Statement of Financial Position [Abstract] Land Building and improvements Machinery and equipment Real Estate Gross Before Land Held For Development Less Accumulated Depreciation Less accumulated depreciation Real Estate Net Before Land Held For Development Land Land development costs Land Available For Development Total Real Estate, net Total real estate, net Cash and Cash Equivalents Cash and cash equivalents at beginning of year Cash and cash equivalents at end of year Cash and cash equivalents Investment in Marketable Securities Marketable Securities Investment in Marketable Securities Investment in marketable securities Rent Receivable, net of allowance for doubtful accounts of $89,000 and $74,000 respectively Rent receivable, net of allowance for doubtful accounts of approximately $89,000/$74,000 Receivables, Net, Current Allowance for doubtful accounts Beginning balance Ending Balance Allowance for doubtful accounts (in Dollars) Deferred Rent Receivable Deferred rent receivable Deferred Rent Receivables, Net Prepaid Expenses and Other Assets Prepaid expenses and other assets Prepaid Expense and Other Assets Prepaid Pension Costs Prepaid pension costs Total Assets(a) Total Assets Variable Interest Entities [Axis] Variable Interest Entity, Primary Beneficiary [Member] Long-term Debt, Type [Axis] Mortgages [Member] Accounts payable Accounts Payable Accrued liabilities Total Deferred rent liability Deferred Rent Credit Tenant security deposits payable Security Deposit Liability Income tax payable Income taxes payable Accrued Income Taxes Deferred income taxes Pension Costs Notes payable Total Liabilities(a) 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, $1/$1 par value; authorized 4,000,000 shares; 1,723,888 shares issued; 1,482,680 shares outstanding Common Stock, Value, Issued Common stock, par value (in Dollars per share) Common stock, shares authorized (in Shares) Common stock, authorized Common stock, shares issued (in Shares) Common stock, shares issued Common stock, shares outstanding (in Shares) Common stock, shares outstanding Common Stock, Shares, Outstanding (in Shares) Additional paid-in capital Accumulated other comprehensive income Balance Balance Deficit retained earnings Deficit Stockholders Equity Before Treasury Stock Less Cost of 241,208 Shares of Common Stock Held in Treasury Less cost of shares of common stock held in treasury; 241,208 Less common stock held in treasury, shares (in Shares) Common stock held in treasury Total Gyrodyne Stockholders' Equity Total Gyrodyne Stockholders’ Equity Non-controlling interest in GSD, LLC Total Equity Balance, January 1, 2013 Ending Balance Total equity Total Liabilities and Equity Total Liabilities and Equity Income Statement [Abstract] Rental income Rental Income Rental income - tenant reimbursements Tenant reimbursements Total Rental income Total Total revenue Rental expenses Rental Property Expense General and administrative expenses Strategic alternative expenses Impairment charges Impairment charge Asset Impairment Charges Depreciation Insurance claim recoveries in excess of costs Insurance claim recoveries in excess of cost Total Total Interest income Interest expense Total Total Net Loss Before Benefit for Income Taxes Net loss before benefit from income taxes Benefit for Income Taxes Income tax benefit Income tax benefit Net (loss) income Net Income (Loss) Net (Loss) Income Net Loss from Non-Controlling Interest in GSD, LLC Net income Attributable to Gyrodyne Net Income Attributable to Gyrodyne Net income attributable to Gyrodyne Net income (loss) attributable to Gyrodyne Basic and diluted (in Dollars per share) Net 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] Unrecognized actuarial pension (loss) gain Actuarial loss (gain) Defined Benefit Plan, Actuarial Gain (Loss) Unrealized gain (loss) on investments Other Comprehensive (Loss) Income Attributable to Gyrodyne Other comprehensive income (loss) Comprehensive (Loss) Income Attributable to Gyrodyne Comprehensive Loss Attributable to Non-Controlling Interest in GSD, LLC Comprehensive (Loss) Income Statement of Stockholders' Equity [Abstract] Balance, January 1, 2013 (in Shares) Ending Balance (in Shares) Special Dividend Dividends Dividends [Axis] Special Dividend 2nd [Member] Equity Components [Axis] Common Stock [Member] Additional Paid-in Capital [Member] Accumulated Other Comprehensive Income (Loss) [Member] Balance of Undistributable Income (Deficit) [Member] Treasury Stock [Member] Noncontrolling Interest [Member] Statement of Cash Flows [Abstract] Depreciation and amortization Bad debt expense Provision for Doubtful Accounts Net periodic pension benefit cost Pension and Other Postretirement Benefit Expense Deferred income taxes Noncash interest expense Rent receivable Deferred rent receivable Prepaid expenses and other assets Accounts payable Accrued liabilities Income taxes payable and deferred taxes 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 on investment in marketable securities Net cash used in investing activities Principal payments on mortgage loans payable Cash distributions paid Net cash used in financing activities Net decrease in cash and cash equivalents Interest paid Income and excise taxes paid Other Significant Noncash Transaction [Axis] Dividend Note Issued [Member] Notes Issued Dividend Note Payable Dividends Payable Payment in Kind (PIK) Note [Member] Distribution in ownership interests in GSD, LLC Disclosure Text Block [Abstract] Accounting Policies [Abstract] Depreciation, Depletion and Amortization [Abstract] Property, Plant and Equipment, Type [Axis] Building and Building Improvements [Member] Property, Plant and Equipment Useful Life Machinery and Equipment [Member] Range [Axis] Minimum [Member] Maximum [Member] Management Service Arrangements [Abstract] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Consolidated Balance Sheet [Abstract] 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] Earnings Per Share [Abstract] Summary of Net Income (Loss) Earnings Per Share [Abstract] Investments, Debt and Equity Securities [Abstract] Historical Cost and Estimated Fair Value of Available for Sale Securities [Abstract] Amortized Cost Gross Unrealized Gains (Losses) Fair Value* Investment in Marketable Securities Equity Method Investments and Joint Ventures [Abstract] Other Liabilities and Financial Instruments Subject to Mandatory Redemption [Abstract] Summary of Accrued Liabilities [Abstract] Payroll and related taxes Professional fees Directors fees under the ICP Other Income Tax Disclosure [Abstract] Tax Provision for Income Taxes [Abstract]