Related Party Transactions - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2016 USD ($) Option	Dec. 31, 2015 USD ($)	Sep. 29, 2016 USD ($)
Related Party Transaction [Line Items]
Notes Receivable, Related Parties	$ 12,000,000
Development Fee, Percent Fee	5.00%
Related party receivables	$ 1,456,131	$ 482,320
Partial Funding of Sea Turtle Development Note [Member]
Related Party Transaction [Line Items]
Notes Receivable, Related Parties		$ 1,600,000	$ 11,000,000
Consideration for Sale of Land Promissory Note [Member]
Related Party Transaction [Line Items]
Notes Receivable, Related Parties			$ 1,000,000
Development Fees [Member]
Related Party Transaction [Line Items]
Related party receivables	$ 166,000
Wheeler Interests [Member]
Related Party Transaction [Line Items]
Property provided under the lease	10 years
Lease expiration date		2017-11
Number of renewal options available | Option	4
Lease renewal period	5 years
Rent payment	$ 24,000
Pineland Shopping Center [Member]
Related Party Transaction [Line Items]
Development Fee, Percent Fee	5.00%
Pineland Shopping Center [Member] | Accrued Interest Receivable From Notes [Member]
Related Party Transaction [Line Items]
Related party receivables	$ 657,000