Deferred Revenue - Additional Information (Detail) ft² in Millions		9 Months Ended
	Sep. 20, 2016 USD ($)	Sep. 30, 2016 USD ($) a	Sep. 30, 2016 ft²	Mar. 31, 2016 a	Dec. 31, 2015 a	Jun. 30, 2015 a
Deferred Revenue Arrangement [Line Items]
Received rent payment | $	$ 807,000
Term of oil exploration lease	8 years
Lease period where payment recognized	12 months
Lease expiration year	2017-09
Area of a real estate property		1,581	1.5		148.35
Land [Member]
Deferred Revenue Arrangement [Line Items]
Area of a real estate property | a						3.9
Tomoka Town Center [Member]
Deferred Revenue Arrangement [Line Items]
Area of a real estate property | a		98.69
Deferred revenue recognized from sale of land | $		$ 918,000,000,000
Revenue from land sold | $		$ 21,368,335
Estimated Completion Date		2016-10
Tomoka Town Center [Member] | Land [Member]
Deferred Revenue Arrangement [Line Items]
Area of a real estate property | a				98.69	98.69