Cover [Abstract] Document Type Document Type Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Securities Act File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag CONDENSED CONSOLIDATED BALANCE SHEETS Assets [Abstract] Assets Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Restricted Cash and Cash Equivalents, Current Restricted cash Accounts Receivable, after Allowance for Credit Loss, Current Trade accounts receivable, net Inventory, Net Inventories Total inventories Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Total prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property, plant and equipment, net Property, plant and equipment, net Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Operating Lease, Right-of-Use Asset Operating right-of-use assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization Finance right-of-use assets Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Goodwill Goodwill, end of period Goodwill, beginning of period Goodwill 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. Deposits And Other Assets, Noncurrent Deposits and other assets Total deposits and other assets Assets Total assets Total assets Liabilities [Abstract] Liabilities Liabilities, Current [Abstract] Current liabilities Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued liabilities Total accounts payable and accrued liabilities Operating Lease, Liability, Current Operating lease liabilities Less: current portion Finance Lease, Liability, Current Finance lease liabilities Less: current portion Long-Term Pollution Control Bond, Current Loans payable Bonds payable, net Liabilities, Current Total current liabilities Long-Term Pollution Control Bond, Noncurrent Bonds payable, net Loans Payable, Noncurrent Loans payable Operating Lease, Liability, Noncurrent Operating lease liabilities Non-current portion Finance Lease, Liability, Noncurrent Finance lease liabilities Non-current portion Asset Retirement Obligations, Noncurrent Asset retirement obligation Other Liabilities, Noncurrent Other long-term liabilities Liabilities Total liabilities Redeemable Noncontrolling Interest, Equity, Carrying Amount Redeemable non-controlling interest Ending balance Equity, Attributable to Parent [Abstract] Equity Common Stock, Value, Outstanding Common stock, $0.01 par value per share; 500,000,000 shares authorized; 242,124,640 and 239,176,293 shares issued and outstanding at September 30, 2025, and December 31, 2024, respectively. Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Equity, Attributable to Parent Ending balance Beginning balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized (in shares) Common Stock, Shares, Issued Common stock, shares issued (in shares) Common Stock, Shares, Outstanding Ending balance (in shares) Beginning balance (in shares) Common stock, shares outstanding (in shares) CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Revenue from Contract with Customer, Including Assessed Tax Total operating revenues Total operating revenue Operating Expenses [Abstract] Operating expenses: Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Cost of production Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Research and Development Expense Research and development expense Research and development General and Administrative Expense General and administrative expense Project Development Costs Project Development Costs Project development costs Project development Amount of transaction cost incurred as part of asset acquisition. Asset Acquisition Related Costs Acquisition related costs Idle Facility Costs Idle Facility Costs Facility idling costs Costs and Expenses Total operating expenses Operating Income (Loss) Income (loss) from operations Income (loss) from operations Nonoperating Income (Expense) [Abstract] Other (expense) income Interest Expense, Operating and Nonoperating Interest expense Investment Income, Interest and Dividend Interest and investment income Other Nonoperating Income (Expense) Other (expense) income, net Nonoperating Income (Expense) Total other (expense) income, net Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net income (loss) Consolidated net income (loss) Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Net income attributable to redeemable non-controlling interest Net income attributable to non-controlling member Net income (loss) attributable to Gevo, Inc. Net income (loss) Earnings Per Share, Basic Net income (loss) per share - basic (in dollars per share) Net loss per share - basic (in dollars per share) Earnings Per Share, Diluted Net income (loss) per share - diluted (in dollars per share) Net loss per share - diluted (in dollars per share) Weighted Average Number of Shares Outstanding, Basic Weighted-average common shares outstanding - basic (in shares) Basic weighted-average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted-average common shares outstanding - diluted (in shares) Diluted weighted-average shares outstanding (in shares) CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Retained Earnings [Member] Accumulated Deficit Redeemable Noncontrolling Interest Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Equity, Including Portion Attributable to Noncontrolling Interest Shareholders Equity including Noncontrolling Interest Ending Balance Shareholders Equity including Noncontrolling interest Beginning balance APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Non-cash stock-based compensation Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Stock-based awards and related share issuances, net (in shares) Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Stock-based awards and related share issuances, net Issuance of Noncontrolling Interest Issuance of Noncontrolling Interest Noncontrolling Interest, Change in Redemption Value Change in redemption value of redeemable noncontrolling interest Stock Repurchased and Retired During Period, Shares Repurchase of common stock (in shares) Repurchase of common stock (in shares) Stock Repurchased and Retired During Period, Value Repurchase of common stock Repurchase of common stock Stock Issued During Period, Shares, Warrants Exercised Stock Issued During Period, Shares, Warrants Exercised Issuance of common stock upon exercise of warrants (in shares) Stock Issued During Period, Values, Warrants Exercised Stock Issued During Period, Values, Warrants Exercised Issuance of common stock upon exercise of warrants CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Operating Activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Gain (Loss) on Extinguishment of Debt Loss on extinguishment of debt Debt extinguishment Share-Based Payment Arrangement, Noncash Expense Stock-based compensation Depreciation, Depletion and Amortization Depreciation and amortization Income Tax Credits and Adjustments Amount recognized on tax credits Tax credit generation The amount of amortization charged against earnings during the period for deferred financing costs. Amortization of Deferred Financing Costs Amortization of deferred financing costs Other Noncash Income (Expense) Other non-cash (income) expense Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities, net of effects of acquisition: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets, deposits and other assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable, accrued expenses and non-current liabilities Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Investing Activities Payments to Acquire Property, Plant, and Equipment Acquisitions of property, plant and equipment Payments to Acquire Businesses, Gross Acquisition of Red Trail Energy Cash consideration The cash inflow from the sale of investment tax credits held by the entity during the period. Proceeds From Sale Of Investment Tax Credits Proceeds from sale of investment tax credit The cash outflow associated with payments to acquire assets including earnest money and escrow deposits. Payments Of Earnest Money Deposits For Asset Purchase Payment of earnest money deposit Payments to Acquire Businesses, Net of Cash Acquired Acquisition of CultivateAI, net of cash acquired Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Financing Activities The cash inflow from amounts received from a long-term debt instrument secured through bonds. Proceeds from Issuance of Bonds Proceeds from issuance of bonds The cash outflow from the repayment of a long-term debt instrument issued, secured by bonds. Repayments of Bonds Repayments of bonds Proceeds from Issuance of Senior Long-Term Debt Loan proceeds Payments of Debt Issuance Costs Payment of debt issuance costs Payment of transaction costs Proceeds from Noncontrolling Interests Contributions from non-controlling member Non-controlling interest Proceeds from Warrant Exercises Proceeds from the exercise of warrants Proceeds from Stock Options Exercised Proceeds from the exercise of stock options Repayments of Other Long-Term Debt Payment of loans payable Finance Lease, Principal Payments Payment of finance lease liabilities Payments for Repurchase of Common Stock Repurchases of common stock Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents and restricted cash at beginning of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract] Schedule of cash, cash equivalents and restricted cash Restricted Cash, Current Restricted cash, current Restricted Cash, Noncurrent Restricted cash, non-current Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental disclosures of cash and non-cash investing and financing transactions Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid for interest Noncash or Part Noncash Acquisition, Fixed Assets Acquired Non-cash purchase of property, plant and equipment Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Right-of-use asset purchased with financing leases Right-of-use asset obtained in exchange for new finance lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-use asset purchased with operating lease Right-of-use asset obtained in exchange for new operating lease liabilities Nature of Business, Financial Condition and Basis of Presentation Business Description and Basis of Presentation [Text Block] Nature of Business, Financial Condition and Basis of Presentation Business Combinations Business Combination Disclosure [Text Block] Business Combinations Tax Credit Recognition and Sales Government Assistance [Text Block] Tax Credit Recognition and Sales Revenues from Contracts with Customers and Other Revenue Revenue from Contract with Customer [Text Block] Revenues from Contracts with Customers and Other Revenue Net Income (Loss) per Share Earnings Per Share [Text Block] Net Income (Loss) per Share Restricted Cash. Cash and Cash Equivalents Disclosure [Text Block] Restricted Cash Prepaid Expenses and Other Current Assets Other Current Assets [Text Block] Prepaid and Other Current Assets Leases, Right-of-Use Assets and Related Liabilities Lessee, Operating Leases [Text Block] Leases, Right-of-Use Assets and Related Liabilities Inventories Inventory Disclosure [Text Block] Inventories Derivative Financial Instruments Derivatives and Fair Value [Text Block] Derivative Financial Instruments Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Property, Plant and Equipment Intangible Assets and Goodwill Intangible Assets Disclosure [Text Block] Intangible Assets and Goodwill Deposits and Other Assets Deposits And Other Assets Deposits And Other Assets [Text Block] Deposits and Other Assets Accounts Payable and Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accounts Payable and Accrued Liabilities Asset Retirement Obligation. Asset Retirement Obligation Disclosure [Text Block] Asset Retirement Obligation Debt Debt Disclosure [Text Block] Debt Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Income Taxes Income Tax Disclosure [Text Block] Income Taxes