Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement Statistical Measurement [Domain] Land Management and Other Operations Land Management And Other Operations [Member] Land Management and Other Operations. Current portion of long-term debt Short-Term Debt, Fair Value Proceeds from grower's support payments Proceeds from Grower's Support Payments Proceeds from Grower's Support Payments Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional Paid In Capital Additional Paid-in Capital [Member] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Leases [Abstract] Fiscal 2030 Lessor, Operating Lease, Payment to be Received, Year Four Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Assets Held for Sale Disposal Groups, Including Discontinued Operations [Table Text Block] Type of Restructuring [Domain] Type of Restructuring [Domain] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] Schedule of Line of Credit and Related Deferred Financing Costs, Net of Accumulated Amortization Schedule of Line of Credit Facilities [Table Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Impact on accelerated depreciation on net income, amount Impact of Accelerated Depreciation on Net Income, Amount Impact of Accelerated Depreciation on Net Income, Amount Schedule Of Stock By Class [Table] Stock, Class of Stock [Table] Schedule of Information by Operating Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Debt instrument covenant loan to value cap ratio Debt Instrument Covenant Loan to Value Cap Ratio Debt Instrument Covenant Loan to Value Cap Ratio Impact of accelerated depreciation, earnings (losses) per share, basic (in dollars per share) Impact of Accelerated Depreciation, Earnings Per Share, Basic Impact of Accelerated Depreciation, Earnings Per Share, Basic Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Variable Rate Term Loan Variable Rate Term Loan [Member] Variable Rate Term Loan [Member] Schedule of Restricted Cash Schedule of Cash and Cash Equivalents [Table Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount % of Total Revenue Concentration Risk, Percentage Other assets Increase (Decrease) in Other Operating Assets Principle of Consolidation and Noncontrolling Interest in Consolidated Subsidiary Consolidation, Policy [Policy Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Financing receivable, after allowance for credit loss Note receivable from Corkscrew Grove Stewardship District Financing Receivable, after Allowance for Credit Loss Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Total Alico stockholders’ equity Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Stock compensation expense Share-Based Payment Arrangement, Expense Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Current assets: Assets, Current [Abstract] Total liabilities and stockholders’ equity Liabilities and Equity Number of
Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Concentration Risk Benchmark Concentration Risk Benchmark [Axis] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Assets Held for Sale Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Maximum Maximum [Member] General and Administrative Expense General and Administrative Expense [Member] Net loss attributable to noncontrolling interests Net Income (loss) attributable to subsidiary Net Income (Loss) Attributable to Noncontrolling Interest Accounting Policies [Abstract] MRSU Threshold 1 35 MRSU Threshold 1 [Member] MRSU Threshold 1 Restricted Stock Restricted Stock [Member] Concentration Risk Type Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Treasury Stock Treasury Stock, Common [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Total Lessor, Operating Lease, Payment to be Received Inventory net realizable value adjustment Inventory Net Realizable Value Adjustment Inventory Net Realizable Value Adjustment Accrued employee wages and benefits Accrued Salaries, Current Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Other Liabilities, Noncurrent Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Net proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Current portion of long-term debt Less current portion Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line Of Credit Facility [Table] Line of Credit Facility [Table] Disposal Group Name Disposal Group Name [Domain] Name Measure Name Beginning balance Ending balance Restructuring Reserve Class Of Stock [Line Items] Class of Stock [Line Items] Deferred income tax liabilities, net Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Award Type Award Type [Axis] Long-term debt Long-term debt Long-Term Debt Legal Entity Legal Entity [Axis] Total assets Total Assets Assets Trading Symbol Trading Symbol 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 Stock-based compensation (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Number of board members Number of Board Members Number of Board Members Concentration Risk Type Concentration Risk Type [Axis] Inventories Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Cash dividends declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Operating Expense Operating Expense [Member] Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Repayments on revolving lines of credit Repayments of Lines of Credit Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Total operating expenses Operating Expenses (Income) Operating Expenses (Income) Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Fiscal 2026 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Proceeds from grower's support payments, current Proceeds from Grower's Support Payments, Current Proceeds from Grower's Support Payments, Current Plan Name Plan Name [Axis] Citrus trees Citrus Trees [Member] Citrus Trees [Member]. PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Employee Severance Personnel Employee Severance [Member] Income tax payable Accrued Income Taxes, Current Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Deferred financing fees Debt Issuance Costs, Net, Excluding Line Of Credit Debt Issuance Costs, Net, Excluding Line Of Credit Citrus Citrus Operations [Member] Citrus Operations [Member] Retained Earnings Retained Earnings [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Variable interest rate Debt Instrument, Interest Rate, Effective Percentage Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash and cash equivalents and restricted cash at beginning of the period Cash and cash equivalents and restricted cash at end of the period Cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax provision (benefit) Income Tax Expense (Benefit) Basis points Debt Instrument, Basis Spread on Variable Rate Notes receivable Proceeds From Payments To Acquire Notes Receivable Proceeds From (Payments To Acquire) Notes Receivable Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service Product and Service [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Property and equipment, gross Property, Plant and Equipment, Gross Met Citree Term Loan Citree Term Loan [Member] Citree Term Loan [Member] Total Alico, Inc. Equity Parent [Member] Net income (loss) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Fiscal 2029 Lessor, Operating Lease, Payment to be Received, Year Three Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Discontinued Operations, Held-for-sale Discontinued Operations, Held-for-Sale [Member] Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Year-End Adjustment Year-End Adjustment [Member] Restructure and Other Charges Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Exercise of stock options Proceeds from Stock Options Exercised City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Buildings and improvements Building and Building Improvements [Member] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Cash and cash equivalents in an amount equal Debt Instrument, Redemption Price, Percentage Weighted Average Remaining Contractual Term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Interest capitalized Interest Costs Capitalized Accrued liabilities Total accrued liabilities Accrued Liabilities, Current Beginning Outstanding (in shares) Ending Outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Citree Citree Holdings I L L C [Member] Citree Holdings I, LLC [Member] Area of mineral rights Area Of Mineral Rights Area Of Mineral Rights Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative expenses General and Administrative Expense Unrecognized stock compensation Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Related Party Transactions [Abstract] Related Party Transactions [Abstract] Estimated useful life of citrus trees (in months) Property, Plant and Equipment, Useful Life Preferred stock, par value per share (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Components of Lease Cost Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-Term Debt, Type Long-Term Debt, Type [Axis] Impairment of long-lived assets Tangible Asset Impairment Charges Note receivable from Corkscrew Grove Stewardship District Notes Receivable, Fair Value Disclosure Assets held for sale Total assets held for sale Asset, Held-for-Sale, Not Part of Disposal Group, Current Equity Components Equity Components [Axis] Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Concentration Risk [Table] Concentration Risk [Table] Number of reportable segments Number of Reportable Segments Gain on sale of property and equipment Gains (Losses) on Sales of Investment Real Estate Other restructuring costs Other Restructuring Costs Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Grove Management Services Citrus Groves [Member] Citrus Groves [Member] Other Performance Measure, Amount Other Performance Measure, Amount Weighted
Average
Exercise
Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Inventory [Line Items] Inventory [Line Items] Schedule of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Entity Address, State or Province Entity Address, State or Province Fiscal 2027 Lessor, Operating Lease, Payment to be Received, Year One Dividends Dividends Total current liabilities Liabilities, Current Valencias Valencias [Member] Valencias [Member] Individual: Individual [Axis] Vesting Vesting [Axis] Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Dividends paid Payments of Ordinary Dividends, Common Stock Additional paid in capital Additional Paid in Capital, Common Stock Entity Entity [Domain] Other Other Restructuring [Member] Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] RLOC Metropolitan Life Insurance Company And New England Life Insurance Company Revolving Line Of Credit [Member] Metropolitan Life Insurance Company And New England Life Insurance Company Revolving Line Of Credit [Member] Inventories Inventories [Member] Cash paid for interest, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Early and Mid-Season Early And Mid Season [Member] Early And Mid-Season [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective income tax rate reconciliation, provision (benefit) Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Depreciation, depletion and amortization: Depreciation, Depletion and Amortization [Abstract] Board of Directors Fees Board of Directors Fees [Member] Board of Directors Fees Operating lease costs recorded in general and administrative expenses Operating Lease, Cost Plan Name Plan Name [Domain] Exercise of stock options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Equity [Abstract] Equity [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] Area of land sold Area of Land Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Ownership Ownership [Domain] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Number of shares authorized to be repurchased (up to) (in shares) Share Repurchase Program, Authorized, Number of Shares Schedule of Minimum Future Base Rental Revenue on Non-Cancelable Leases Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Purchases of common stock Stock Repurchased During Period, Value Depreciation, depletion and amortization Depreciation, Depletion and Amortization Income tax receivable Increase (Decrease) in Income Taxes Receivable Line of credit facility, minimum balance Line of Credit Facility, Minimum Balance Line of Credit Facility, Minimum Balance Other non-current assets Other Assets, Noncurrent Accrued interest Interest Payable, Current Customer Customer [Domain] Prepaid expenses Increase (Decrease) in Prepaid Guaranteed Payments Increase (Decrease) in Prepaid Guaranteed Payments Entity Central Index Key Entity Central Index Key PEO Name PEO Name Revenue Revenues 2015 Option Grants Two Thousand and Fifteen Plan [Member] Two Thousand And Fifteen Plan [Member] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Land and land improvements Land and Land Improvements [Member] RLOC Revolving Credit Facility [Member] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Area of land sold Area of Land Sold Area of Land Sold Segments Segments [Axis] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Grant date stock price (in dollars per share) Share Price Inventory, Current [Table] Inventory, Current [Table] Other Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Subsequent Event Type [Axis] Subsequent Event Type [Axis] Met Fixed-Rate Term Loan II Met fixed-rate term loan II [Member] Met fixed-rate term loan II Total Revenue from Contract with Customer, Excluding Lease Income. Net Revenue from Contract with Customer, Excluding Lease Income. Net ASSETS Assets: Assets [Abstract] Long-term debt, net Long-term debt Long-Term Debt, Excluding Current Maturities Credit Facility Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Vesting Vesting [Domain] Debt Instrument Debt Instrument [Axis] Credit Facility Credit Facility [Domain] Stockholders’ equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Treasury stock acquired Treasury Stock, Value, Acquired, Cost Method Debt instrument covenant minimum liquidity, amount Debt Instrument Covenant Minimum Liquidity, Amount Debt Instrument Covenant Minimum Liquidity, Amount Estimated Fair Value Additional Fair Value Elements [Abstract] Interest Rate Interest rate Debt Instrument, Interest Rate, Stated Percentage Tropicana Tropicana [Member] Tropicana [Member] Ownership Ownership [Axis] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Concentrations Major Customers, Policy [Policy Text Block] Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Loss on disposal of long-lived assets Impairment of Long-Lived Assets to be Disposed of, Loss Impairment of Long-Lived Assets to be Disposed of, Loss Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Schedule of Long-term Debt and Related Deferred Financing Costs, Net of Accumulated Amortization Schedule of Long-Term Debt Instruments [Table Text Block] Expected volatility of stock price Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Effect of dilutive securities – stock options and restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Title and Position Title and Position [Domain] Document Quarterly Report Document Quarterly Report Long-term debt Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Number of business segments Number of Operating Segments Fresh Fruit and Other Fresh Fruit [Member] Fresh Fruit [Member] Aggregate intrinsic value of restricted stock awards expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Area of property that served as collateral (in acres) Debt Instrument Collateral Area Of Property Debt Instrument, Collateral, Area Of Property Equipment and other facilities Machinery and Equipment [Member] Other Corporate Assets Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Other Other Inventory, Gross 40 MRSU Threshold 2 [Member] MRSU Threshold 2 Restatement Determination Date: Restatement Determination Date [Axis] Land and Other Leasing Land and other leasing Land And Other Leasing [Member] Land And Other Leasing [Member] Non-PEO NEO Non-PEO NEO [Member] Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Interest expense Interest expense Interest expense Interest Expense, Debt Fair Value, Liabilities Measured on Recurring Basis Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Segment Reporting Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Weighted
Average
Remaining
Contractual
Term
(years) Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Remaining Contractual Term [Roll Forward] Share-based compensation arrangement by share-based payment award options weighted average remaining contractual term abstract. Name Trading Arrangement, Individual Name Award Type Award Type [Domain] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Reconciliation Of Revenue From Segments To Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation Of Revenue [Line Items] Disaggregation of Revenue [Line Items] Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name Debt Instrument, Name [Domain] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Market Based Restricted Stock Units Market Based Restricted Stock Units [Member] Market Based Restricted Stock Units MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Beginning Outstanding (in dollars per share) Ending Outstanding (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 Restructure payments Payments for Restructuring Restricted cash Restricted Cash, Noncurrent Restructuring Type [Axis] Restructuring Type [Axis] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Operating revenues: Revenues: Revenues [Abstract] Aggregate
Intrinsic
Value (in thousands) Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Roll Forward] Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value Schedule of Revenue by Major Customers by Reporting Segments Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Treasury stock, at cost, 964,157 and 770,785 shares held at March 31, 2026 and September 30, 2025, respectively Treasury Stock, Value Depreciable properties Depreciable Property Plant And Equipment [Member] Represents the information pertaining to depreciable assets. Supplemental disclosure of cash flow information Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] Segments Segments [Domain] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Effect of Fourth Quarter Events, Type [Domain] Effect of Fourth Quarter Events, Type [Domain] Statement of Financial Position Location, Balance [Domain] Statement of Financial Position Location, Balance [Domain] Inventories Increase (Decrease) in Inventories Inventories Total inventories Inventory, Net Minimum Minimum [Member] Segment expenses: Cost of Revenue [Abstract] Less: accumulated depreciation and depletion Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Earnings per Share Earnings Per Share, Policy [Policy Text Block] Met Fixed-Rate Term Loans Fixed Rate Term Loan [Member] Fixed Rate Term Loan [Member] Company Selected Measure Name Company Selected Measure Name Revenue Recognition Revenue [Policy Text Block] Preferred stock, no par value, 1,000,000 shares authorized; none issued Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Common stock, $1.00 par value, 15,000,000 shares authorized; 8,416,145 shares issued and 7,451,988 and 7,645,360 shares outstanding at March 31, 2026 and September 30, 2025, respectively Common Stock, Value, Issued Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Title and Position Title and Position [Axis] Federally insured limit Federally Insured Limit Federally insured limit. Diluted (in shares) Weighted Average Common Shares Outstanding – Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Segments Segment Reporting, Policy [Policy Text Block] Commitments and Contingencies - Note 13. Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted average remaining contractual terms Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Entity Smaller Reporting Company Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Non- controlling Interest Noncontrolling Interest [Member] Seasonality Seasonality [Policy Text Block] Seasonality [Policy Text Block] Long-Term Debt and Lines of Credit Long-Term Debt [Text Block] Document Transition Report Document Transition Report Total Interest Costs Incurred Underlying Securities Award Underlying Securities Amount Concentration Risk [Line Items] Concentration Risk [Line Items] Equity Component Equity Component [Domain] Thereafter Lessor, Operating Lease, Payment to be Received, After Year Four Lessor, Operating Lease, Payment to be Received, After Year Four Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Lines of credit Long-Term Line of Credit, Noncurrent Forfeitures/expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Income Taxes Income Tax Disclosure [Text Block] Allowance for credit losses Accounts Receivable, Allowance for Credit Loss Borrowings on revolving lines of credit Proceeds from Lines of Credit Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Total stockholders’ equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Shares acquired, average cost (in dollars per share) Shares Acquired, Average Cost Per Share Document Type Document Type Name Outstanding Recovery, Individual Name Product and Service Product and Service [Axis] Total operating revenues Total Revenues Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Long-Term Debt, Type Long-Term Debt, Type [Domain] Ad valorem taxes Sales and Excise Tax Payable Purchases of property and equipment Payments to acquire property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Revenue recognized at a point-in-time Transferred at Point in Time [Member] Name Forgone Recovery, Individual Name Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Variable lease income Operating Lease, Variable Lease Income Disposal Group Classification Disposal Group Classification [Axis] Forfeitures/expired (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Schedule of Interest Costs Expensed and Capitalized Schedule Of Interest Expense [Table Text Block] Schedule Of Interest Expense. Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name Disposal Group Name [Axis] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Schedule of Reconciliations of Segment Gross Income (Loss) to Consolidated Loss Before Income Taxes Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Current liabilities: Liabilities, Current [Abstract] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Alico Citrus Alico Citrus [Member] Alico Citrus [Member] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Grove Management Services Grove Management Services Grove Management Services [Member] Grove Management Services Line of Credit Long-Term Line of Credit Effect of Fourth Quarter Event Type [Axis] Effect of Fourth Quarter Event Type [Axis] Diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net Accounts Receivable Accounts Receivable, after Allowance for Credit Loss, Current Accelerated depreciation Restructuring and Related Cost, Accelerated Depreciation Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Treasury stock, shares (in shares) Treasury stock, shares (in shares) Treasury stock, shares (in shares) Treasury Stock, Common, Shares income (loss) per common share: Earnings Per Share [Abstract] Consolidation Items Consolidation Items [Domain] Total other income, net Nonoperating Income (Expense) Ownership interest (as a percent) Subsidiary, Ownership Percentage, Parent Metlife Term Loan Metlife Term Loan [Member] Metlife Term Loan [Member] Gross loss Total gross loss Segment gross loss Gross Profit Per share information attributable to Alico, Inc. common stockholders: Not Found During Migration Deprecated Concept Earnings Per Share Basic And Diluted [Abstract] Not Found During Migration Deprecated Concept Earnings Per Share Basic And Diluted [Abstract] Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Stock repurchased during period, shares (in shares) Treasury Stock, Shares, Acquired Cash (received) paid for income taxes, net of refunds Income Taxes Paid, Net Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Advance to Corkscrew Grove Stewardship District Payments For Proceeds From Deposits On Purchase Of Productive Assets Payments For (Proceeds From) Deposits On Purchase Of Productive Assets Award Timing Disclosures [Line Items] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Long-term debt, net of current portion: Long-Term Debt, Gross Impact of accelerated depreciation, earnings (losses) per share, diluted (in dollars per share) Impact of Accelerated Depreciation, Earnings Per Share, Diluted Impact of Accelerated Depreciation, Earnings Per Share, Diluted Property and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Stock-based Compensation Equity [Text Block] Outstanding standby letters of credit Line of Credit Facility, Current Borrowing Capacity Net income (loss) attributable to Alico, Inc. common stockholders Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Expiration Date Trading Arrangement Expiration Date Lease income Operating Lease, Lease Income, Lease Payments Other liabilities Increase (Decrease) in Other Operating Liabilities Other accrued liabilities Other Accrued Liabilities, Current Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Restructure expense Restructuring Charges Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Payments for repurchase of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Restructuring Cost [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Customer Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Loss from operations Operating Income (Loss) Line of Credit Line of Credit [Member] Other Other [Member] Other [Member] Retained earnings Retained Earnings (Accumulated Deficit) Gain on sale of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Revenue recognized over time Transferred over Time [Member] Principal payments on term loans Repayments of Medium-Term Note Current Fiscal Year End Date Current Fiscal Year End Date Subsequent Event Type [Domain] Subsequent Event Type [Domain] Expected term of awards (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Assets received in exchange for services Assets Received in Exchange for Services Assets Received in Exchange for Services Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Payables and Accruals [Abstract] Payables and Accruals [Abstract] Weighted-
Average
Grant Date
Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Other income, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Term Loans and PRU Loans Term Loansand P R U Loans [Member] Term Loans and PRU Loans [Member] Restructuring and related cost, number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Deferred income tax benefit Deferred Income Tax Expense (Benefit) Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Total Revenue Revenue Benchmark [Member] Fresh Fruit and other Fresh Fruit and other [Member] Fresh Fruit and other Beginning balance (in shares) Ending balance (in shares) Shares, Issued Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Weighted-average number of common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Number of MRSUs earned (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Gross segment (loss) profit Gross Profit [Abstract] Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Share-Based Payment Arrangement, Option Share-Based Payment Arrangement, Option, Activity [Table Text Block] Description of Business and Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Basic (in shares) Weighted Average Common Shares Outstanding – Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Inventory casualty loss Inventory Write-down Disposal Group Classification Disposal Group Classification [Domain] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Cost of Sales Cost of Revenue Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Schedule of Restricted Stock Awards and Restricted Stock Units Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block] Amortization of debt issue costs Amortization of Debt Issuance Costs Other income, net: Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Operating expenses: Costs and Expenses [Abstract] Price per share threshold (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Per Share Weighted Average Price of Shares Purchased Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price LIBOR spread subject to adjustment period Debt Instrument London Interbank Offered Rate (LIBOR) Spread Subject to Adjustment, Period Debt Instrument, London Interbank Offered Rate (LIBOR) Spread Subject to Adjustment, Period Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value per share (in dollars per share) Common Stock, Par or Stated Value Per Share Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued 45 MRSU Threshold 3 [Member] MRSU Threshold 3 Income tax receivable Income Taxes Receivable, Current Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Area of land (in acres) Debt Instrument Collateral Property Acreage Debt Instrument, Collateral, Property Acreage. Use of Estimates Use of Estimates, Policy [Policy Text Block] Unharvested fruit crop on the trees Agricultural Related Inventory, Growing Crops Dividends declared but unpaid Accrued dividends Dividends Payable, Current Schedule of Share-Based Payment Award, Valuation Assumptions Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Income taxes payable Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name CGSD agreement interest rate Receivable with Imputed Interest, Effective Yield (Interest Rate) Fiscal 2028 Lessor, Operating Lease, Payment to be Received, Year Two Total liabilities Liabilities Harvesting and Hauling Harvesting and Hauling [Member] Harvesting and Hauling Carrying Amount Long-Term Debt, by Current and Noncurrent [Abstract] Revolving line of credit Line of Credit Facility, Maximum Borrowing Capacity Interest income Investment Income, Net Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Purchases of common stock (in shares) Stock Repurchased During Period, Shares Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Statement [Line Items] Statement [Line Items] Consolidation Items Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Subsequent Event [Line Items] Subsequent Event [Line Items] Common stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net increase in cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Professional fees Accrued Professional Fees, Current