REVENUES (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Minimum rents	$ 70,987	$ 54,086
Tenant recoveries	20,875	13,508
Interest income from sales-type leases	882	0
Total rental income	92,744	67,594
Total revenues	175,175	353,890
Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	47,534	244,817
Total revenues	175,175	353,890
Recognized at a point in time and/or over time
Disaggregation of Revenue [Line Items]
Revenues	34,897	41,479
Operating Assets revenues
Disaggregation of Revenue [Line Items]
Total revenues	114,257	91,953
Master Planned Communities revenues
Disaggregation of Revenue [Line Items]
Total revenues	50,446	50,896
Seaport District revenues
Disaggregation of Revenue [Line Items]
Total revenues	9,694	7,030
Strategic Developments revenues
Disaggregation of Revenue [Line Items]
Total revenues	760	204,011
Corporate revenues
Disaggregation of Revenue [Line Items]
Total revenues	18	0
Condominium rights and unit sales
Disaggregation of Revenue [Line Items]
Revenues	43	198,310
Condominium rights and unit sales | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	43	198,310
Master Planned Communities land sales
Disaggregation of Revenue [Line Items]
Revenues	39,732	41,312
Master Planned Communities land sales | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	39,732	41,312
Builder price participation
Disaggregation of Revenue [Line Items]
Revenues	7,759	5,195
Builder price participation | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	7,759	5,195
Other rental and property revenues | Recognized at a point in time and/or over time
Disaggregation of Revenue [Line Items]
Revenues	$ 34,897	$ 41,479