Statement of Financial Position [Abstract] Land Building and improvements Machinery and equipment Less accumulated depreciation Land Land development costs Total real estate, net Total real estate, net Assets held for sale Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Investment in marketable securities Investment in Marketable Securities Rent receivable, net of allowance for doubtful accounts of approximately $74,000 in 2014 and 2013 Rent receivable, net of allowance for doubtful accounts of approximately $74,000 Receivables, Net, Current Allowance for doubtful accounts (in Dollars) Allowance for doubtful accounts (in Dollars) Deferred rent receivable Deferred Rent Receivables, Net Prepaid expenses and other assets Prepaid Expense and Other Assets Prepaid pension costs Total Assets Total Assets Accounts payable Accounts Payable Accrued liabilities Accrued Liabilities Deferred rent liability Deferred Rent Credit Tenant security deposits payable Security Deposit Liability Liabilities related to assets held for sale Total Liabilities Related to Real Estate Assets Held for Sale Deferred income taxes Dividend payable Dividends Payable Notes payable Notes Payable Total Liabilities Total Liabilities Commitments and contingencies Common stock, $1 par value; authorized 4,000,000 shares; 1,723,888 shares issued; 1,482,680 shares outstanding Common stock, par value (in Dollars per share) Common stock, par value (in Dollars per share) Common stock, shares authorized Common stock, authorized Common stock, shares issued Common stock, shares outstanding Additional paid-in capital Accumulated other comprehensive income Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Deficit Deficit Less cost of shares of common stock held in treasury; 241,208 Less common stock held in treasury, shares Common stock held in treasury Total Gyrodyne Stockholders’ Equity Total Gyrodyne Stockholders’ Equity Non-controlling interest in GSD, LLC Total equity Total equity Total Liabilities and Equity Total Liabilities and Equity Income Statement [Abstract] Rental income Rental income - tenant reimbursements Total Total rental income Rental expenses General and administrative expenses Strategic alternative expenses Depreciation Insurance claim recoveries in excess of cost Impairment charges Asset Impairment Charges Total Total Interest income Interest expense Total Total Net Loss before Condemnation Expense and Provision for Income Taxes Expense on Condemnation Net loss before Provision for Income Taxes Benefit for Income Taxes Net (loss) income from continuing operations Net Loss from continued operations Income from discontinued operations attributable to non-controlling interest Net Income from discontinued operations Net (loss) income Net (loss) income Net Loss Net Loss from Non-Controlling Interest in GSD, LLC Net (loss) income Attributable to Gyrodyne Net (loss) income attributable to Gyrodyne Net (loss) income attributable to Gyrodyne From continuing operations (in Dollars per share) Continuing operations From discontinued operations (in Dollars per share) Discontinued operations Total (loss) income -Basic and diluted (in Dollars per share) Net (loss) income per common share attributable to Gyrodyne (“EPS”) Basic and diluted (in Shares) Weighted average number of common shares outstanding Statement of Comprehensive Income [Abstract] Unrealized (loss) gain on investments Comprehensive (loss) income attributable to Gyrodyne Comprehensive loss attributable to non-controlling interest Comprehensive (loss) income Statement of Cash Flows [Abstract] Depreciation and amortization Bad debt expense Net periodic pension benefit cost Noncash interest expense Rent receivable Deferred rent receivable Prepaid expenses and other assets Accounts payable Accrued liabilities Deferred rent liability Tenant security deposits Total adjustments Net cash used in operating activities Purchase of building improvements and equipment Land development costs Purchase of marketable securities Principal repayments of investments in marketable securities Proceeds from Sale and Maturity of Marketable Securities (in Dollars) Proceeds from Sale and Maturity of Marketable Securities Net cash (used in) provided by investing activities Principal payments on mortgage loans payable Net cash used in financing activities Net decrease in cash and cash equivalents Interest paid Income and excise taxes paid Issuance of note to settle PIK interest Disclosure Text Block [Abstract] Accounting Policies [Abstract] Principles Of Consolidation [Abstract] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Consolidated Balance Sheet [Abstract] Mortgage receivable Loans Receivable, Gross, Commercial, Mortgage GSD Line of Credit Long-term Line of Credit Mortgage Payable Loans Payable Legal Entity [Axis] Parent Company [Member] GSD LLC [Member] Consolidated Entities [Member] Consolidation Items [Axis] Consolidation, Eliminations [Member] Consolidated Statement of Operations [Abstract] Other income Reimbursable expenses Discontinued Operations and Disposal Groups [Abstract] Properties and Related Liabilities Held-for-Sale [Abstract] Long Lived Assets Held-for-sale by Asset Type [Axis] Cortlandt Manor Medical Center [Member] Property Fairfax Medical Center [Member] Accounts receivable Deferred rent receivable Prepaid expenses and other Total Assets Held for Sale Deferred rent liability Tenant security deposit payable Discontinued Operations [Abstract] Income Statement Location [Axis] Rental Income [Member] Rental income Rental Income - Tenant Reimbursements [Member] Rental Expense [Member] Rental expenses Depreciation Net income from discontinuing operations Investments, Debt and Equity Securities [Abstract] Historical Cost and Estimated Fair Value of Available-for-sale Securities (Under Review) [Abstract] Amortized cost Gross Unrealized Losses Fair Value* Investment in Marketable Securities Summary of Notes Payable [Abstract] Debt Instrument [Axis] Global Dividend Note Payable [Member] Global Note Payable [Member] Dividends [Abstract] Earnings Per Share [Abstract] Summary of Net Income (Loss) Earnings Per Share [Abstract] Continuing operations Discontinued operations Income Tax Disclosure [Abstract] Deferred Tax Liabilites [Abstract] Unrealized gain on investment in Citrus Grove Net Deferred Income Taxes Compensation and Retirement Disclosure [Abstract] Components of Net Periodic Benefit Cost [Abstract] 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 Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Vested Maximum Benefit Payable to Ex-Employees [Abstract] Title of Individual [Axis] Chief Operating Officer [Member] Benefit Payble Number of Shares under Plan Benefit Payble Maximum Benefit Current Employees [Member]