Revenue from the sale of commercial, industrial, or residential property during the period. This element is more likely than not relevant to an entity for which real estate operations are a principal activity. If real estate operations are not a principal activity, the reporting entity would likely use a gain (loss) on sale of property, plant, or equipment type element.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_SalesOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Commitments and Contingencies - Tomoka Town Center - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2016 USD ($) ft² a	Mar. 31, 2015 USD ($)	Feb. 18, 2016 a	Dec. 31, 2015 a
Loss Contingencies [Line Items]
Area of a real estate property	1,700,000		0.37	160
Revenue from sales of real estate property \| $	$ 9,560,898	$ 859,801
Definitive Sales Contracts [Member]
Loss Contingencies [Line Items]
Area of a real estate property \| a				160
NADG - First Parcel \| Definitive Sales Contracts [Member]
Loss Contingencies [Line Items]
Area of a real estate property \| a	81.55
Revenue from sales of real estate property \| $	$ 20,200,000