Note 4 - Real Estate Under Development - Costs Incurred for Real Estate Development (Details) - USD ($) $ in Thousands		Sep. 30, 2018	Dec. 31, 2017
Property Under Development	[1]	$ 540,188	$ 402,518
Grand Parkway Marketplace II [Member]
Property Under Development	[2]		43,403
Dania Pointe [Member]
Property Under Development	[3]	253,923	152,841
Mill Station [Member]
Property Under Development		49,570	34,347
Lincoln Square [Member]
Property Under Development		154,663	90,479
Avenues Walk [Member]
Property Under Development	[4]	48,573	48,573
Promenade at Christiana [Member]
Property Under Development	[4]	$ 33,459	$ 32,875

[1] Includes capitalized costs of interest, real estate taxes, insurance, legal costs and payroll of $36.9 million and $27.7 million, as of September 30, 2018 and December 31, 2017, respectively.

[2] As of September 30, 2018, this development project, aggregating $47.4 million (including capitalized costs of $5.2 million), was placed in service and reclassified into Operating real estate, net on the Company's Condensed Consolidated Balance Sheets.

[3] These costs include expenditures for phase I and phase II offsite and infrastructure requirements. During the nine months ended September 30, 2018, the Company acquired a parcel adjacent to this development project for a purchase price of $4.6 million.

[4] Mixed-use project to be developed in the future.