REVENUE (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Minimum rents	$ 55,552		$ 164,356
Minimum rents		$ 53,244		$ 153,156
Tenant recoveries	13,704		40,724
Tenant recoveries		12,806		37,808
Interest income from sales-type leases	1,088	0	1,088	0
Total rental income	70,344		206,168
Total rental income		66,050		190,964
Total revenues	231,172	257,160	1,016,378	599,844
Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenue	117,058	163,568	713,692	350,626
Recognized at a point in time and/or over time
Disaggregation of Revenue [Line Items]
Revenue	43,770	27,542	96,518	58,254
Operating Assets
Disaggregation of Revenue [Line Items]
Total revenues	104,223	87,462	305,395	264,017
Seaport District
Disaggregation of Revenue [Line Items]
Total revenues	23,130	14,601	43,051	22,612
Master Planned Communities
Disaggregation of Revenue [Line Items]
Total revenues	92,287	143,135	216,042	261,665
Strategic Developments
Disaggregation of Revenue [Line Items]
Total revenues	11,515	11,962	451,873	51,550
Corporate revenues
Disaggregation of Revenue [Line Items]
Total revenues	17	0	17	0
Condominium rights and unit sales
Disaggregation of Revenue [Line Items]
Revenue	9,999	8,045	443,931	39,767
Condominium rights and unit sales | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenue	9,999	8,045	443,931	39,767
Master Planned Communities land sales
Disaggregation of Revenue [Line Items]
Revenue	77,368	127,730	177,001	226,727
Master Planned Communities land sales | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenue	77,368	127,730	177,001	226,727
Hospitality revenues
Disaggregation of Revenue [Line Items]
Revenue	20,031	19,108	68,536	64,738
Hospitality revenues | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenue	20,031	19,108	68,536	64,738
Builder price participation
Disaggregation of Revenue [Line Items]
Revenue	9,660	8,685	24,224	19,394
Builder price participation | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenue	9,660	8,685	24,224	19,394
Other land revenues
Disaggregation of Revenue [Line Items]
Revenue	5,954	7,145	16,646	15,988
Other land revenues | Recognized at a point in time and/or over time
Disaggregation of Revenue [Line Items]
Revenue	5,954	7,145	16,646	15,988
Other rental and property revenues
Disaggregation of Revenue [Line Items]
Revenue	37,816	20,397	79,872	42,266
Other rental and property revenues | Recognized at a point in time and/or over time
Disaggregation of Revenue [Line Items]
Revenue	$ 37,816	$ 20,397	$ 79,872	$ 42,266