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Area of a real estate property.

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Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.

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The aggregate costs related to construction and development services during the reporting period.

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The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

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Carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants.

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Commitments and Contingencies (Contractual Commitments - Expenditures) - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2016 USD ($) ft² a	Feb. 18, 2016 a	Dec. 31, 2015 USD ($) a	Apr. 22, 2014 USD ($)	Dec. 31, 2013 USD ($)
Loss Contingencies [Line Items]
Area of real estate property	1,700,000	0.37	160
Cash deposited related to improvements	$ 219,000				$ 4,000
Reserve for Tenant Improvements	$ 760,060		$ 812,493
Lease commitments
Lowes [Member]
Loss Contingencies [Line Items]
Reserve for Tenant Improvements				$ 651,000
Tenant improvements	$ 100,000
Unfunded [Member]
Loss Contingencies [Line Items]
Tenant improvements	$ 551,000
Construction and Other Commitment [Member]
Loss Contingencies [Line Items]
Reimbursement period of land improvement cost	5 years
Cash deposited related to improvements	$ 286,000				$ 283,500
Construction and Other Commitment [Member] \| Williamson Crossing Remaining Site [Member]
Loss Contingencies [Line Items]
Area of real estate property \| a	19.6
Construction and Other Commitment [Member] \| RaceTrac Petroleum, Inc. ("RaceTrac") [Member]
Loss Contingencies [Line Items]
Area of real estate property \| a	3.4
Estimated cost for improvements	$ 1,260,000
Percentage of cost paid	77.50%
Actual cost paid for the next five years	$ 976,500
Construction and Other Commitment [Member] \| Williamson Crossing [Member]
Loss Contingencies [Line Items]
Area of real estate property \| a	23
Construction and Other Commitment [Member] \| Tomoka Town Center [Member]
Loss Contingencies [Line Items]
Area of real estate property \| a	98.69
Remaining commitment	$ 2,700,000
Lease commitments	7,800,000
Construction costs incurred	5,100,000
Construction and Other Commitment [Member] \| Sam’s Club [Member]
Loss Contingencies [Line Items]
Area of real estate property \| a			18.10
Cash deposited related to improvements	125,000		$ 125,000
Remaining commitment	125,000
Construction and Other Commitment [Member] \| Integra Land Company [Member]
Loss Contingencies [Line Items]
Area of real estate property \| a			14.98
Actual cost paid for the next five years			$ 276,000
Cash deposited related to improvements			370,000
Remaining commitment	340,000
Reimbursement of Capital Expenditure Commitments			$ 94,000
Escrow Deposit Disbursements	30,000
Maximum [Member] \| Construction and Other Commitment [Member]
Loss Contingencies [Line Items]
Remaining commitment	$ 691,000