Statement of Financial Position [Abstract] REAL ESTATE REAL ESTATE [Abstract] Rental property: Rental property: [Abstract] Land Building and improvements Machinery and equipment Gross amount of real estate property, excluding land held for development. Less accumulated depreciation Amount of real estate property, excluding land held for development, net of accumulated depreciation. Land held for development: Land held for development: [Abstract] Carrying cost of land held for development. Land Accumulated land development costs capitalized on land held for development. Land development costs Total real estate, net Cash and cash equivalents Investment in marketable securities Rent receivable, net of allowance for doubtful accounts of approximately $76,000 and $74,000, respectively Deferred rent receivable Prepaid expenses and other assets Prepaid pension costs Total Assets LIABILITIES AND EQUITY LIABILITIES AND EQUITY [Abstract] LIABILITIES: LIABILITIES: [Abstract] Accounts payable Accrued liabilities Deferred rent liability Tenant security deposits payable Deferred income taxes Dividend note payable Total Liabilities Commitments and contingencies EQUITY: EQUITY: [Abstract] Common stock, $1 par value; authorized 4,000,000 shares; 1,723,888 shares issued; 1,482,680 shares outstanding Additional paid-in capital Accumulated other comprehensive loss Deficit retained earnings Less cost of shares of common stock held in treasury; 241,208 Total Gyrodyne Stockholders’ Equity Non-controlling interest in GSD, LLC Total equity Total Liabilities and Equity Allowance for doubtful accounts (in Dollars) Common stock, par value (in Dollars per share) Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Less common stock held in treasury, shares Income Statement [Abstract] Revenues Revenues [Abstract] Rental income Rental income - tenant reimbursements Total Expenses Expenses [Abstract] Rental expenses General and administrative expenses Strategic alternative expenses Depreciation Total Other Income (Expense): Other Income (Expense): [Abstract] Interest income Interest expense Total Net Loss before Condemnation Expense and Provision for Income Taxes Income (expense) on condemnation Expense on Condemnation Net Loss Net Loss from Non-Controlling Interest in GSD, LLC Net Income (Loss) Attributable to Gyrodyne Net income (loss) attributable to Gyrodyne per common share: Net income (loss) attributable to Gyrodyne per common share: [Abstract] Basic and diluted (in Dollars per share) Weighted average number of common shares outstanding: Weighted average number of common shares outstanding: [Abstract] Basic and diluted (in Shares) Statement of Comprehensive Income [Abstract] Net income (loss) attributable to Gyrodyne Unrealized gain (loss) on investments Comprehensive income (loss) attributable to Gyrodyne Comprehensive loss attributable to non-controlling interest Comprehensive loss Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: CASH FLOWS FROM OPERATING ACTIVITIES: [Abstract] Net loss Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to reconcile net loss to net cash used in operating activities: [Abstract] Depreciation and amortization Bad debt expense Net periodic pension benefit cost Changes in operating assets and liabilities: Changes in operating assets and liabilities: [Abstract] (Increase) decrease in assets: (Increase) decrease in assets: [Abstract] Rent receivable Deferred rent receivable Prepaid expenses and other assets (Decrease) increase in liabilities: (Decrease) increase in liabilities: [Abstract] Accounts payable Accrued liabilities Deferred rent liability Tenant security deposits Total adjustments Net cash used in operating activities CASH FLOWS FROM INVESTING ACTIVITIES: CASH FLOWS FROM INVESTING ACTIVITIES: [Abstract] Purchase of building improvements and equipment Land development costs Principal repayments of investments in marketable securities Net cash (used in) provided by investing activities CASH FLOWS FROM FINANCING ACTIVITIES: CASH FLOWS FROM FINANCING ACTIVITIES: [Abstract] Principal payments on mortgage loans payable Net cash used in financing activities Net decrease in cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental cash flow information: Supplemental cash flow information: [Abstract] Interest paid The amount of income and excise taxes paid. Income and excise taxes paid Disclosure Text Block [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Accounting [Text Block] Principles Of Consolidation [Abstract] Principles Of Consolidation [Abstract] Disclosure of principles of consolidation Includes(1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. Principles Of Consolidation [Text Block] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Condensed Financial Information of Parent Company Only Disclosure [Text Block] Investments, Debt and Equity Securities [Abstract] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Compensation and Retirement Disclosure [Abstract] Pension and Other Postretirement Benefits Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Disclosure Text Block Supplement [Abstract] Commitments Disclosure [Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Asset Impairment Charges [Text Block] Comprehensive Income (Loss) Note [Text Block] Reclassifications [Text Block] Condensed Balance Sheet [Table Text Block] Condensed Income Statement [Table Text Block] Schedule of Available-for-sale Securities Reconciliation [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Schedule of Other Share-based Compensation, Activity [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Other Commitments [Table Text Block] Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Consolidated Balance Sheet Consolidated Balance Sheet [Abstract] Consolidation Items [Domain] Entity [Domain] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statements, Captions [Line Items] REAL ESTATE REAL ESTATE [Abstract]0 Rental property: Rental property: [Abstract]0 Land The percentage of real estate owned by an entity. Land held for development: Land held for development: [Abstract]0 Total real estate, net Rent receivable, net of allowance for doubtful accounts of approximately $76,000 GSD Line of Credit Mortgage receivable Total Assets LIABILITIES AND EQUITY LIABILITIES AND EQUITY [Abstract]0 LIABILITIES: LIABILITIES: [Abstract]0 GSD Line of Credit Mortgage Payable Total Liabilities EQUITY: EQUITY: [Abstract]0 Total Gyrodyne Stockholders’ Equity Total equity Total Liabilities and Equity Allowance for doubtful accounts (in Dollars) Common stock, par value (in Dollars per share) Common stock, authorized Common stock held in treasury Consolidated Statement of Operations Consolidated Statement of Operations [Abstract] Condensed Income Statement [Table] Condensed Income Statements, Captions [Line Items] Revenues Revenues [Abstract]0 Other income Total Expenses Expenses [Abstract]0 Reimbursable expenses Total Other Income (Expense): Other Income (Expense): [Abstract]0 Total Net Income (Loss) Historical Cost and Estimated Fair Value of Available-for-sale Securities (Under Review) Historical Cost and Estimated Fair Value of Available-for-sale Securities (Under Review) [Abstract] Amortized cost Gross Unrealized Gains (Losses) Fair Value* Summary of Net Income (Loss) Earnings Per Share Summary of Net Income (Loss) Earnings Per Share [Abstract] Net income (loss) attributable to Gyrodyne Weighted average number of common shares outstanding Net Income (loss) per common share attributable to Gyrodyne ("EPS") Deferred Tax Liabilites Deferred Tax Liabilites [Abstract] Deferred Tax Liabilities: Deferred Tax Liabilities: [Abstract] Unrealized gain on investment in Citrus Grove Net Deferred Income Taxes Components of Net Periodic Benefit Cost Components of Net Periodic Benefit Cost [Abstract] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Note 8 - Retirement Plans (Details) - Components of Net Periodic Benefit Cost [Table] Note 8 - Retirement Plans (Details) - Components of Net Periodic Benefit Cost [Line Items] Service Cost Interest Cost Expected Return on Plan Assets Amortization of prior service costs Amortization of Actuarial Loss Net Periodic Pension Benefit Cost After Curtailments and Settlements Vested Maximum Benefit Payable to Ex-Employees Vested Maximum Benefit Payable to Ex-Employees [Abstract] Dividends [Domain] Relationship to Entity [Domain] Note 9 - Incentive Compensation Plan (Details) - Vested Maximum Benefit Payable to Ex-Employees [Table] Note 9 - Incentive Compensation Plan (Details) - Vested Maximum Benefit Payable to Ex-Employees [Line Items] Benefit Payble Number of Shares under Plan Benefit Payble Maximum Benefit Lease Revenue Commitments Lease Revenue Commitments [Abstract] 2015 2016 2017 2018 2019 Thereafter Other Commitments and Contingencies Other Commitments and Contingencies [Abstract] Other Commitments [Domain] Other Commitments [Table] Other Commitments [Line Items] Contracts and Commitments Carrying Value and Fair Value of Financial Assets and Liabilities Carrying Value and Fair Value of Financial Assets and Liabilities [Abstract] Fair Value Hierarchy [Domain] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Investment in Marketable Securities Investment in Marketable Securities Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income [Abstract] Unrecorded loss on investments Unrecorded gain on pension Accumulated other comprehensive income Scenario, Unspecified [Domain] Real Estate [Domain] Variable Interest Entity, Classification [Domain] Geographical [Domain] Range [Domain] Note 1 - The Company (Details) [Table] Note 1 - The Company (Details) [Line Items] Number of Operating Segments Percentage of Real Estate Owned Number of Real Estate Properties Number of Mortgage Investments Mortgage Loans on Real Estate (in Dollars) Investment Interest Rate Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Variable Interest Entity Management Fee Mark Up Variable Interest Entity, Financial or Other Support, Amount (in Dollars) Number of Units in Real Estate Property Area of Real Estate Property The number of mortgages the company is invested in. The mark-up fee percentage that the company charges its VIE's. Fair Value Measurement [Domain] Interim Period, Costs Not Allocable [Domain] Long-term Debt, Type [Domain] Note 3 - Principles of Consolidation (Details) [Table] Note 3 - Principles of Consolidation (Details) [Line Items] Loans Payable Real Estate Investment Property, Net Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net Limited Partnership Equity Method Threshold Equity Method Investments Variable Interest Entity, Financial or Other Support, Amount Variable Interest Entity Reimbursemnt Percentage Variable Interest Entity Funds Advanced Interest Rate The minimum interest the company must hold in a limited partnership to account for it under the equity method. The percentage of an expense incurred by a VIE which will be reimbursed by the parent company. The interest rate entitled to the parent company on any funds advanced to a variable interest entity. Note 4 - Consolidating Financial Information (Details) [Table] Note 4 - Consolidating Financial Information (Details) [Line Items] Variable Interest Entity, Consolidated, Carrying Amount, Assets Real Estate Investments, Net Deferred Rent Receivables, Net Receivables, Net, Current Prepaid Expense and Other Assets Security Deposit Liability Accounts Payable Accrued Liabilities Deferred Rent Credit Line of Credit Facility, Amount Outstanding Proceeds from Principal Repayments on Loans and Leases Held-for-investment (in Dollars) Marketable Securities Estimated Yield Marketable Securities, Contractual Maturities Marketable Securities Adjusted Duration Approximate yield of marketable securities based on amortized cost The contractual maturity date of marketable securities. Marketable securities adjusted duration Common Stock Equivalents Outstanding The number of common stock equivalents outstanding. Excise Tax Percentage The excise tax percentage. Defined Benefit Plan, Contributions by Employer Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year Defined Benefit Plan Obligation, Underfunded The amount of underfunded obligations in regards to defined benefit plans. Equity Award [Domain] Plan Name [Domain] Note 9 - Incentive Compensation Plan (Details) [Table] Note 9 - Incentive Compensation Plan (Details) [Line Items] Dividends Incentive Compensation Plan Payments Dividends, Cash Incentive Compensation Plan Payments Cash Remaining Liability Under Incentive Plan, Aggregative Maximum Information pertaining to payments made by the Incentive Compensation Plan. Information pertaining to cash payments made by the Incentive Compensation Plan. The maximum aggregate amount of the remaining liability under the Incentive Plan. Note 10 - Commitments and Contingencies (Details) [Table] Note 10 - Commitments and Contingencies (Details) [Line Items] Accrued Bonuses Supplemental Unemployment Benefits, Severance Benefits Note 12 - Fair Value of Financial Instruments (Details) [Table] Note 12 - Fair Value of Financial Instruments (Details) [Line Items] Proceeds from Principal Repayments on Loans and Leases Held-for-investment Grove Property Loan Principal Grove Property Loan Interest and Fees Deferred Tax Liabilities, Other The amount of loan principal which the Grove is allegedly indebted to Prudential according to the complaint filed by Prudential. The amount of loan interest and fees which the Grove is allegedly indebted to Prudential according to the complaint filed by Prudential. Asset Impairment Charges Accumulated Other Comprehensive Income (Loss), Net of Tax Consolidation, Eliminations [Member] Chief Operating Officer [Member] Title of Individual [Axis] Scenario [Axis] Parent Company [Member] Variable Interest Entities [Axis] Legal Entity [Axis] Geographical [Axis] Estimate of Fair Value Measurement [Member] Long-term Debt, Type [Axis] Fair Value, Inputs, Level 3 [Member] Award Type [Axis] Maximum [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Consolidation Items [Axis] Dividends [Axis] Other Commitments [Axis] Measurement Basis [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Fair Value, Hierarchy [Axis] Mortgages [Member] Plan Name [Axis] Minimum [Member] Nature of Expense [Axis] Director [Member] Real Estate, Type of Property [Axis] Fair Value, Inputs, Level 2 [Member] Range [Axis] Consolidated Entities [Member] CEO And President Each [Member] CEO and President Each [Member] Controlled By Parent Company [Member] Controlled by Parent Company [Member] An item controlled, but not owned, by the parent company. Current COO Employees And Directors [Member] Current COO, Employees and Directors [Member] The COO, employees and directors who are still with the company. Current Employees [Member] Current Employees [Member] Employees who are still with company. Employee And Director Bonuses [Member] Employee and Director Bonuses [Member] An expense related to employee and director bonuses. Employment Agreement With Severance Contingencies [Member] Employment Agreement With Severance Contingencies [Member] Former Board Members And Employees [Member] Former Board Members and Employees [Member] Board members and employees who are no longer with the company. Former Chief Executive Officer [Member] Former Chief Executive Officer [Member] Former Chief Executive Officer [Member] Former Director [Member] Former Director [Member] Former Director [Member] GSDLLC [Member] GSD LLC [Member] GSD LLC [Member] General And Administrative Expenses [Member] General and Administrative Expenses [Member] Expenses that are general and administrative in nature. Gyrodyne Special Distribution LLC [Member] Gyrodyne Special Distribution LLC [Member] The companies variable interest entity Gyrodyne Special Distribution LLC (GSD). Incentive Compensation Plan [Member] Incentive Compensation Plan [Member] Medicalofficepark [Member] Medical office park [Member] Multi Tenant Industrial Park [Member] Multi-Tenant Industrial Park [Member] Multi-Tenant Industrial Park [Member] Net Periodic Benefit Cost [Member] Net Periodic Benefit Cost [Member] Non Cash Dividends [Member] Non-Cash Dividends [Member] The non-cash dividends. Other Employee Severance Commitment Contingencies [Member] Other Employee Severance Commitment Contingencies [Member] Other Former Employees [Member] Other Former Employees [Member] Employees not otherwise defined who are no longer with the company. Rental Expense [Member] Rental Expense [Member] An expense related to rent. Special Dividend [Member] Special Dividend [Member] Information pertaining to special dividends. St James New York [Member] St. James, New York [Member] The Grove Florida [Member] The Grove, Florida [Member] The Grove [Member] The Grove [Member] The legal entity of The Grove. Document and Entity Information [Abstract] VariableInterestEntityFundsAdvancedInterestRate IncentiveCompensationPlanPayments DefinedBenefitPlanObligationUnderfunded MarketableSecuritiesEstimatedYield RemainingLiabilityUnderIncentivePlanAggregativeMaximum RealEstateGrossBeforeLandHeldForDevelopment CommonStockEquivalentsOutstanding LimitedPartnershipEquityMethodThreshold VariableInterestEntityReimbursemntPercentage MarketableSecuritiesContractualMaturities IncentiveCompensationPlanPaymentsCash DeferredTaxLiabilitiesUnrealizedGainOnInvestment ExciseTaxPercentage NumberofMortgageInvestments RealEstateNetBeforeLandHeldForDevelopment GrovePropertyLoanInterestAndFees PrinciplesOfConsolidationTextBlock LandHeldForDevelopment GrovePropertyLoanPrincipal VariableInterestEntityManagementFeeMarkUp PercentageOfRealEstateOwned MarketableSecuritiesAdjustedDuration Income Tax Disclosure [Text Block] Number of Real Estate Properties Variable Interest Entity, Financial or Other Support, Amount Commitments Disclosure [Text Block] Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Entity Common Stock, Shares Outstanding Number of Operating Segments Schedule of Net Benefit Costs [Table Text Block] Real Estate Investment Property, Net Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Operating Leases, Future Minimum Payments Receivable Net Cash Provided by (Used in) Operating Activities Asset Impairment Charges Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net Defined Benefit Plan, Contributions by Employer Cash and Cash Equivalents, Period Increase (Decrease) Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Current Fiscal Year End Date Document Fiscal Period Focus Increase (Decrease) in Accrued Liabilities Costs and Expenses Condensed Balance Sheet [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Deferred Tax Liabilities, Net Fair Value Disclosures [Text Block] Interest Expense Payments for Capital Improvements Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Asset Impairment Charges [Text Block] Defined Benefit Pension Plan, Liabilities Entity Well-known Seasoned Issuer Condensed Financial Information of Parent Company Only Disclosure [Text Block] Dividends Schedule of Available-for-sale Securities Reconciliation [Table Text Block] Entity Registrant Name Entity Voluntary Filers Line of Credit Facility, Amount Outstanding Repayments of First Mortgage Bond Entity Public Float Entity Filer Category Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Variable Interest Entity, Consolidated, Carrying Amount, Assets Net Cash Provided by (Used in) Financing Activities Increase (Decrease) in Receivables New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Other Commitments [Table Text Block] Mortgage Loans on Real Estate Increase (Decrease) in Deferred Income Taxes Supplemental Unemployment Benefits, Severance Benefits Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Accounts Payable Condensed Income Statement [Table Text Block] Payments to Develop Real Estate Assets Entity Central Index Key Amendment Flag Stockholders' Equity before Treasury Stock Defined Benefit Plan, Net Periodic Benefit Cost Dividends, Cash Net Cash Provided by (Used in) Investing Activities Revenues Schedule of Other Share-based Compensation, Activity [Table Text Block] Basis of Accounting [Text Block] Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year Defined Benefit Plan, Expected Return on Plan Assets Proceeds from Principal Repayments on Loans and Leases Held-for-investment Reclassifications [Text Block] Number of Units in Real Estate Property Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Document Period End Date Equity Method Investments Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Deferred Tax Liabilities, Other Amendment Description Defined Benefit Plan, Amortization of Gains (Losses) Area of Real Estate Property Pension and Other Postretirement Benefits Disclosure [Text Block] Document Type Treasury Stock, Value Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Increase (Decrease) in Deferred Liabilities Entity Current Reporting Status Accrued Bonuses Investment Interest Rate Real Estate Investments, Net Comprehensive Income (Loss) Note [Text Block] Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest Document Fiscal Year Focus Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Earnings Per Share [Text Block] Statement [Table] Statement [Line Items]