Deferred Revenue - Additional Information (Detail)			6 Months Ended
	Mar. 30, 2016 USD ($) a	Sep. 22, 2015 USD ($)	Jun. 30, 2016 USD ($) ft² a	Mar. 31, 2016 a	Feb. 18, 2016 a	Dec. 31, 2015 a	Jun. 30, 2015 a
Deferred Revenue Arrangement [Line Items]
Received rent payment		$ 1,200,000
Term of oil exploration lease		8 years
Lease period where payment recognized		12 months
Lease expiration year		2016-09
Area of a real estate property			1,500,000		0.37	148.35
Revenue from land sold	$ 2,000,000		$ 2,200,000
Land [Member]
Deferred Revenue Arrangement [Line Items]
Area of a real estate property | a	4.40		7.46				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			$ 3,900,000
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