Loans Payable - Summary of Loans Payable (Detail) (USD $)			12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended			12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Convertible Senior Notes [Member]	Dec. 31, 2012 Convertible Senior Notes [Member]	Dec. 31, 2013 Non Convertible Senior Notes [Member]	Dec. 31, 2012 Non Convertible Senior Notes [Member]	Dec. 31, 2013 Bixby Commons [Member]	Dec. 31, 2012 Bixby Commons [Member]	Dec. 31, 2013 Monarch Bank Line Of Credit [Member]	Dec. 31, 2012 Monarch Bank Line Of Credit [Member]	Dec. 31, 2013 Jenks Reasors [Member]	Dec. 31, 2012 Jenks Reasors [Member]	Dec. 31, 2013 Winslow Plaza [Member]	Dec. 31, 2012 Winslow Plaza [Member]	Dec. 31, 2013 South Carolina Food Lions Note [Member]	Dec. 31, 2012 South Carolina Food Lions Note [Member]	Apr. 19, 2013 Shoppes at TJ Maxx [Member]	Dec. 31, 2013 Shoppes at TJ Maxx [Member] Maturity on April 2013 [Member]	Dec. 31, 2012 Shoppes at TJ Maxx [Member] Maturity on April 2013 [Member]	Dec. 31, 2013 Shoppes at TJ Maxx [Member] Maturity on May 2020 [Member]	Dec. 31, 2012 Shoppes at TJ Maxx [Member] Maturity on May 2020 [Member]	Dec. 31, 2013 Shoppes at Eagle Harbor [Member] Interest at Fixed Rate of 4.34% [Member]	Dec. 31, 2012 Shoppes at Eagle Harbor [Member] Interest at Fixed Rate of 4.34% [Member]	Dec. 31, 2013 Shoppes at Eagle Harbor [Member] Interest at Fixed Rate of 6.20% [Member]	Dec. 31, 2012 Shoppes at Eagle Harbor [Member] Interest at Fixed Rate of 6.20% [Member]	Dec. 31, 2013 Lumber River Plaza [Member]	Dec. 31, 2012 Lumber River Plaza [Member]	Dec. 31, 2013 Monarch Bank Building [Member]	Dec. 31, 2012 Monarch Bank Building [Member]	Dec. 31, 2013 Perimeter Square [Member]	Dec. 31, 2012 Perimeter Square [Member]	Dec. 31, 2013 Riversedge North [Member]	Dec. 31, 2012 Riversedge North [Member]	Dec. 31, 2013 Walnut Hill Plaza [Member]	Dec. 31, 2012 Walnut Hill Plaza [Member]	Dec. 31, 2013 Harps at Harbor Point [Member]	Dec. 31, 2012 Harps at Harbor Point [Member]	Dec. 31, 2013 Twin City Commons [Member]	Dec. 31, 2012 Twin City Commons [Member]	Dec. 31, 2013 Forrest Gallery [Member]	Dec. 31, 2012 Forrest Gallery [Member]	Dec. 31, 2013 Tampa Festival [Member]	Dec. 31, 2012 Tampa Festival [Member]	Dec. 31, 2013 Starbucks/Verizon [Member]	Dec. 31, 2012 Starbucks/Verizon [Member]
Debt Instrument [Line Items]
Mortgage Loans Payable, Monthly Payment																				$ 33,880		$ 24,692		$ 30,863		$ 18,414		$ 9,473		$ 28,089		$ 13,556		$ 25,269		$ 18,122		$ 17,827		$ 50,973		$ 50,797		$ 7,405
Mortgage Loans Payable, Monthly Payment			Interest only		Interest only		Interest only		Interest only		Interest only		Interest only		Interest only			Interest only
Mortgage Loans Payable, Interest Rate			9.00%		9.00%		2.77%		4.50%		4.25%		5.22%		5.25%		3.88%	6.00%		3.88%		4.34%		6.20%		5.65%		4.15%		6.38%		6.00%		6.75%		3.99%		4.86%		5.40%		5.56%		6.50%
Mortgage Loans Payable, Maturity Period			2018-12		2015-12		2018-06		2014-05		2016-09		2015-12		2024-01			2013-04		2020-05		2018-03		2013-02		2015-05		2017-12		2016-06		2019-01		2014-04		2015-12		2023-01		2023-09		2023-09		2023-04
Mortgages and other indebtedness	$ 94,562,503	$ 31,843,503	$ 6,000,000		$ 4,000,000		$ 6,700,000		$ 2,000,000		$ 8,550,000		$ 5,000,000		$ 12,375,000				$ 6,400,000	$ 6,409,077		$ 3,905,321			$ 3,904,664	$ 2,973,987	$ 3,050,117	$ 1,483,230	$ 1,533,346	$ 4,417,812	$ 4,537,456	$ 2,061,790	$ 2,098,138	$ 3,464,465	$ 3,528,232	$ 3,335,628	$ 3,416,550	$ 3,330,108	$ 3,375,000	$ 9,075,000		$ 8,859,888		$ 621,197