note 8 - Accounts Payable and Accrued Liabilities us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax Total change in unrealized (losses) on marketable securities Note 9 - Debt Note 11 - Stock-based Compensation Unrealized (losses) on available-for-sale securities, net of tax Note 13 - Fair Value Measurements Note 14 - Segments us-gaap_LiabilitiesCurrent Total current liabilities Note 1 - Nature of Business, Financial Condition and Basis of Presentation - Receivable Bond (Details) Schedule of Maturities of Long-term Debt [Table Text Block] Note 2 - Earnings Per Share - Securities Potentially Dilute Calculation of Diluted Earnings Per Share (Details) Note 3 - Revenues From Contracts With Customers and Other Revenues - Disaggregated Revenues (Details) Note 4 - Leases, Right-to-use Assets and Related Liabilities - Lease Costs (Details) Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Note 4 - Leases, Right-to-use Assets and Related Liabilities - Future Minimum Payments Under Non-cancelable Operating Leases (Details) Note 5 - Inventories - Components of Inventory Balances (Details) Note 6 - Property, Plant and Equipment - Property, Plant and Equipment by Classification (Details) Note 6 - Property, Plant and Equipment - Depreciation and Amortization Expense (Details) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Note 7 - Embedded Derivatives Liabilities - Schedule of Shares Issued Upon Exercise of Warrants (Details) Note 7 - Embedded Derivatives Liabilities - Exercise of Warrants (Details) Note 8 - Accounts Payable and Accrued Liabilities - Components Accounts Payable and Accrued Liabilities in Consolidated Balance Sheets (Details) Note 9 - Debt - Notes Payable - Other (Details) Note 9 - Debt - Future Payments for Notes Payable - Other (Details) Note 11 - Stock-based Compensation - Stock-based Compensation Expense (Details) Note 11 - Stock-based Compensation - Stock Option Award Activity (Details) Share-based Payment Arrangement, Option, Activity [Table Text Block] Note 11 - Stock-based Compensation - Non-vested Restricted Stock (Details) Note 13 - Fair Value Measurements - Schedule of Carrying Value and Fair Value by Fair Value Hierarchy of Financial Instruments (Details) Note 13 - Fair Value Measurements - Schedule of Fair Value Measurements Using Level 3 Inputs (Details) Granted, weighted average grant date fair value (in dollars per share) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue Note 13 - Fair Value Measurements - Carrying Values and Estimated Fair Values (Details) Vested, weighted average grant date fair value (in dollars per share) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue Note 13 - Fair Value Measurements - Investments Marketable Securities (Details) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue Canceled or forfeited, weighted average grant date fair value (in dollars per share) Note 14 - Segments - Information on Business Segments (Details) US Treasury Securities [Member] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue Non-vested, weighted average grant date fair value (in dollars per share) Non-vested, weighted average grant date fair value (in dollars per share) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in shares) Canceled or forfeited (in shares) Notes To Financial Statements gevo_GainLossFromChangeInFairValueOfWarrantLiabilitiesNetOfExercises Loss (gain) from change in fair value of derivative warrant liability Represents the gain (loss) from change in fair value of warrant liabilities net of exercises during the period. Notes To Financial Statements [Abstract] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber Non-vested (in shares) Non-vested (in shares) Schedule of Nonvested Share Activity [Table Text Block] Granted (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) US Government-sponsored Enterprises Debt Securities [Member] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) Vested (in shares) Share-based Payment Arrangement, Cost by Plan [Table Text Block] Options vested and expected to vest, weighted average remaining contractual term (Year) us-gaap_LongTermDebtCurrent Less current portion Options vested and expected to vest (in shares) Options vested and expected to vest, weighted average exercise price (in dollars per share) Options exercisable, weighted average exercise price (in dollars per share) Loans payable - other (current) Options exercisable, weighted average remaining contractual term (Year) gevo_NumberOfCustomers Number of Customers Represents the number of customers. Options exercisable (in shares) Retrofit Assets [Member] Property, plant, and equipment classified as retrofit assets. Options outstanding, weighted average remaining contractual term (Year) us-gaap_PaymentsToAcquireMarketableSecurities Purchase of marketable securities Series K Warrants [Member] Represents the Series K warrants to purchase common stock. Stock Options Issued to Employees and Board Members [Member] An arrangement whereby an employee or board member is entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement. Although there are variations, normally, after vesting, when an option is exercised, the employee-holder pays the strike value in cash to the issuing employer-entity and receives equity shares. The equity shares can be sold into the market for cash at the current market price without restriction. Financial Instruments [Domain] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice Options outstanding, weighted average exercise price (in dollars per share) Options outstanding, weighted average exercise price (in dollars per share) Accounts payable and accrued liabilities Total accounts payable and accrued liabilities Canceled or forfeited, weighted average exercise price (in dollars per share) Financial Instrument [Axis] Bond, Policy [Policy Text Block] The accounting policy related to bond issuance. Granted, weighted average exercise price (in dollars per share) Exercised, weighted average exercise price (in dollars per share) Accrued employee compensation Lessee, Operating Leases [Text Block] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber Options outstanding (in shares) Options outstanding (in shares) Cash Pledged and Assigned to Citibank, N.A. [Member] Represents the cash pledged and assigned to Citibank, N.A. gevo_RestrictedCashInterestRate Restricted Cash, Interest Rate The interest rate on restricted cash. Credit Facility [Axis] Credit Facility [Domain] Other accrued liabilities us-gaap_PolicyTextBlockAbstract Accounting Policies Unusual or Infrequent Item, or Both [Axis] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) Unusual or Infrequent Item, or Both [Domain] Interest income The amount of interest income from pollution control bond. gevo_DisbursementPollutionControlBond Disbursement of funds The amount of disbursement of pollution control bond. us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent RNG accrued project costs The amount of accrued project costs due within one year (or the operating cycle, if longer). Acquisitions of plant, property and equipment: Titan Aviation Fuel [Member] Related to Titan Aviation Fuel. us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) Accounts payable - trade Share-based Payment Arrangement, Tranche Three [Member] us-gaap_LossContingencyAccrualAtCarryingValue Loss Contingency Accrual, Ending Balance Current liabilities Vesting [Axis] Vesting [Domain] Share-based Payment Arrangement, Tranche One [Member] Share-based Payment Arrangement, Tranche Two [Member] Assets Total assets gevo_DebtSecuritiesAvailableforsaleAccumulatedGrossUnrealizedLossBeforeTaxNoncurrent Available-for-sale securities, gross unrealized loss, noncurrent The noncurrent amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Plan Name [Axis] Plan Name [Domain] us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1 Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) gevo_DebtSecuritiesAvailableforsaleAccumulatedGrossUnrealizedLossBeforeTaxCurrent Available-for-sale securities, gross unrealized loss, current The current amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). us-gaap_OperatingLeaseLeaseIncome Operating Lease, Lease Income, Total Computer Software, Intangible Asset [Member] Non-cash lease expense Amount of amortization expense (reversal) for right-of-use asset from operating lease. The Series 2020 A Warrants and Series K Warrants [Member] Information related to the series 2020 A warrants and series K warrants. Finite-Lived Intangible Assets by Major Class [Axis] Share-based Payment Arrangement [Text Block] Finite-Lived Intangible Assets, Major Class Name [Domain] us-gaap_ContractWithCustomerAssetNet Contract with Customer, Asset, after Allowance for Credit Loss, Total HCS Group GmbH and Titan Aviation Fuel [Member] Information related to HCS Group GmbH and Titan Aviation Fuel. HCS Group GmbH, New Vision, LLC, and Titan Aviation Fuel [Member] Information related to HCS Group GmbH, New Vision, LLC, and Titan Aviation Fuel. HCS Group GmbH and Coryton Advanced Fuels Ltd [Member] Information related to HCS Group GmbH and Coryton Advanced Fuels Ltd. Eco-Energy, LLC, Purina Animal Nutrition, LLC, and HCS Group GmbH [Member] Information related to Eco-Energy, LLC, Purina Animal Nutrition, LLC, and HCS Group GmbH. Business Description and Basis of Presentation [Text Block] Award Type [Domain] Indemnification Agreement [Member] Revenue and cost of goods sold Receivable from Bond Trustee [Member] Represents the receivable from bond trustee. Award Type [Axis] Net loss Net loss HCS Group GmbH [Member] Represents HCS Group GmbH. Stock Appreciation Rights (SARs) [Member] us-gaap_InterestCostsCapitalized Interest Costs Capitalized Restricted Stock [Member] Share-based Payment Arrangement, Option [Member] Warrant [Member] Loss Contingency, Nature [Domain] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Inventory [Axis] Inventory [Domain] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Loss Contingency Nature [Axis] Commitments and Contingencies Disclosure [Text Block] us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment Less accumulated depreciation and amortization Property, plant and equipment, net Property, plant and equipment, net Property, plant, and equipment, gross Schedule of Depreciation and Amortization Expense [Table Text Block] Tabular disclosure of depreciation and amortization expense. Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] us-gaap_MarketableSecurities Marketable Securities, Total Investing Activities Marketable securities, fair value us-gaap_AvailableForSaleSecuritiesDebtSecurities Earnings Per Share [Text Block] Notes Payable, Equipment [Member] Represents the notes payable issued for equipment. us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities Accounts payable, accrued expenses and long-term liabilities Letter of Credit [Member] Intersegment Eliminations [Member] Notes Payable, Other Payables [Member] us-gaap_IncomeTaxExpenseBenefit Income Tax Expense (Benefit), Total us-gaap_OperatingExpenses Total operating expenses Long-term restricted cash Long-term restricted cash Total restricted cash held by bond trustee Restricted Cash, Total Restricted cash (current) Restricted cash (current) us-gaap_DebtInstrumentDecreaseForgiveness Debt Instrument, Decrease, Forgiveness Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Ending Balance Cash and cash equivalents Stock-based compensation us-gaap_AllocatedShareBasedCompensationExpense us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings Total loss included in earnings Amendment Flag us-gaap_ComprehensiveIncomeNetOfTax Comprehensive loss City Area Code Maturity Date us-gaap_DebtInstrumentPeriodicPayment Debt Instrument, Periodic Payment, Total January 2021 Offering [Member] Information related to the January 2021 offering. gevo_OfferingOfStockRemainingCapacityValue Offering of Stock, Remaining Capacity, Value The value of the remaining number of shares authorized to be issuable under a stock offering program. Reclassification, Comparability Adjustment [Policy Text Block] us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) Common stock, shares outstanding (in shares) Current Fiscal Year End Date Interest rate Debt Instrument, Interest Rate, Stated Percentage Variable lease cost (2) us-gaap_LeaseCost Total lease cost Borrowing Costs, Policy [Policy Text Block] Disclosure of accounting policy for borrowing costs. us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expenses and other current assets, deposits and other assets 2021 Bonds us-gaap_DebtInstrumentFairValue Weighted-average discount rate - operating leases (3) Document Fiscal Period Focus Operating lease cost Document Fiscal Year Focus Short-Term lease cost Lease, Cost [Table Text Block] Right-of-use asset purchased with financing lease Document Period End Date Right-of-use asset purchased with operating lease Weighted-average remaining lease term, operating leases (months) (Month) Entity File Number Entity Emerging Growth Company us-gaap_DebtInstrumentFaceAmount Debt Instrument, Face Amount Document Type Gain on forgiveness of SBA loan (Gain) on forgiveness of SBA PPP loans Entity Small Business Entity Shell Company Document Information [Line Items] Document Information [Table] us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue Balance Balance Entity Filer Category Debt Instrument [Axis] Entity Current Reporting Status Debt Instrument, Name [Domain] Restructuring expenses Schedule of Long-term Debt Instruments [Table Text Block] us-gaap_ConcentrationRiskPercentage1 Concentration Risk, Percentage us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable Non-cash stock-based compensation Statement of Comprehensive Income [Abstract] Entity Tax Identification Number Entity Central Index Key Depreciation and amortization Entity Registrant Name Liability Class [Axis] Fair Value by Liability Class [Domain] Entity [Domain] Customer Concentration Risk [Member] Legal Entity [Axis] Entity Address, Address Line One Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Entity Address, City or Town Entity Address, Postal Zip Code Entity Address, State or Province Concentration Risk Type [Axis] Concentration Risk Type [Domain] gevo_PaymentsToAcquirePropertyPlantAndEquipmentAdjustedForAccountsPayable Acquisitions of property, plant and equipment The cash outflow, adjusted for accounts payable, associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Entity Common Stock, Shares Outstanding Revenue Benchmark [Member] Accounts Receivable [Member] us-gaap_IncreaseDecreaseInInventories Inventories Trading Symbol Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares) Local Phone Number Exercised (in shares) us-gaap_TableTextBlock Notes Tables us-gaap_GainLossOnDispositionOfAssets1 Loss on disposal of assets Issuance of common stock under stock plans, net of taxes (in shares) Selling, general and administrative expense Issuance of common stock under stock plans, net of taxes Granted (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod Canceled or forfeited (in shares) Spare parts Other Inventory us-gaap_StockIssuedDuringPeriodSharesNewIssues Stock Issued During Period, Shares, New Issues (in shares) Raw materials us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and stockholders' equity Finished goods Work in process Reported Value Measurement [Member] UNITED STATES Accumulated deficit Research and development expense Accumulated other comprehensive loss Debt Disclosure [Text Block] Cash and Cash Equivalents [Domain] Interest expense Interest expense Changes in operating assets and liabilities: us-gaap_AmortizationOfFinancingCosts Amortization of Debt Issuance Costs Restricted Cash and Cash Equivalents [Axis] us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements Other non-cash expenses Inventory Disclosure [Text Block] Operating lease liabilities (long-term) Operating Lease, Liability, Noncurrent Schedule of Inventory, Current [Table Text Block] Restrictions on Cash and Cash Equivalents [Table Text Block] Total lease liabilities, operating lease Operating lease liabilities (current) Finance lease liabilities (current) Finance Lease, Liability, Current Less: current portion, financing leases Finance lease liabilities (long-term) Finance Lease, Liability, Noncurrent Operating right-of-use assets Operating Lease, Right-of-Use Asset us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue Total, operating lease Total lease liabilities, financing leases Finance Lease, Liability, Total us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount Less: Amounts representing present value discounts, operating lease Finance cash flows from finance leases 2024, operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree 2025, operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour Finance right-of-use assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total 2022, operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths 2023, operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo Lessee, Operating Lease, Liability, Maturity [Table Text Block] Stock-based compensation Lessee, Leases [Policy Text Block] 2021 (remaining), operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear us-gaap_FiniteLivedIntangibleAssetUsefulLife Finite-Lived Intangible Asset, Useful Life (Year) Non-cash interest expense Total revenues Total revenues Operating expenses: us-gaap_AmortizationOfDebtDiscountPremium Amortization of Debt Discount (Premium) Income Tax, Policy [Policy Text Block] Internal Use Software, Policy [Policy Text Block] Total, fair value us-gaap_FairValueNetAssetLiability Available-for-sale securities, fair value, noncurrent Long-term marketable securities Depreciation and amortization us-gaap_DepreciationDepletionAndAmortization us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares) us-gaap_SharesIssuedPricePerShare Shares Issued, Price Per Share (in dollars per share) us-gaap_AssetsCurrent Total current assets Deposits and other assets Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer and noncurrent assets classified as other. Fair Value, Nonrecurring [Member] Common stock, $0.01 par value per share; 250,000,000 authorized; 197,964,476 and 128,138,311 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively. Adjustments to reconcile net loss to net cash used in operating activities: Measurement Frequency [Axis] Gain (loss) from change in fair value of derivative warrant liability Represents the gain (loss) from change in fair value of warrant liabilities. Measurement Frequency [Domain] Fair Value, Recurring [Member] Common stock, shares authorized (in shares) Common stock shares issued (in shares) Non-cash purchase of property, plant and equipment Issuance of common stock, net of issue costs Represents the issuance of common stock, net of issue costs and warrants. Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Issuance of common stock upon exercise of warrants Represents the stock issued during period value upon exercise of warrants. Common stock, par value (in dollars per share) Stockholders' Equity, Policy [Policy Text Block] us-gaap_CommonStockCapitalSharesReservedForFutureIssuance Common Stock, Capital Shares Reserved for Future Issuance (in shares) Statistical Measurement [Domain] Operating cash flows from operating leases Maximum [Member] Minimum [Member] Product and Service [Axis] Product and Service [Domain] Statistical Measurement [Axis] Operating cash flows from finance leases Debt, Policy [Policy Text Block] Cash paid for interest Property, Plant and Equipment Disclosure [Text Block] Geographical [Axis] Property, Plant and Equipment [Table Text Block] Geographical [Domain] Inventories Total inventories Portion at Fair Value Measurement [Member] [Default] Estimate of Fair Value Measurement [Member] Revenue from contract with Customer Revenue from Contract with Customer, Including Assessed Tax Measurement Basis [Axis] Fair Value, Inputs, Level 3 [Member] Fair Value Hierarchy and NAV [Domain] Customer [Axis] Customer [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Issuance of common stock, net of issue costs (in shares) Represents the issuance of common stock, net of issue costs and warrants, in shares. Fair Value Hierarchy and NAV [Axis] Ethanol Sales and Related Products [Member] The amount of revenue derived from ethanol sales and related products. Common Stock Issued (in shares) Issuance of common stock upon exercise of warrants (in shares) Represents the stock issued during period upon exercise of warrants. Grant and Other [Member] The amount of revenue derived from grant and other sources not separately disclosed. Hydrocarbon [Member] Related to revenue derived from hydrocarbons. Variable Consideration or Multiple Performance Obligations [Member] Related to revenue where there is variable consideration or multiple performance obligations. Nature of Business [Policy Text Block] Disclosure of accounting policy related to the nature of business. Property, plant and equipment, useful life (Year) Financial Condition [Policy Text Block] Disclosure of accounting policy for financial condition. At-the-market Offering [Member] Related to an at-the-market offering program. Construction in Progress [Member] Operating Activities Schedule of Segment Reporting Information, by Segment [Table Text Block] gevo_ClassOfWarrantOrRightIssuedDuringPeriod Class of Warrant or Right, Issued During Period (in shares) The number of warrants or rights issued during period. Statement [Line Items] us-gaap_NumberOfOperatingSegments Number of Operating Segments Accounts receivable Additional paid-in capital Building [Member] Marketable securities (current) AOCI Attributable to Parent [Member] Stockholders' Equity (Loss) on modification of 2020 Notes Leasehold Improvements [Member] Available-for-sale securities, fair value, current Other income (expense) us-gaap_NonoperatingIncomeExpense Total other income (expense), net Long-Lived Tangible Asset [Axis] Segment Reporting Disclosure [Text Block] Long-Lived Tangible Asset [Domain] us-gaap_RestrictedCashCurrent Restricted Cash, Current Nutrients [Member] Represents the raw materials, nutrients. Enzymes and Other Inputs [Member] Represents the raw materials, enzymes and other inputs. Current assets Jet Fuels, Isooctane and Isooctene [Member] Represents the finished goods, Jet fuels, Isooctane and Isooctene. Fair Value Disclosures [Text Block] Agri-Energy [Member] Represents work in process at the Agri-Energy facility. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents Total cash, cash equivalents and restricted cash us-gaap_ContractWithCustomerAssetCreditLossExpense Contract with Customer, Asset, Credit Loss Expense (Reversal) us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Beginning of period End of period Site Improvement [Member] Additions or improvements to assets to sites. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net increase (decrease) in cash and cash equivalents Gevo [Member] Gevo segment is responsible for all research and development activities related to the future production of isobutanol,including the development of our proprietary biocatalysts, the production and sale of biojet fuel, our retrofit process and the next generation of chemicals and biofuels that will be based on our isobutanol technology. Our Gevo segment also develops, maintains and protects our intellectual property portfolio, develops future markets for our isobutanol and provides corporate oversight services. Cash, cash equivalents and restricted cash Computer, Office Equipment, and Software [Member] Computer, office equipment, and software, nonconsumable in nature, with finite lives used to produce goods and services. us-gaap_Liabilities Total liabilities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities Demonstration Plant [Member] Structure used in the demonstration of goods. Commitments and Contingencies (See Note 12) Original issue discount paid with 2020/21 Notes The fair value of notes issued for original issue discount. Sale of Stock [Axis] Sale of Stock [Domain] Lab Equipment, Furniture and Fixtures, and Vehicles [Member] Equipment used in labs, used in offices and stores, and for road transportation. Loss from operations Loss from operations Other income (expense): us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash used in operating activities gevo_PercentageOfRevenueReduction Percentage of Revenue Reduction The percentage of revenue reduction. Prepaid expenses and other current assets us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities Convertible 2020/21 Notes [Member] Represents the convertible 2020/21 notes. us-gaap_GrossProfit Gross loss Cost of goods sold Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] 2026 and thereafter, financing leases gevo_FinanceLeaseLiabilityToBePaidAfterYearFour Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). 2026 and thereafter, operating lease gevo_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Consolidation Items [Domain] Derivative liability, fair value us-gaap_DerivativeLiabilities Consolidation Items [Axis] Marketable Securities, Policy [Policy Text Block] us-gaap_PaymentOfFinancingAndStockIssuanceCosts Debt and equity offering costs SBA Loans [Member] Represents the SBA loans. Concentration Risk, Credit Risk, Policy [Policy Text Block] Grant and other revenue The amount of other revenues, which includes grants. Other revenues The amount of other revenues not separately disclosed. us-gaap_ProceedsFromIssuanceOrSaleOfEquity Proceeds from Issuance or Sale of Equity, Total Inventory, fair value gevo_InventoryFairValue The fair value amount of inventory. Series I Warrants [Member] Represents the Series I warrants to purchase shares of common stock. Proceeds Proceeds from exercise of warrants Retained Earnings [Member] Proceeds from issuance of common stock and common stock warrants Proceeds from Issuance of Common Stock Additional Paid-in Capital [Member] Warrant, Issuance Date Date the warrants or rights are issued, in CCYY-MM-DD format. Warrants, Expiration date Date the warrants or rights expire, in CCYY-MM-DD format. Common Stock [Member] Shares Issued (in shares) Number of common shares issued upon exercise of warrants. Equity Components [Axis] Equity Component [Domain] Notes payable, other Notes payable, other Long-term Debt, Total Long-term Debt, Total Prepaid Expenses and Other Current Assets [Member] Warrant Exercise Price (in dollars per share) us-gaap_RevenueRemainingPerformanceObligation Revenue, Remaining Performance Obligation, Amount Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] gevo_IncreaseDecreaseInAtTheMarketOfferingOfStock Increase (Decrease) in At-the-Market Offering of Stock The amount of increase (decrease) in the at-the-market offering of stock during the period. Shares Underlying Warrants (in shares) Other comprehensive income (loss) Timing of Transfer of Good or Service [Domain] us-gaap_DeferredFinanceCostsNet Debt Issuance Costs, Net, Total Transferred at Point in Time [Member] Transferred over Time [Member] Disaggregation of Revenue [Table Text Block] Timing of Transfer of Good or Service [Axis] Revenue from Contract with Customer [Text Block] Machinery and Equipment [Member] us-gaap_DebtInstrumentUnamortizedPremium Debt Instrument, Unamortized Premium, Total us-gaap_RepaymentsOfOtherLongTermDebt Payment of loans payable - other Balance Sheet Location [Axis] Balance Sheet Location [Domain] Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Document Quarterly Report Entity Incorporation, State or Country Code Accounting Policies [Abstract] Document Transition Report Basis of Accounting, Policy [Policy Text Block] Selling, General and Administrative Expenses [Member] Entity Interactive Data Current Exercise of Warrants [Table Text Block] Tabular disclosure of exercise of warrants. Security Exchange Name Operating Expense [Member] Title of 12(b) Security us-gaap_ProceedsFromIssuanceOfLongTermDebt Proceeds from Issuance of Long-term Debt, Total Cost of Sales [Member] Research and Development Expense [Member] Proceeds from issuance of 2021 Bonds Income Statement Location [Axis] Income Statement Location [Domain] Segments [Axis] Segments [Domain] COVID-19 [Member] Documentation: Information related to COVID-19. Weighted-average number of common shares outstanding - basic and diluted (in shares) The Series 2020 A Warrants [Member] Represents the series 2020 A warrants. Antidilutive securities (in shares) Proceeds from SBA PPP loans Net loss per share - basic and diluted (in dollars per share) Non-US [Member] Statement [Table] Statement of Financial Position [Abstract] Accounts Payable and Accrued Liabilities Disclosure [Text Block] gevo_IntercompanySales Intercompany Sales The amount of intercompany sales. Statement of Cash Flows [Abstract] 2021 (remaining) us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear Statement of Stockholders' Equity [Abstract] Income Statement [Abstract] Other comprehensive loss 2024 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree 2025 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour 2022 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths 2023 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo (Loss) from change in fair value of 2020/21 Notes embedded derivative liability Loss from change in fair value of 2020/21 Notes embedded derivative liability Available-for-sale securities, amortized costs, noncurrent Available-for-sale securities, amortized costs, current Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Stock Incentive Plans Disclosure [Text Block] The entire disclosure for stock incentive plans. Interest on lease liabilities Stock Incentive Plan 2010 [Member] Represents the stock incentive plan 2010. us-gaap_FinanceLeaseLiabilityPaymentsDue Total, financing leases Amortization of right-of-use assets Employee Stock Purchase Plan [Member] Represents the employee stock purchase plan. us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount Less: Amounts representing present value discounts, financing leases 2022, financing leases us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths 2023, financing leases us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo Discussion of Hybrid Instruments and Embedded Derivatives [Text Block] 2024, financing leases us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree 2025, financing leases us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour Schedule of Available-for-sale Securities Reconciliation [Table Text Block] Weighted-average discount rate - finance leases (3) 2021 (remaining), financing leases us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear Weighted-average remaining lease term, finance lease (months) (Month) Financing Activities Other long-term liabilities Purina Animal Nutrition, LLC [Member] The entity Purina Animal Nutrition, LLC. Eco-Energy, LLC [Member] The entity Eco-Energy, LLC. us-gaap_AccrualForEnvironmentalLossContingencies Accrual for Environmental Loss Contingencies, Ending Balance Warrants to Purchase Common Stock - Liability Classified [Member] Represents warrants to purchase common stock - liability classified. us-gaap_StockholdersEquity Total stockholders' equity Balance Balance Warrants to Purchase Common Stock - Equity Classified [Member] Represents warrants to purchase common stock - equity classified. Preliminary stage project costs Represents the preliminary stage project costs. Class of Stock [Axis] Long-term portion us-gaap_LongTermDebtNoncurrent Preliminary Stage Project Costs [Policy Text Block] Disclosure of accounting policy for preliminary stage project costs related to the RNG and Net-Zero projects. Palladium [Member] Information pertaining to Palladium. New Vision, LLC [Member] Information pertaining to new vision LLC. Loans payable - other (long-term) Operating Segments [Member] us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit (in dollars per share) Renewable Natural Gas [Member] Information pertaining to Renewable Natural Gas. Derivative Financial Instruments, Liabilities [Member] Net-Zero [Member] Information pertaining to Net-Zero. Coryton Advanced Fuels Ltd [Member] Represents information related to Coryton Advanced Fuels Ltd. 2021 Bonds payable (long-term) Palladium and Finished Goods Inventory [Member] Information pertaining to palladium and finished goods inventory. us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit (in dollars per share) Corn, Palladium and Finished Goods [Member] Information pertaining to corn, palladium and finished goods.